Panasonic AG5700 - SVHS User manual

Video Cassette Recorder
Operating Instructions Panasonic SWVUS/ irri
AG-57003
Panasonic

SPECIFICATIONS
ITEM SPECIFICATION | orem |
Power
Television Format
Tape Speed
Tape Format
Recording
Playback Time
FF/REW Time
Video
Source: AC 220 V~240 V, 50~60 Hz
Consumption: Approx. 26 W
CCIR Standard (625 lines, 50 fields)
23.39 mm/s
VHS tape, S- VHS tape
180 min. with NV-E180
Approx. 3 min. with NV-T120
Head: 2 rotary heads, helical scanning system
Luminance: FM azimuth recording
Colour signal: Comverted subcarrier phase shift
recording
Input Level: VIDEO IN (BNC); 1.0 Vp-p
75Q unbalanced
S-VIDEO (4P); Y: 1.0 Vp-p,
75Q, unbalanced
C: 0.3 Vp-p,
75Q unbalanced -
(burst level)
Output level: VIDEO IN (BNC); 1.0 Vp-p
75Q, unbalanced
S-VIDEO (4P); Y: 1.0 Vp-p,
750, unbalanced
C: 0.3 Vp-p,
750. unbalanced
(burst level)
Signal-to-Noise Ratio: 45 dB (B/W, colour)
Horizontal Resolution: VHS; 240 lines (B/W, color)
S-VHS,; 400 lines
(b/w, color)
Audio
Remote
Operating
Condition
Dimensions
SPECIFICATION
Head: Normal Audio/Control; 1 stationary head
Hi-Fi Audio; 2 rotary heads
Erase; 1 full track erase
1 Audio track erase
Track: Hi-Fi; 2 ch Normal; 1 ch
Input Level: AUDIO IN (PHONO); —8 dBv,
47 kD
unbalanced
MIC IN (Mini Jack); —60 dB, 6000
fe
Output Level: AUDIO OUTPUT (PHONO);
—8 dBv, 1 kOQ unbalanced
HEADPHONE (M3), 80
Frequency response: Normal; 80 Hz~10 kHz
Hi-Fi; 20 Hz~20 kHz
Hi-Fi Dynamic Range: 90 dB
Signal-to-Noise Ratio: 45 dB (Normal)
Mini Jack (FRONT), RS:235C (REAR)
Temperature: 41°F~104°F (5°C~40°C)
Humidity: 35%~80%
10-54" (W) x4-o" (H) x 13-io” (D)
270 mm (W)X 120 mm (H) x340 mm (D)
Approx. 12.5 tbs 5.7 kg
Standard S-VIDEO Cable (4P)
Accessory
Optional
Accessory
Remote Controller, AG-A!1
Specifications are subject to change without notice.
Weight and dimensions shown are approximate.
INTRODUCTION
This Service Manual contains all the technical information which allows service personnels to
understand and service the Panasonic S-VHS Video Cassette Recorder model AG-5700. The AG-5700 has
many special Features as described later.

CONTENTS
OPERATING INSTRUCTIONS AND
SERVICE INFORMATIONS
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1-6 Remote Controller & RS-232C Method .............. eee eee eee eee 1-7
1-7 Service Information ........ 0... ccc ccc ccc cere cent eee nee n retest eeeeeneeree 1-18

SAFETY PRECAUTIONS
GENERAL GUIDELINES
1.
When
servicing,
observe
the
origina!
lead
dress.
If
a
short
circuit
is
found,
replace
all
parts
which
have
been
overheated
or
damaged
by
the
short
circuit.
2.
After
servicing,
see
to
it
that
all
the
protective
devices
such
as
insulation
barriers,
insulation
papers
shields
are
properly
installed.
3.
After
servicing,
make
the
following
leakage
current
checks
to
prevent
the
customer
from
being
exposed
to
shock
hazards.
LEAKAGE CURRENT COLD CHECK
1. Unplug the AC cord and connect a jumper between the
two prongs on the plug.
2. Measure the resistance value, with an ohm meter, be-
tween the jumpered AC plug and each exposed metallic
cabinet part on the equipment such as screwheads con-
nectors, control shafts,etc. When the exposed metallic
part has a return path to the chassis, the reading should
be between 1M ohm and 5.2 M ohm.
When the exposed meta! does not have a return path to
the chassis, the reading must be ©o.
LEAKAGE CURRENT HOT CHECK
ee Figure 1)
1. Plug the AC cord directly Into the AC outlet. Do not use
an \solation transformer for this check.
2. Connect a 1.5k ohm, 10 watts resistor, in parallel with a
0.15uF capacitor, between each exposed metallic part
on the set and a good earth ground such as a water pipe,
as shown in Figure 1.
3. Use an AC voltmeter, with 1000 ohms/voit or more sen-
Sitivity, to measure the potential across the resistor.
4. Check each exposed metallic part, and measure the
voltage at each point.
5. Reverse the AC plug in the AC outlet repeat each of the
above measurements.
6. The potential at any point should not exceed 0.75 volts
RMS. A leakage current tester (Simpson Model 229
equivalent) may be used to make the hot checks, leak-
age Current must not exceed 1/2 milliamp. In case a
measurement is outside of the limits specified, there is a
possibility of a shock hazard, and the equipment should
be
repaired
and
rechecked
before
it
is
returned
to
the
customer.
AC VOLTMETER
Hot-Check Circuit
TO
APPLIANCES { COLD
EXPOSED WATER PIPE
METAL PARTS 15002 10W
Figure 1
(EARTH GROUND)
ELECTROSTATICALLY
SENSITIVE (ES) DEVICES
Some semiconductor (solid state) devices can be dam-
aged
easily
by
static
electricity.
Such
components
com-
monly are called Electrostatically Sensitive (ES) Devices.
Examples of typical ES devices are integrated circuits and
some field-effect transistors and semiconductor chip
components. The following techniques should be used to
help reduce the incidence of component damage caused
by static electricity.
1.
Immediately before handling any semiconductor com-
ponent or semiconductor-equipped assembly, drain off
any electrostatic charge on your body by touching a
known earth ground.
Alternatively, obtain and wear a commercialy available
discharging wrist strap device, which should be re-
moved for potential shock reasons prior tio applying
power to the unit under test.
. After ramoving an electrical assembly equipped with ES
devices, place the assembly on a conductive surface
such as aluminum foil, to prevent electrostatic charge
buildup or exposure of the assembly.
. Use only a grounded-tip soldering iron to solder or un-
solder ES devices.
. Use only an anti-static solder removal device classified
as anti-static can generate electrical charges sufficient
to damage ES devices.
. Do not use freon-propelled chemicals. These can gener-
ate electrical charges sufficient to damage ES devices.
. Do not remove a replacement ES device from .its protec-
tive package untilimmediately before you aie ready to
install it. (Most replacementES devices are packaged
with leads eletcrically shorted together by conductive
foam, aluminum foil or comparable conductive mate-
rial).
. Immediately before removing the protective material
from the leads of replacement ES device, touch the
protective material to the chassis or circuit assembly into
which the device will be installed.
CAUTION : Be sure no power is applied to the chassis or
circuit, and observe all otner asfety precautons.
. Minimize bodily motions when handling unpackaged
replacement ES devices. (Otherwise harmbss motion
such as the brushing together of your cloths fabric or
the
lifting
of
your
foot
from
a
carpeted
floor
cam
generate
Static electricity sufficient to damage an ES clevice).

