FOR-A Multi Viewer MV-40F(A) User manual

MV-40F(A)
Multi Viewer
2nd Edition
S/N 9075301 - Higher
OPERATION
MANUAL

Precautions
Important Safety Warnings
[Power]
Operate unit only on the specified supply voltage.
Disconnect power cord by connector only. Do not pull on cable portion.
Do not place or drop heavy or sharp-edged objects on power cord. Adamaged cord
can cause fire or electrical shock hazards. Regularly check power cord for
excessive wear or damage to avoid possible fire / electrical hazards.
[Grounding]
Ensure unit is properly grounded at all times to prevent electrical shock hazard.
Do not ground the unit to gas lines, units, or fixtures of an explosive or dangerous
nature.
[Operation]
Do not operate unit in hazardous or potentially explosive atmospheres. Doing so
could result in fire, explosion, or other dangerous results.
Do not allow liquids, metal pieces, or other foreign materials to enter the unit. Doing
so could result in fire, other hazards, or unit malfunction.
If foreign material does enter the unit, turn power off and disconnect power cord
immediately. Remove material and contact authorized service representative if
damage has occurred.
Caution
Hazard
Stop
Caution
Hazard
Hazard

[Circuitry Access]
Do not remove covers, panels, casing, or access circuitry with power applied to the
unit! Turn power off and disconnect power cord prior to removal. Internal servicing /
adjustment of unit should only be performed by qualified personnel.
Do not touch any parts / circuitry with a high heat factor.
Capacitors can retain enough electric charge to cause mild to serious shock, even
after power is disconnected. Capacitors associated with the power supply are
especially hazardous. Avoid contact with any capacitors.
Unit should not be operated or stored with cover, panels, and / or casing removed.
Operating unit with circuitry exposed could result in electric shock / fire hazards or
unit malfunction.
[Potential Hazards]
If abnormal smells or noises are noticed coming from the unit, turn power off
immediately and disconnect power cord to avoid potentially hazardous conditions. If
problems similar to above occur, contact authorized service representative before
attempting to again operate unit.
[Fuse]
If this product is equipped with a fuse, fuse replacement should only be performed
by qualified personnel. Power off equipment and disconnect power cord prior to
replacement. Replace only with fuse of same type, voltage rating, and current rating
as specified for the unit.
[Backup Battery]
If this product contains a memory backup battery (either dry cell or rechargeable)
and when it is necessary to replace the battery, have work done by the shop where
you purchased the product.
Caution
Caution
Caution
Hazard
Stop

Upon Receipt
Unpacking
The MV-40F is fully inspected and adjusted prior to shipment and can be operated immediately
upon completing all required connections and operational settings.
Check your received items against the packing list below.
ITEM QTY REMARKS
MV-40F 1 NTSC or PAL user selectable
AC Cable 1 For unit power supply
Operation Manual 1 This manual
Check
Check to ensure no damage has occurred during shipment. If damage has occurred, or items
are missing, inform your supplier immediately.

TABLE OF CONTENTS
1. Prior to Starting....................................................................................................... 1
1-1. Welcome .......................................................................................................... 1
1-2. About the MV-40F............................................................................................. 1
1-3. About This Manual............................................................................................ 2
2. Panel Descriptions.................................................................................................. 3
2-1. Front Panel....................................................................................................... 3
2-2. Rear Panel ....................................................................................................... 4
3. Connection Example............................................................................................... 5
3-1. Computer Control............................................................................................. 5
3-2. External Alarm Input......................................................................................... 6
3-3. Remote / Alarm Connector............................................................................... 7
3-4. Remote Control................................................................................................ 8
3-4-1. External Time Correction Input............................................................... 8
3-4-2. Remote Control Circuit Diagram............................................................. 9
3-5. Alarm Circuit................................................................................................... 10
4. Operation.............................................................................................................. 12
4-1. Prior to Operation........................................................................................... 12
4-2. Installation Precautions .................................................................................. 12
4-3. Memory Backup ............................................................................................. 13
4-4. Power ON....................................................................................................... 13
4-5. Front Panel Controls ...................................................................................... 14
4-5-1. NTSC / PAL Select............................................................................... 14
4-5-2. Full Screen Mode................................................................................. 15
4-5-3. Full Screen Auto................................................................................... 16
4-5-4. Split Screen Mode................................................................................ 16
4-5-5. Display Mode Quick Reference Chart .................................................. 17
4-5-6. Selecting Split Screen Display.............................................................. 18
4-5-7.Setting Screen Position......................................................................... 19
4-5-8. Setting Channel Assign........................................................................ 20
4-5-9. Freeze Select....................................................................................... 21
4-5-10. Freeze Mode Quick Reference Chart................................................. 23
4-5-11. VTR Record / Playback...................................................................... 24
4-5-12. Zoom Display ..................................................................................... 25

4-5-13. Unit Reset...........................................................................................25
4-6. External Alarm Function..................................................................................26
4-7. Video Loss Alarm............................................................................................29
4-8. Alarm Reset....................................................................................................32
4-9. Alarm Quick Reference Chart.........................................................................33
4-10. Video Loss Quick Reference Chart...............................................................34
5. Main Menu.............................................................................................................36
5-1. Accessing and Changing Menus.....................................................................38
5-2. Time Setup......................................................................................................39
5-3. Alarm / Video Loss..........................................................................................41
5-4. Title/Position ...................................................................................................42
5-4-1. Title / Set...............................................................................................42
5-4-2. Title Position .........................................................................................43
5-4-3. Timer Position.......................................................................................44
5-5. Display............................................................................................................45
5-6. Display Set......................................................................................................46
5-6-1. P-in-P mode..........................................................................................47
5-6-2. Split 2 or 3 Mode...................................................................................48
5-6-3. Channel Assign.....................................................................................49
5-7. Other...............................................................................................................51
6. RS-232C Remote Control......................................................................................52
6-1. Connection......................................................................................................52
6-2. Communication Parameters ...........................................................................52
6-3 Protocol Flow...................................................................................................52
6-4. Computer Transmit .........................................................................................53
6-5. MV-40F Reply.................................................................................................53
7. RS-232C Control Commands................................................................................54
7-1. Display............................................................................................................54
7-2. Freeze Commands .........................................................................................55
7-3. VTR Mode Commands ...................................................................................55
7-4. Alarm Functions..............................................................................................56
7-5. P-in-P Inset Screen Positioning Commands...................................................56
7-6. Split Screen 2 and 3 Positioning.....................................................................57
7-7. Display Status Request and Reply..................................................................58
7-8. Operation Mode Request and Reply...............................................................58
7-9. P-in-P Inset Screen Position Request and Reply............................................59

7-10. Split 2 or Split 3 Screen Request and Reply................