OPERATING
INSTRUCTIONS
SERVICE
INFORMATIONS
CONTENTS
OPERATING INSTRUCTIONS
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1-5 VISS (VHS INDEX SEARCH SYSTEM) ....................200 020 0e 1-6
1-6 REMOTE CONTROLLER & RS-232C METHOD .................0.. 1-7
1-7 SERVICE INFORMATIONS ............ 0.000. 1-18

OPERATING INSTRUCTIONS
1-1 Features
Recording and playback up to 3 hours
Using a 1/2" inch VHS or S-VHS cassette tape, you can
record or playback in 3-hour mode.
Recording and playback in the S-VHS mode
With this unit, it is available to playback and record
S-VHS cassette tape.
Illuminated buttons
The REC, PLAY and STOP buttons will light up when
pressed.
Hi-Fi audio
Compact and light weight
Remote controlling by a computer
Connecting this unit to a computer via an RS-232C
cable will allow remote control from the computer.
Sensor recording
This unit is equipped with the “SENSOR REC” function.
When a video signal transmitted from a satellite is input-
ted, the unit will turn ON automatically and set to the
recording mode.
Speedy Mechanism
The following operations start instantly after the cor-
responding buttons are pressed.
e Playback operation
e FF/REW operations
e Switching from search forward playback to search
reverse playback, and vice versa.
Repeat playback
Repeat playback can be performed from tape beginning
to its end or from tape beginning to interruption of the
video signal.
Search playback
Locating any desired scene or position on the tape is
made easy and fast by watching the tape being played
back at about 7 times normal speed in forward or
reverse direction.
High speed VISS (VHS Index Search System)
Automatic Search
During playback, if a VISS signal has been recorded at
the beginning of an event, the scene can be searched
and then played back automatically.
Ciear picture in still and slow-motion modes
Audio dubbing
Audio dubbing can be performed onto the normal audio
of the prerecorded tape.
Video Insert
Video insert (including FM audio insert) is available by
the contro! signals from the RS-232C remote control
connector.
Cassette tape insertion/ejection in power OFF
mode
Cassette tape insertion and ejection can be performed
even when the power has been turned OFF.
Auto power ON
Power is turned ON automatically when the cassette
tape is inserted in the unit.
Remote operation
Using an optional remote controller AG-A11, you can
operate the unit about 5 meters away from the unit.

Controls
Front
Memory/Search Button
12 13 14 15
VTR Switch
Eject Button
*! Standby Lamp lights up when VTR Switch is OFF.
Reset Button 9 Audio Monitor Output Selector
Hi-Fi Audio CH1/CH2 Level Controls 10 | Counter/Audio Level Meters
Cassette Holder W Tracking Buttons
Operation Buttons 12 Remote Jack (Mini-Jack)
5 STOP, PLAY, REC, REW, FF, PAUSE, :
STILUSLOW, AUDIO DUB 13 | Microphone Jack
Standby Lamp*' 14 Headphone Jack (Mini-Jack)
Headphone Levei Controi
Rear
161718 192021
Auto Repeat Switch
Audio. U/CH1 OUT Connector (PHONO)
Sensor Recording Switch
25 Audio R/CH2 OUT Connector (PHONO)
Mode Lock Switch
VIDEO IN Connector (BNC)
VIDEO OUT Connector (BNC)
26 S-VHS Selector
27 Video Selector
28 RS-232C Remote Control Connector
S-VIDEO IN Connector
Audio L/CH1 IN Connector (PHONO)
Audio R/CH2 IN Connector (PHONO)
S-VIDEO OUT Connector
Power Cord
S|OIJUOD ?-1

Recording
Vedeo Careane Recoraer ac MAMET
Audio Monitoring
When using head-
Phones, you can
adjust the volume
using this control.
aes
To reduce the
audio level, move
the control to the
left, and vice versa.
stanoer
a
Video signal
Audio signals
Audio Signals are
recorded as described
Hi-Fi Normal
on the table.
<7 *t: Audio L/CH1 is
UCHT x UcHi recorded on both
RICH2 RICH2" RICH2 UCH1 and R/CH2
UCH1 Stereo Mixed Audio | °2: Audio R/CH2 is
«Use headphones.
(mini plug)
elt you use high
tmpedance head-
phones, the audio
level may change
Microphone
{audio recorded as Hi-Fi
audio and normal audio)
Note:
\f connections are made both to
aoa nemeneremeeeeneee ee ree
&
(UCHI
&
{UCH1
&
recorded
on
both
the
MIC
and
audio
jacks,
the
RICH2
R/CH2)
RiCH2)
UCHI
ana
R/CH2
microphone
takes
precedence.
Preparations
Operation
eLoad the pre-recorded cassette tape. (Check that the
tab on the cassette to prevent accidental erasure is
still intact.) The STOP Button and the cassette IN
indicator “ "(in the counter) will light up:
Set the S-VHS Selector and the Video Selector on the
rear panel to the desired position.
Audio Level Adjustment (Hi-Fi sound only)
The audio level can be adjusted only for Hi-Fi audio.
Adjust the Hi-Fi Audio Level Controls sa that the audio
fevel meter indication is set to around 2 (so that the 2
level is not exceeded).
L/CH1~Hi-Fi—R/CH2
Hi-Fi Audio HI-HiEIR/
TRACKING
a vr
ee
Recording starts when the REC and PLAY Buttons are
pressed together.
°A cassette tape without its accidental erasure preven-
tion tab will be ejected. Use a tape with its tab intact.
When the PAUSE Button is used, the sequence of
operation is as follows.
@ Play back the tape and find the location which is to
be recorded. Then press the PAUSE Button. The
PAUSE indicator will appear on the tape counter and
VTR is set to the playback pause mode.
Press the REC and PLAY Buttons together. The
REC Lamp now comes on and the VTR is set to
the recording pause mode.
© When the PAUSE Button is pressed again, the VTR
is released from the pause mode and recording
begins.
Stopping Recording
Press the STOP Button.
Playback
a
a
Preparations
ePress the VTR Switch to ON
*Be sure that the Mode Lock Switch is OFF.
Be sure that the Auto Repeat Switch is OFF.
elnsert a recorded tape.
The STOP Button and the cassette IN indicator « &“
{in the counter) will light up.
eTurn TV ON.
Audio Monitor Output Selector
Set the Audio Monitor Output Selector to the desired
position.
When this unit is turned ON, the Hi-Fi mode is automat-
ically selected. Each time you press the Audio Monitor
Output Selector, the audio output mode will change as
follows:
Hi-Fi + L CH -» R CH — No indication(Linear)
Hi-Fi Audio
“anon RESET
a
Mode Lock Switch
This
switch
makes
it
impossible
to
operate
the
switches
on
the
front
panel.
When
it
is
set
to
ON,
all
the
switches
on
the
front
panel
do
not
function.
However,
operation
is
available
using
the
wired
remote
controller
or
the
RS-232C
remote
contro!
signal
even
if
the
Mode
Lock
Switch
is
set
to
ON.
This unit cannot be recorded or played back In LP mode.
Therefore, be sure not to playback tapes recorded in LP
mode.
Normal Playback
Press the Play Button. Play Lamp lights and playback
will start.
As this unit is equipped with the digital automatic track-
ing function, normally adjustment is unnecessary. If noise
partially appears in the ptayback picture as shown below,
press the Tracking “+” and "—" Buttons simultaneously
to reduce the noise.
= +
ma oO
TRACKING
Precautions
If you leave this unit near a monitor television, inter-
ference from the monitor tetevision may cause noise to
get into the audio circuit. Be sure, therefore, to keep the
unit a suitable distance (at least 20 cm) away from a
monitor television.
eee
Double-speed Playback
—
Press the PLAY Button during normal playback. The
playback picture can be viewed at about twice normal
playback speed. To return to normal playback, press the
PLAY Button.
ee
Stow Motion Playback
———
Press the SLOW Button during playback. The playback
picture can be viewed at a lower speed. Each time you
press the STILL/SLOW button, the unit will run at one
of the slow motion speeds shown below. To return ‘to
normal playback, press the PLAY Button.
Normal Speed— Still 1/30-—+ 1/20~+ 1/10—+ 1/7» 1/5
t
elf slow motion playback continues for over 5 minutes,
the unit will go into the stop mode automatically.
*No sound is heard during slow motion playback.
yoeqAe|g pue Hulpiooey ¢-}

i
———S—
Rewind and Fast Forward the tape
ee eB ne
When the unit is in stop mode:
Press the Rewind (REW) Button to rewind the tape.
Press the Fast Forward (FF) Button to move the tape
forward rapidly.
rr
Search Playback
Pa Dees Pe Sh eee
When the FF Button is held down while the unit is in
the playback, slow motion playback or still, the tape
will be played back in the forward direction at about 7
times normal speed.
When the Rewind Button is held down while the unit
is in the playback, slow motion playback or still, the
tape will be played back in the reverse direction at
about 7 times normal speed.
When the Memory/Search Button is pressed and “S"
display appears in the counter, search forward or
reverse playback can be obtained without keeping the
FF or REW Button depressed.
To release the Search Forward/Reverse manually, see
page 10, section “Search”.
elf this function is maintained for more than 10 minutes,
the unit automatically returns to the previous mode.
No sound is heard during SEARCH mode.
*Colour programme may be played back in Black and
White or playback image may be dark during SEARCH
mode, but this is not a malfunction.
*A skew may occur on the picture during SEARCH
mode, but this is not a malfunction.
eWhen the picture rolls vertically in the SEARCH mode,
adjust the vertical hold contro! on the TV set.
vn LUE EEEEEEET
Still Playback
aa SE me Se
Press the Pause Button during normal playback or
during slow motion playback. Press the Pause Button
once again to resume normal playback.
elf noise appears during still playback, set for slow
motion mode and adjust with the Tracking Buttons
(either “+" or "=") to minimize the bands of noise as
shown below, then press the Pause Button.
wr
a eerie
s mom oO
= TRACKING
elf still playback continues for more than 5 minutes, the
unit will go into the stop mode automatically.
*A distortion may occur on the picture during STILL
mode, but this is not a malfunction.
*No sound is heard during STILL mode.
*Colour programme may be played back in Black and
White or playback image may be dark during STILL
mode, but this is not a malfunction.
After Finishing Playback
Press the Stop Button to stop the playback.
Counter
Memory/Search
Button
When the
Memory/Search
Button is
pressed, display
will be changed.
Memory/Search Button
OFF
(Memory
Stop
Display)
{Search
Display)
* Search Display is indicated only when
the cassette tape is inserted.
|
Memory Stop
When the Memory/Search Button is pressed and the “M"
display lights on the counter, the tape can be stopped
near counter digit “0000” during FF or REW modes.
GayREW FF/GS)
oF
* Press until “M" Press Press
will appear.
5
Auto Stop near
counter digit
“0000"
Counter Reset
If you press the reset button when "S" is not displayed,
the counter indication wil! become “00000”.
Search
When the Memory/Search Button is pressed until the “S"
display lights on the counter display, and the FF or REW
button is pressed during normal playback or still
playback, search forward or reverse playback can be
held for about 10 minutes. Thereafter, the unit will auto-
matically return to the previous mode.
ES:
suse:
EA
Ga/REW
FF/RS
#17
.,
128888
[<<]
be
segout
PP
merreryy
—i
ot
—
Or
Press
until
“S”
Press
Press
will
appear.
REW
or
FF
mode
for
about
10
min.
eTo release the Search Forward/Reverse manually,
proceed as follows:
@ Press the Piay Button. The unit will go into the
following mode.’
Previous Mode Subsequent Mode
Still Playback —7* Still Playback
Normal Playback —{-Normal Playback
@ Press the Memory/Search Button to clear the “S”
display. The unit will go into the previous mode.
© Press the Stop Button. The unit will go into the stop
mode.
4aJUNOD P-L

—
a
——_-—_—
ee
ss
Intro Search
me
Press the Memory/Search Button and display the "S”
indication in the counter display. When a ViISS signal is
found during FF operation, the tape is played back for
about 10 seconds. Each time a VISS signa! is found
during FF operation, this function will repeat. Press the
Piay Button twice when desired scene is found. (if Play
Button is pressed only once, the tape will playback in
double-speed.)
Repeat Playback
Repeat playback between tape beg. and tape end
If it is desired to play back the tape repeatedly from
tape beginning to tape end, proceed as follows:
@ Set the Auto Repeat Switch to the “TAPE END"
position.
@ Press the Play Button.
AUTO:
Tae ENO PLAY x2
Tt ®
WED END Press PLAY
Set the Auto Repeat
Switch to “TAPE ENO”.
Tape
End
Beg.
be—— Repeat Playback ——+4
PLAY
Repeat playback between tape beg. and video end
lf it
is
desired
to
play
back
the
tape
repeatedly
from
tape
beginning
to
interruption
of
the
video
signal,
first
make
sure
that
video
recording
on
the
tape
is
interrupted
for
at
least
3
seconds
(see
diagram).
@ Set the Auto Repeat Switch to the “VIDEO END"
position.
@ Press the Play Button.
AUTO.
REPEAT
af NO
oT ®
‘VIDEO END
Set the Auto Repeat
Switch to “VIDEO
END”.
PLAY x2
Press PLAY
Tape Video
Beg. END
Repeat Playback ———_.~——
>»
Control signal
PLAY interruption (at least 3 sec.)
REW *If the Control signal interrup-
tion time is shorter than
above times, PLAY mode can
be continued.
Notes:
elf
short
repeat
playback
is
continued
many
times,
the
fepeated section of tape may be damaged.
*NV-E240
type
cassettes
are
not
recommended
for
Repeat
Playback
use.
VISS
(VHS
Index
Search
System)
VISS
signal
is
recorded
at
the
beginning
of
each
recording.
Every
time
the
recording
starts,
VISS
signal
is
recorded
automatically
at
the
beginning
{including
external
timer
recording).
Moreover,
VISS
signal
can
be
recorded
manually
by
pressing
the
Record
and
Play
Buttons
simultaneously
during
recording.
When
the
VISS
signal
is
recorded
at
the
beginning
of each
recording,
it
is
available
to select
a
desired
scene
easily.
@ Press the FF or REW Button.
eThe index number will increase one by one each
time a VISS signal is found.
«Playback starts automatically when the number be-
comes to zero.
eThe fast forward or rewinding speed is a little
slower comparing to the normal FF/REW speed.
@ Press the Memory/Search Button and light the "S"
indication.
Hi-Fi Audio
Ga/REW FF ee
Press
the
Reset
Button
to
set
to
VISS
mode.
Each
[<<]
(p>
]
time the button is pressed, index number 01 to 20
can be selected.
Hi-Fi Audio
Sensor Recording
(wayskg youeas xepul SHA) SSIA S-L
Sensor Recording System
@® When the unit receives a video signal, the power is
automatically turned ON and the recording starts.
The recording stops at the tape end or when there
is no more video input signal, and the unit is turned
OFF again.
Operate the unit by following the procedure below to
record the video signal transmitted from a satellite.
@ Set the Sensor Recording Switch to “ON”.
SENSOR
REC
ON
Bt
OFF
The indication “SENSOR” will appear in the counter
and the unit is set to the recording stand-by mode
after the unit is automatically turned OFF.
Mewony Hi-Fi Audio
Ss
AUDIO OUT}
T
Note:
The indication “SENSOR” will flash when no tape
is inserted or tape with broken removable tab is
inserted.

(4) Command list
recs
1) BASIC OPERATION COMMAND (KEY COMMAND) OAF This is the field advance (forward direction)
(ADVANCE | command. !t advances the tape one frame at a time TXJOAFIETX)
&
KEY
COMMAND
FIELD)
when
the
VTR
is
in
the
PLAY
PAUSE
or
SLOW
[STXJOAF[ETX]
[STXJOAF[ETX]
Send | : PAUSE mode. 4 ]
L command ne ‘of operation ‘ OAR This is the field advance (reverse direction)
= ‘ : a catiae the * (ADVANCE | command. It moves the tape in the reverse direction T
ae eee ue NTs ane e Tw eniee se {STXJOSP[ETX) | [STXJOSP[ETX) REVERSE | one frame at a time when the VTR is in the PLAY ISTXJOARIETX] | [STXJOAR[ETX]
{STOR} OF: TOge. L FIELD) PAUSE or SLOW PAUSE mode. |_ ¢
ae The cassette will be ejected. [STX}JOEJ[ETX] [STXJOEJ{ETX] OPR This is the reverse play command. If the VTR is in
{ ) + 4 (REVERSE | the PLAY, PLAY PAUSE, SLOW or SLOW PAUSE (STXJOPR[ETX] {STXJOPR[ETX]
OPL This is the playback command. Playback takes PLAY) mode, it will go into the REVERSE PLAY mode.
(PLAY) age a ee Ace dl Petal litee in the [STXJOPL[ETX] [STXJOPL[ETX] OSL This command is used to perform pre-processing
SLOW PAUSE mod , ’ a (SLOW before controlling the slow speed. Input this
L moge: MODE command once only before sending the OSD or OSU
ORW This is the REW or REVIEW command. SET) command. If this command is input when the VTR is STXJOSLIETXI
(REWIND) | ifthe VTR is in the STOP or FF mode, it will go into in the STOP, PLAY, REW, FF, PLAY PAUSE, ISTXJOSL{ETX] [STXJOSL[ETX]
the REW mode when this command is input. {f the REVERSE PLAY or SLOW mode, the VTR will go
VTR is in the PLAY, PLAY PAUSE, REVERSE into the SLOW PAUSE mode. Subsequently, the
PLAY, SLOW or SLOW PAUSE mode, it will go into [STXJORW[ETX] [STXJORW{ETX] VTR will accept the OSD or OSU command.
the REVIEW mode. However, it is necessary to : =
continuously input this command at intervals of no ierEeD A ees controls the playback speed in the {STXJOSD{ETX] [STXJOSD[ETX}
more than 50 msec in order to sustain the REVIEW DOWN) a
mode.
+7, -5, -2, -1, -1/5, -1/7, ~1/10, -1/20, -1/30, SLOW PAUSE, +1/30, +1/20, +1/10, +1/7, +1/5, +1, +2, +5, +7
OFF This is the FF or CUE command. ff the VTR is in the
(FAST STOP REW mode, the VTR will go into the FF mode OSD command
FORWARD) | when this command is input. If the VTR is in the
PLAY, PLAY PAUSE, REVERSE PLAY, SLOW or
SLOW
PAUSE
mode,
it
will
go
into
the
CUE
mode.
[STXJOFF[ETX]
[STXJOFF[ETX]
However, it is necessary to continuously input this
Each time an OSD command is sent, the speed setting will shift in the direction. Send this
command at intervats of at least 150 msec. If the speed is at the maximum value (—7 times normal
speed), it will not shift any further.
6-1
command at intervals of no more than 50 msec in OSU This command controls the playback speed in the +
OPA This is the pause or pause cancel command. ff the UP)
~7,-5, -2, -1, -1/5, -1/7, -1/10, -1/20, -1/30, SLOW PAUSE, +1/30, +1/20, +1/10, +1/7, +1/5, +1, +2, +5, +7
(PAUSE) VTR is in the PLAY, REVERSE PLAY or SLOW
mode, it will go into the PLAY PAUSE mode. If it is
in the REC mode, it will go into the REC PAUSE
mode. If the VTR is in the SLOW PAUSE mode, it
will go into the PLAY PAUSE mode, however the
operation of the VTR will not change. If the VTR is in
the INSERT, AUDIO VIDEO INSERT or AUDIO DUB
mode, it will go into the PLAY PAUSE mode. If it is ([STXJOPA[ETX] [STXJOPA[ETX}
in the PLAY PAUSE mode, it will go into the PLAY
mode. If it is in the REC PAUSE mode, it will go into
the REC mode. If it is in the INSERT PAUSE mode,
it will go into the INSERT mode. ff it is in the AUDIO
DUB PAUSE mode, it will go into the AUDIO DUB
mode. If it is in the AUDIO VIDEO INSERT PAUSE
mode, it will go into the AUDIO VIDEO INSERT
OSU command
Each time an OSU command is sent, the speed setting will shift in the direction. Send this
command at intervals of at least 150 msec. !f the speed is at the maximum value (+7 times normal
speed), it will not shift any further.
mode. |
ORC This is the recording command. When the VTR is in
(REC) the STOP mode, it will go into the REC mode, and
when it is in the PLAY PAUSE or SLOW PAUSE
mode, it will go into the REC PAUSE mode. [STXJORCIETX] [STXJORC[ETX]
However, if the cassette tab is broken, the VTR will
go into the EJECT mode.

OI-T
V—_—_——ee—eoeOoO——
g INSERT COMMAND
Send
command
EIN
(INSERT)
Description of operation
This is the insert pre-processing command.
If this command is sent when the VTA is the PLAY
PAUSE or SLOW PAUSE mode, the VTR will go into
the INSERT/PAUSE mode. When the VTR is in the
AUDIO DUB PAUSE mode, it will go into the AUDIO
VIDEO INSERT PAUSE mode. Subsequently, when
the OPA command is sent, an INSERT operation will
take place. If the cassette tab is broken, the VTR wilt
go into the EJECT mode when the EIN command is
sent.
Personal computer
send data
Reply data sent
back from VTR
[STXJEIN[ETX] [STXJEIN[ETX}
EAD
(AUDIO
DUB)
This is the pre-processing command for the audio
dubbing. If this command is sent when the VTR is in
the PLAY PAUSE or SLOW PAUSE mode, the VTR
will go into the AUDIO DUB/PAUSE mode.
Subsequently, when the OPA command is sent, the
AUDIO DUB operation will take place. If the cassette
tab is broken, the VTR will go into the EJECT mode
when the EAD command is sent:
EIT:
DATA
DATA
EAT:
This command specifies an insert up to the specified
position. If this command is input when the VTR is in
the PLAY PAUSE, SLOW PAUSE or INSERT
PAUSE mode, a VIDEO insert operation will take
place to the specified counter position. When the
tape reaches the position specified by DATA, the
insert operation will end, and the VTR wilt go into the
PLAY PAUSE mode. This operation can be canceled
by an OSP command.
If the operation mode changes as a result of a key
input from the VTR proper or the remote controller,
the insert operation will be canceled. When a
command other than OSP, QCD, QOP, QOS, RCK,
QRV or QID is sent by an EIT command during an
insert operation, a command error wilt be returned
from the VTA.
—+—_——
{STXJEAD[ETX] {STXJEAD[ETX]
(STX]EIT: OD i
OOOO [€Tx}
Counter data
oa ea OO OO 08
Sign Hours Minutes Seconds Frames
[STXJEIT[ETX}
—: Minus sign
+: Blank
Example:
When an insert operation is performed up
to 1 hour, 12 minutes, 35 seconds and 00
frames
[STXJEIT:__1123500{ETX]
Be sure to insert a blank.
This command specifies an audio dubbing up to the
specified position. If this command is input when the
VTR is in the PLAY PAUSE, SLOW PAUSE or AUDIO
DUB PAUSE mode, an audio dubbing operation will
take place to the specified position. When the tape
teaches the position specified by DATA, the audio
dubbing operation will end, and the VTR will go into the
PLAY PAUSE mode. This operation can be canceled
by an OSP command.
lf the operation mode changes as a result of a key input
from the VTR proper or the remote controller, the audio
dubbing operation will be canceled. When a command
other than OSP, QCD, QOP, QOS, RCK, ORV or QID
is sent by an EAT command during an audio dubbing
operation, a command error will be returned from the
VTR.
[STXJEAT: DOD
DODO (eT x]
Counter data
O O OU) O OO
Sign Hours Minutes Seconds Frames
{STXJEAT[ETX]
-: Minus sign
+: Blank
Example:
When an audio insert operation is
performed up to 1 hour, 12 minutes, 35
seconds and 00 frames
{STXJEAT:__1123500(ETX]
Be sure to insert a blank.
Send Personal computer Reply data sent
3 : nd Description of operation Sn send data back from VTR
EVT: This command specifies an AUDIO & VIDEO {STX]JEVT: (i) [STXJEVTIETX]
DATA INSERT up to the specified position. if it is sent when OD00D (etx)
the VTR is in the AUDIO DUB PAUSE or AUDIO &
VIDEO INSERT PAUSE mode, an AUDIO & VIDEO ~_—| Counter data = =
INSERT operation will take place up to the specified 4 Of oO Oo
position. When the tape reaches the position Sign Hours Minutes Seconds Frames
specified by DATA, the AUDIO & VIDEO INSERT h ; .
operation will end, and the VTR will go into the PLAY |—' Minus sign
PAUSE mode. This operation can be canceled by an + Blank
OSP command.
4 Example:
If the operation mode changes as a result of a key sted rane
input from the VTR proper or the remote controller, pelle Ppnapre anes ae 35
the AUDIO & VIDEO INSERT operation will be echt SAL Ob frames
canceled. When a command other than OSP, QCD, [STXJEVT:_1123500[ETX}
QOP, QOS, RCK, QRV or GID is sent during EVT in JEVT: l
AUDIO & VIDEO INSERT operation, a command ‘
error will be returned from the VTR. Be sure to insert a blank.
Precaution:
¢ Ifthe VTR proper goes into the Memory Stop mode during an insert operation (EIN, EVT, EIT), it will cut off when
the counter reading becomes “0:00.00.00". Be sure, therefore, to cancel the Memory Stop mode in advance. An
insert
operation
will
also
be
interrupted
when
a
VTR
key,
remote
controller
key,
Memory/Search
button
or
Reset
button is operated, so do not operate these keys or buttons during an insert operation.
w SEARCH COMMAND
Send
command
SMC
(SEARCH
MODE
COARSE)
Description. of operation
This command sets the mode in which a search is
performed by the SCP or SCS command to the High
Speed Search mode. The search time can be
reduced by performing a search in the FF or REW
mode, however in this case the search accuracy falls
off. If high search accuracy is required, use the
following SMF command. If this command is sent, the
VTR will be maintained in the COARSE mode until
SMF is sent.
Reply data sent
back from VTR
Personal computer
send data
[STX]SMC[ETX} [STX]SMC[ETX]
SMF
(SEARCH
MODE
FINE)
This command sets the mode in which a search is
performed by the SCP or SCS command to the
Precision Search mode. The shuttle search speed is
controlled according to the distance to the target, and
the search accuracy is +1 frame.
If this command is sent once, the VTR will go into the
FINE mode and remain in that mode until SMC is
sent.
Precaution:
In this mode, a search is performed by CUE or
REVIEW, hence a search cannot be performed for
more than 10 minutes (more than 70 minutes on the
tape). Processing is interrupted mid-way in order to
L Protect the tape.
[STX}SMF[ETX] [STX]SMF[ETX]

Itt
Send
command
Description of operation
L send data
Personal computer
Reply data sent
back from VTR
SCP. This command searches for the position specified by
DATA DATA, then puts the VTR into the PLAY mode at the
end of the search. The search takes place in the
mode specified by the SMC or SMF command. It is
accepted if the VTR is in the STOP, PLAY. REW, FF,
PLAY PAUSE, REVERSE PLAY, SLOW PAUSE or
SLOW mode. The search can be canceled by means
of the OSP or OEJ command. It will also be canceled
if the operation mode changes as a result of a key
input from the VTR proper or the remote controller.
tf a command other than OSP, OEJ, QCD, QOP,
QOS, RCK, QRV or AID is sent during a search
operation, a command error will be returned from the
VTR.
[ SCS:
DATA
DATA
|
[stx}scp: 2
DOOD {etx}
Counter data
[ QO oO 0O
Sign Hours Minutes Seconds Frames
{STXJSCP[ETX]
-: Minus sign
+: Blank
Example:
A search takes place up to -1 hour, 12
minutes, 35 seconds and 00 frames, then
the tape is played back.
{STXJSCP: ~1123500[ETX]
This command searches for the position specified by
DATA, then puts the VTR into the SLOW PAUSE
mode at the end of the search. It is accepted if the
VTR is in the STOP, PLAY, REW, FF, REVEASE
PLAY, SLOW, PLAY PAUSE or SLOW PAUSE
mode. The search takes place in the mode specified
by the SMC or SMF command. It can be canceled by
means of the OSP or OEJ command. It will also be
canceled if the operation mode changes as a result
of a key input from the VTR proper or the remote
controller.
!€ a command other than OSP, OEJ, QCD, QOP,
QOS, RCK, QRV or QID is sent during a search
operation, a command error will be returned from the
VTR.
This command causes playback to take place up to
the specified position, then stop when a PAUSE
command is input. It is accepted when the VTR is in
the STOP, REW, FF, PLAY, REVERSE PLAY,
SLOW, PLAY PAUSE or SLOW PAUSE. Ha
command other than OSP, OEJ, QCD, QOP, QOS,
RCK, QRV or QID is sent by SPT command during a
play operation, a command error will be returned
from the VTR. Playback will be canceled if the
operation mode changes as a result of a key input
from the VTR proper or the remote controller.
{
(STX]SCS[ETX]
Lin
Txjscs: OO
(O00 [ET xX}
Counter data
oO Of f 00
Sign Hours Minutes Seconds Frames
[ Minus sign
+: Blank
Example:
A search takes place up to 1 hour, 12
minutes, 35 seconds and 00 frames, then
the picture freezes.
[STX]SCS:__1123500{ETX]
[STX]SPT[ETX}
(stTxjsPT: DOO
DOOD (ETx)
Counter data
a 00 OO oO
Sign Hours Minutes Seconds Frames
-: Minus sign
+: Blank
@ SHUTTLE COMMAND
OSF:
DATA
(SHUTTLE
FORWARD)
Se
This is the forward direction shuttle command. It
| Personal co pal *
send data
[STXJOSF: CJ [ETX)
{STXJOSFIETX]
enables the playback speed to be varied between
STILL and +7 times normal speed. If this command
is sent when the VTR is in the STOP, REW, FF,
PLAY, REVERSE PLAY, SLOW, PLAY PAUSE or
SLOW PAUSE mode, playback will take place at the
speed specified by DATA. This operation can be
canceled by means of the OSP or OEJ command. ft
can also be canceled by means of a key input from
the VTR proper or the remote controller.
If a command other than OSP, OEJ, OSF, OSR,
QCD, QOP, QOS, RCK, QRV or QID is sent during a
shuttle operation, a command error will be returned
from the VTR.
4
The relationship between the data of 0]
and the playback speed of the VTR is
shown in the table below.
0
Data of L) | Playback speed of VTR
STILL
1
+1/30
41/5
+1
+2
2
3
4
§
+7
OSR:
DATA
(SHUTTLE
REVERSE)
This is the reverse direction shuttle command. It
[STXJOSR: O[ETX] | _[STXIOSR[ETX}
enables the playback speed to be varied between
STILL and -7 times normal speed. If this command
is sent when the VTR is in the STOP, REW, FF,
PLAY, REVERSE PLAY, SLOW, PLAY PAUSE or
SLOW PAUSE mode, playback will take place at the
speed specified by DATA. This operation can be
canceled by the OSP or OEJ command. It can also
be canceled by means of a key input from the VTR
proper or the remote controller.
If a command other than OSP, OEJ, OSF, OSR,
QCD, QOP, QOS, RCK, QRV or QID is sent during a
shuttle operation, a command error will be returned
from the VTR.
@ Power function
This command is used to turn the power ON and
OFF. Normally, the VTR accepts it at any time.
However, it is not accepted while EVT, EAT, EIT,
SPT, SCS, SCP, OSR, OSF or CCL is being
processed. (This is because the VTR cannot accept
commands other than OSP or OEJ while EVT, EAT
EIT, SPT, SCS, SCP, OSR, OSF or CCt is being
processed.) The power ON/OFF operation can be
controlled by a toggle. However, if the VTR is turned
OFF during REW, the tape will be wound to the
beginning then the power will be cut off.
The relationship between the data of
and the playback speed of the VTR is
shown in the table below.
Data of (] | Playback speed of VTR
(STX]POW[ETX]
[STX]POW[ETX]
PON
This command turns the power ON.
[STX]JPON{[ETX]
[STX]PON[ETX]
POF
This command turns the power OFF. The VTR can
accept POF at any time apart from when EVT, EAT,
EIT, SPT, SCS, SCP, OSR, OSF or CCL is being
processed. However, if a command is sent during
REW, the VTR will wind the tape to the beginning
then the power will be cut off.
[STX]POF[ETX]
{[STXJPOF[ETX]

@ Reading various statuses
Personal computer Reply data sent"
Send
Description
of
operation
Personal
computer
Reply
data sent
asin
aa
Be
oh
end
data
-
back
from.
VTR
«|
~|
eommand
P P
send
data
back
from
VTR
Qos
This
command
inquires
of
the
processing
state
of
the
[STX}QOS[ETX]
[sTxJOPsSOIDEB
QOP
This
command
inquires
of
the
operation
mode
of
the
(OPERA-
VTR.
The
VTR
transmits
the
internal
processing
state
BCGOBRM(ETX]
(OPERA-
|
VTR.
The VTR
returns
the
following
code
by
means
{STXIQOP[ETX}
|
[STXIOOOETx)
TION
in the
form
of
a
bit
map,
as
shown
in
the
following
TION
of
the
QOP
code.
STATUS)
table.
The
communications
format
divides
the
data
of
2)
——
DATA
MODE)
TABLE
1
into
the
upper
four
bits
and
the
lower
four
ADRSOH
bits,
enabling
the
data
to
be
returned
in
the
sequence
C)
~——
DATA
Operation
mode
of
VTR
Code
Operation
mode
of
VTR
Code
upper
data
of
ADRS
0,
lower
data
of
ADRS
0,
upper
ADRSOL
1
data
of
ADRS
1,
lower
data
of
ADRS
1,
...,
after
[3
—-—
DATA
POWER
OFF
POF
CUE OSF
[STX]
OPS,
as
indicated
by
the
following
data.
Four
ADRS1H
STOP
osP
REV
OSR
bits
of
this
data
can
be
expressed
in
hexadecimal
C]
——
DATA
see
ao
baie
PAUSE
a
form
(0,
1,
2,
...
E,
F),
converted
into
ASCII
code,
and
ADRS1L
FAST
FORWARD
OFF
PLAY
TO
FRAME
SPT
returned.
]
DATA
be
RECORD
ORC
INSERT
VIDEO
TO
FRAME
EIT
Example:
a
DATA
REC
PAUSE
ORP
INSERT
AUDIO
TO
FRAME
EAT
Bit
map
ADRS2L
AUDIO
DUBBING
EAD
INSERT
AUDIO
&
VIDEO
TO
FRAME
EVT
a
DATA
A-DUB
PAUSE
EAP
COUNTER
CALIBRATE
CCL
fol1]o
i
0
il
1
|
o{1]o
oneal
PLAY
PAUSE
OPP
PLAY
OPL
Nez
<
7
rT
DATA
INSERT
EIN
REVERSE
PLAY
OPR
st
—~Y
ADRES:
INSERT
PAUSE
EIP
x2
PLAY
op2
;
AUDIO
&
VIDEO
INSERT
EV!
|
REVERSE
x2
PLAY
OMe
oe
2
eI
raae
AUDIO
&
VIDEO
INSERT
PAUSE
|
EvP
|
DIRECT
SEARCH
ort
|
|
ei
rere
ort
ADRSAL
ASCII
code
34H
41H
™
Precautions
for
executing
a
QOP
command
*
Any
command
other
tnan
the
SMC,
SMF,
QOP,
QOS,
QCD,
QRV,
QID,
CRT
or
RCK
command
causes
the
mode
of
the
VTR
to
change.
If
QOP
is
executed
immediately
after
a
command
is
sent,
processing
inside
the
VTR
will
not
end
completely,
hence
the
previous
mode
will
be
returned
from
the
VTR.
To
prevent
this,
wait
for
at
least
the
TABLE
1
INTERNAL
PROCESSING
DATA
;
time
necessary
for
the
mode
to
change,
that
is,
about
300
msec.,
before
sending
the
QOP
command.
(inscription
method
1/0)
MW
EVT,
EAT,
EIT,
SPT,
SCS
or
SCP
is
sent,
the
VTR
will
perform
processing
according
to
the
particular
command
that
was
sent.
If
EVT,
EAT,
EIT
or
SPT
was
sent,
the
VTR
will
finally
go
into
the
PLAY
PAUSE
mode
at
the
specified
counter
position.
If
SCS
or
SCP
was
sent,
the
VTR
will
go
into
the
SLOW
PAUSE
mode.
This
process
is shown
in the
figure
below.
[>
HO
Processing
|
Processing
@
Return
data
sent
from
the
VTR
in
response
to
a
QOP
command
interruption
|
continue
Crt
Starting
point
End
point
REC
CASSETTE
VTR
STATUS
sae
a
INHIBIT IN
is
TAB
{
EVT
——.
EIN
—
OPP
0
0
0
0
0
0
|
0
0
EAT
+
EAD
“OPP
|
|
|
|
k
EIT
—
EV!
~
OPP
0
Indetermi-
}
Indetermi-
|
Indetermi-
|
0 0
|
0 0
SPT
——!
OPL
+
OPP
nate
_|
nate
nate
|
SCS
:
OSL
——!
OLP
Processing
SCP
«
OSL
—
OLP
interruption:
Means
that
processing
of
the
EVT, EAT,
EIT,
SPT,
SCS,
SCP,
OSR,
OSF
or
CCL
command
;
:
{continue
command)
is
interrupted
for
some
reason
or
other.
When
processing
is
interrupted,
the
bit
becomes
“1”,
and
is
held
at
“1”.
If
the
above
continue
command
is
sent
once
again,
this
f :
;
flag
will
be
cleared.
fT
=
Pi
i
ti
flag=0
‘
Processing
continue
flag=1
rocessing
continue
fiag:
Processing
continue:
Means
that
processing
of
the
EVT, EAT,
E!T,
SPT,
SCS,
SCP,
OSR,
OSF
or
CCL
command
QOS
commands
are
often
used
to
ask
the
VTR
regarding
the
situation
of
Processing
using
these
commands.
For
Seselind
ipalonaney
Wieierugad
fa
miles
Noaed
|
is
taking
place,
the
bit
is
“1”.
When
this
;
timi
: A F ‘ :
,
the
|
f
iS
reason,
the
timing
between
the
commands
and
processing
continue
flag
is
also
shown
in
the
above
table
REC
INHIBIT
TAB:
If
the
tab
on
the
cassette
is
broken,
the
bit
becomes
“1”.
CASSETTE
IN:
If
the
tape
is inserted,
the
bit
becomes
“1”.
VW:
Means
that
the
VTR
has
switched
over
to
the
playback
screen.
While
the
Playback
screen
appears, the bit is “1”.
VTR STATUS: Refer to the following table on the next page.

TABLE 2 VTR STATUS DATA
Persona! computer Reply data sent
Description of operation
BIT3~BITO
VTR
STATUS
BIT3~BITO
VTR
STATUS
acs
beck
fromViR
=|
sa
—
acD
This
command
inquires
of
the
value
of
the
present
{STXJQCD[ETX}
(sTx}coODRaR
1,1,1,1
INSERT
PAUSE
OR
AV
INSERT
PAUSE
0,1,1,1
POWER
OFF
counter.
The
VTR
can
reply
at
any
time,
CCSOLIICETX)
1,1,1,0 INSERT OR AV INSERT 0,1,1,0 SLOW
1
Example:
C):
SEARCH
MODE
Lehi
0.
AUDIO
DUB
PAUSE
~-
0,
1,01
CUE
Counter
value:
1
hour;
25
minutes;
15
seconds;
10
frames
COASE;
C
1,1,0,0
AUDIO
DUBBING
0,
1,0,
0
REVIEW
Search
mode:
FINE
FINE;
F
+ +
4,0,1,1
RECORDING
PAUSE
0,0,1,1
FAST
FORWARD
[STXICDFS
4125151
0[ETX]
Q):
Indeterminate
1,0,1,0 RECORD cE 0,0, 1,0 REWIND
Blank Counter data
1,0,0,1
PLAY
PAUSE,
SLOW
PAUSE
iz
0,0,
0,1
(3:
Sign
1,0,0,0
REVERSE
*2
PLAY,
0,0,
0,0
STOP
-;
-
sign
REVERSE
PLAY, PLAY,
#2
PLAY
7
+;
Blank
: Hours
This
QOS
command
enables
the
execution
state
of
the
following
commands
to
be
checked
by
means
of
BIT6
and
(3:
Minutes
BIT7
of
DATA
ADRS1
which
is
part
of
the
receive
data
that
is
returned
after
this
QOS
command
is
sent.
co
Q): Seconds
COUNTER
SEARCH
[sTx}scs:
QOODODOODIETX)
B
[stx}scP:
QODOOOODIETX)
C3:
Frames
PLAY
TO
FRAME
{STX]SPT:
QOOOODODIETX)
-
INSERT TO FRAME [STXJEAT: OQOUOCOOCI(ex}
(STXJEIT
:
CODOOOOOI{ETX]
tl
—
at
at
(STXJEVT: QOOOOOOCIEt)
DIRECT SEARCH [STXJOSF: CJETX}
[STX]OSR: DJETX}
on
_
i)
COUNTER CALIBRATE [STX]CCLIETX]
These
commands
require
a
certain
amount
of
time
to
be
processed,
and
processing
does
not
end
at
the
same
time.
They can be checked by performing the following processing with the personal computer.
Processing example:
First,
one
of
the
above
commands
is
sent.
As
a
result,
the
processing
continue
flag
becomes
“1”
when
the
VTR
Starts
processing,
hence
when
the
QOS
command
is
sent,
processing
can
be
accepted
correctly.
if
then
the
QOS
command
is
sent
periodically,
and
the
processing
continue
flag
and
the
processing
interrupt
flag
are
checked,
it
is
possible
to
know
whether
processing
ended normally
or
was
interrupted
mid-way.
Processing
Processing
Meee
are
possible
reasons
for
a
processing
;
tl
f i
interrupt
flag
continue
fag
a
*
Operation
was
performed
from
the
front.
Processing
0
1
¢
The
tape
end and
beginning
was
detected.
|_being
continued
¢
The
CUE
or
REVIEW
limit
time
(10
minutes)
a‘
ded.
Processing
was
exceeds
i
interrupted
1
0
«
An
abnormality
occurred
in
the
VTR.
Processing
ended
2
o
Precaution
Commands,
apart
from
the
following,
that
are
sent
from
the
persona!
computer
will
not
be
processed
correctly
for
a
period
of
at
least
150
msec.,
even
if
the
processing
continue
flag
becomes
0.
Wait
for
at
least
150
msec.
before
sending the following commands.
« Commands that can be accepted as soon as the processing continue flag becomes 0.
SMC, SMF, QOP, QOS, QCD, QID, ARV, RCK

vI-T
rr
@ Other commands
Send
command
CRT
while the VTR is executing a command other than
EVT, EAT, EIT, SPT, SCS, SCP, OSR, OSF or CCL,
the VTR will accept commands from the personal
computer. in the case of EVT, EAT, EIT, SPT, SCS,
SCP, OSR, OSF or CCL, the VTR will return a
command error. When the “S” indicator is fit, the VTR
will go into the VISS mode.
This command resets the counter. If the power is ON
[STXJCRT[ETX]
4
([STX]CRT[ETX}
CCL
This is the counter calibration command. It resets the
counter after the tape has been rewound to the
beginning. It can be executed if the VTR is in the
STOP, PLAY, REW, FF, PLAY PAUSE, REVERSE
PLAY, SLOW or SLOW PAUSE mode. It can be
canceled by the OSP or OEJ command. The counter
calibration operation will be canceled if the operation
mode changes as a result of a key input from the
VTR proper or the remote controller. If the VTR
receives a command other than the OSP, OEJ, QCD,
QOP, QOS, RCK, QRV or QID command while the
counter is being calibrated, the VTR will return a
command error.
[STX]CCL[ETX}
{STXJCCL[ETX}
RCK
Qib
[cee b
This command checks it communication has been
established (if the interface is operating). If the VTR
is abnormal, a NACK can be returned; if it is normal,
RCK can be returned.
This command is used to refer to the version of the
ROM used in the RS-232C in the VTR.
This command is used to refer to the type name of
the VTR.
}——.-—
{STX]RCK[ETX}
[STXJQRV{ETX]
[STXJQID[ETX}
When normal: {STX]RCK(ETX]
When abnormal: (NACK]
[STXIVErX.XX 4/1/91[ETX]
major
version date
miner version
[STX]AG5700-E[ETX)
¢
{fa
key
on
the
VTR
or
the
remote
controller,
or
the
Memory/Search
button,
is
operated
while
a
CCL
command
is
being
executed,
the
operation
of
the
CCL
will
not
take
place
correctly,
and
processing
will
be
interrupted.
Take
steps
to
ensure
that
these
operations
are
not
pertormed
while
a
CCL
command
is
being
executed.
*
Ifa
CRT
command
is
sent
when
“S”
(search)
appears
on
the
display
of
the
counter,
the
VTR
will
go
into
the
VISS
mode,
preventing
the
counter
from
being
reset.
Consequently,
when
resetting
the
counter,
be
sure
to
press
the
Memory/Search
button
to
cancel
the
search
display
in
advance.
@ Counter Accuracy and Editing Accuracy
(1)Counter accuracy
Condition Counter accuracy (TYPICAL)
When search was performed in loading
state +1 frame
When search was performed in FF: +1 sec.
FF/REW REW: +2 sec.
When editing was performed +7 frames
{2) Editing accuracy (TYPICAL)
OUT point
IN point
Before editing
3 to 6 frames
0 to 2 frames
After editing
As
shown
in
the
above
figure,
the
IN
point
is
-3
to
-6
frames
and
the
OUT
point
is
0
to
~2
frames.
(The
above
figure
shows
the
difference
between
the
edit
points.)
The
error
indicated
in
the
above
counter
accuracy
occurs,
hence
the
IN
point
on
the
counter
is
+4
to
+1
frames,
and
the
OUT
point
on the
counter
is
+7 to
+5 frames.

STI
w Send command and reply data from the VTR
When a command is sent correctly, the format data of 1) described in the “(3) Receive format" (page 17) is sent
back, however the VTR does not necessarily perform the operation specified by the command, even if it responds to
the format of 1). For example, if the playback command “[STX]OPL[ETX]" is sent when the power to the VTR is OFF,
[STXJOPL{ETX] will be returned from the VTR, however because the power is OFF, playback wiil not take place.
In such a case, the state of the VTR can be checked by using the VTR status sense command ([STX]QOP[ETX)).
\f one of the following mistakes is made, an error code will be returned, and a certain amount of time will be
necessary to search for the cause, so be very careful.
1. Failure to insert a blank
Example:
[STX}]SCS:1425123[ETX]
In this example, the operator intended to input a command that would search for 1
hour, 42 minutes, 51 seconds, 23 frames and display a STILL picture. When searching
in the positive direction, be sure to insert a space after “:”. The correct input is as
follows.
i eae 425123[ETX]
Blank
2. When the data exceeded the allowable range
Example:
{STX]SPT:_1 aid S[ETX)
- The data for “second” unit in this example is 70, hence it is incorrect.
Be sure to input data within the range 0 to 59.
3. When the next command is sent, a limit will be imposed on the commands that can be accepted until the
completion of processing. Note that apart from when the special commands shown in the table below (commands
that interrupt processing) are being executed, an error code will be returned.
oT ale Motel n ilar Lar] Special commands that can be accepted during processing
[STXJEVT-OOOOOOOOIETX] [STX}OSP[ETX] [STXJQOS|[ETX} [STX]QID[ETX]
{STXJEATOOOODOOCIETX) [STX]QCD[ETX] [STX]RCK[ETX]
(STXJEIT (DOODOOOOCIETX) {STX]QOP[ETX] [STXJQRV[ETX]
[STx]SPT:CODDOOOOIETX} [STXJOSP[ETX} [STX]RCK[ETX]
{sTx}scs:00 ] WETX] [STXJOEJ[ETX] [STXJORV[ETX]
(sTx}scP:00 (NETX] [STXJQID[ETX]
{stxjosA DODODOODIETX) ([STX]QCD[ETX]
[STXJOSF OOOOIETX) [STXJQOP[ETX]
([STXJCCL[ETX] [STX]QOS[ETX]
J
nn
B interval between the previous send command and the next send command
The AG-5700 is a multi-microcomputer VTR. A command that is to be processed in some way by the system control
microprocessor in the VTR requires time (approx. 150 msec) to be transmitted between the RS-232C interface
microprocessor and the system control microprocessor. The commands indicated below are used to perform
processing in the system control microprocessor, so allow an intervals of at least 150 msec when sending a
command from the personal computer. When sending the same command such as when sending the ORW
command in order to perform a REVIEW operation, send it continuously.
¢ Commands used to perform some kind of processing on the system control microprocessor.
OsP
OEJ
OPL
ORW
OFF
OPA
ORC
OAF
OAR
OPR
OSL
OSD
OSU
CRT
EIN
EAD
POW
PON
POF

OTT
rn
ws COMMAND tabie
The following table shows send commands and operations for each mode seen from the personal computer.
IST) is hexadecimal code 02H.
{ETX] is hexadecimal code 03H.
: is hexadecimal code 3AH.
Discrimination section and data section mean the ASCI! code corresponding to that symbol.
¢ BASIC OPERATION COMMAND
Send command
Receive data from VTR
STXJOSP[ETX} Same as at left STOP
STXJOEW[ETX] Same as at lett EJECT |
STXJOPL[ETX] Same asatieft. | PLAY |
STXJORWIETX] Same as at left REWIND
{STXJOFF[ETX] Same as at left FAST FORWARD !
[STXJOPA[ETX] Same as atleft | PAUSE/STILL |
STXJORC[ETX] Same as at left RECORD |
[STXJOAF[ETX] Same as at left ADVANCE/FORWARD
STXJOAR[ETX] Same as at left ADVANCE/REVERSE
STXJOPRIETX] Same as at left REVERSE PLAY
{STXJOSL[ETX] Same as at left SEARCH PAUSE
[STXJOSD[ETX] Same as al left SEARCH SPEED DOWN
[STXJOSU[ETX]
L [STXJEIN[ETX]
Same as at left
Same as at left
SEARCH SPEED UP
INSERT
|_[STXIOSR:
[STX]POW[ETX}
[STXJEAD[ETX] Same as at left AUDIO DUB
(sTXJEIT-QOOOOOCHIETX) [STXJEIT[ETX) INSERT VIDEO TO FRAME
Sign; Hours; Minutes; Seconds; Frames
=, coy = ae heer
ISTXJEAT: OOOO IETX] [STX]EAT[ETX] INSERT AUDIO TO FRAME
Sign; Hours; Minutes; Seconds; Frames
([STXJEVT:CIO
I
[ETX]
([STXJEVT[ETX}
INSERT
AUDIO&VIDEO
TO
FRAME
Sign; Hours; Minutes; Seconds; Frames
i aa ae
[STX]OSF
:L[ETX)
[STXJOSF[ETX]
DIRECT
SEARCH
(+
direction)
[ETX] {STXJOSR[ETX] DIRECT SEARCH (- direction)
Same as at left
POWER ON/OFF
[STXJPON[ETX}
Same as at left
POWER ON
[STX]POF[ETX]
Same as at left
POWER OFF
e SEARCH COMMAND
[STX]SMC[ETX]
Same as at left
SEARCH MODE COASE
[STX]SMF[ETX}
Same as at left SEARCH MODE FINE
(stxjscP:O0D00 [ETX] [STX}]SCP[ETX] COUNTER SEARCH PLAY
Sign; Hours; Minutes; Seconds; Frames
[sTxjscs:D0U0 OO [ETX] [STX]SCS[ETX] COUNTER SEARCH PAUSE
Sign; Hours; Minutes; Seconds; Frames
(sTx}sPT:O0DO CI[ETX] 5 [STXJSPT[ETX] PLAY TO FRAME
Sign; Hours; Minutes; Seconds; Frames
e¢ MODE AND DATA SENSE COMMAND
Send command
Receive data from VTR
Description of operation
[STX]QOP[ETX} [STX] [ET X] STATUS SENSE
[STX]QOS[ETX] [STX] Ol DECK STATUS SENSE
ODOOCIETX)
[STX]QCO[ETX] [stx}jcD DOOOD0]]} COUNTER SENSE
DDOCIETX]
e OTHER COMMAND
Send command
Receive data from VTR
Description of operation
[STXICRT[ETX] Same as at left ‘COUNTER RESET
[STX}CCLIETX] Same as at left COUNTER CALIBRATE
{STXJRCK[ETX] Same as at left | ON LINE CHECK
[STXJQRV[ETX] (STX)Ver.X.XX ROM VERSION SENSE
OATA[ETX}
[STXJQID[ETX} | [STX]AG5700-E[ETX] DECK ID SENSE

LI-1
AG-5700 RS-232C mode transition table
VTR mode
POF STOP EJECT PLAY EW FE aie nae SLOW parry REC bau aoua pe oe CCL DEW
ololo]lolofolo]lolololofololo o | o | o | ero
Go). Lo le [o.) oae)|-o- 6 i [ o | o lo | en
a ap Ore pias [oj] 0 ololo | ere | ERE | ERE | ERD
Oe
re
O
|
2
|
2
|
2
|
then
sak
il
ERE
|
ERE
|
ERE
|
ERD
eee
PPOn
Le
=
Wc
O
pee
Fae
es
LR
|
|
Ere
|
ERE
|
ERE
|
ERD
ae ot ofofofofotofotolotofo ERE | ERE | ERE | ERD
8
|
° °
|
|
|
eRe
|
ERE
|
ERE
|
ERD
‘TofolofofolTofofololofofo|of[ofofo ene | ERE | ERE | ERD
2
5
=i)
1°
ie)
_|
|
|
|
ere
|
ene
|
ere
|
ERD
) i ° ERE ERE ERE ERD
O ololololololo = ERE | ERE | ERE | ERO
T [ ene | ene | ene | eno
ofeftTotolototol|o ERE ERE | ERE ERD
ie) { ERE | ERE | ERE | ERD
| ene | ere | ERE | ERD |
° ERE | ERE | ERE | ERD
Elbe
teeth
se
lle
nr
i,
Ou)
20
ERE
|
ERE
|
ERE
|
ERD
se
tal
ce
Sh
a
|
oe
an
e)
ere
|
eRe
|
ere
|
ERD
eee
ee
ee
ee
©
AeA,
ere
|
ERE
|
ERE
|
ERD
slices
east
eae
aa
ic
1°
oO}
|
|
ere
|
ere
|
ene
|
ERE
|
Ene
|
ERE
|
ERE
|
ERD
Me oak O 3 ° ERE | ERE eRE | ERE | ERE | ERE | ERD
fe
ee
[[o
ene
|
ERE
cre
|
ene
|
ene
|
ere
|
ERO
19. ' am eo) ie) e) 1) (eo) ERE ERE ERE ERE ERE TERE ERD
[ of | Pedse jroo: [6 a | ere | ene | ene | ERE | ERE | ERE | ERE | ERD
Le. ofofolfolfo | ent | ene | ene | ere | ere | ene | eRe | ERD
LO Oo} 0 ° oun ee) ERE | ERE | ERE | ERE | ERE | © | ERE | ERD
_ |; 9 o|o}folfolo if ene | ere | ene | ene | ene | © | eRe | EAD
fOoq oy | o|o owe eee ert | ere | ene | ene | ene | ERE | ERE | ERD
RS-232C Command (Personal computer -» VTR)
This table indicates the way in which the VTR operates in
response to a command from the personal computer. There are
various cases: Even for the same command, the VTR will
operate, not operate, return an error, or ignore the command
depending on the state of the VTR. For this reason, refer to the
section on programming using the personal computer.
How to read the table
The VTR mode is the present VTR state.
The send cade is a control code output by the personal
computer.
For exampie
(1) It can be seen that the VTR will stop when the VTR is in the
REW state and OSP (STOP command) is sent from the
personal computer.
\f OPA (pause command) is sent, the column in the table is
blank, so it can be seen that nothing will happen (an error
will not occur either).
(2) 1 can be seen that when the VTR is in the EIT mode
nothing will happen if OEJ (EJECT command) is sent from
the personal computer, but that if OSP (STOP command) is
sent the VTR will accept this command and stop.
It can also be seen that an error will occur if the VTR is in
the EIT mode and OPL (PLAY command) is sent.
Orsisks Operation can be done
co na Tape rewound to beginning, then power OFF
BD arb ces Rev operation during continuous output
08! s aceceed Cue operation during continuous output
ERE ... The ERE code is returned.
ERD ... The ERD code is returned.
ie)
vu
m
a
>
=
2
(9)
Zz
nN
={
Pe)
Cc
io)
a
ie)
z
i¢2)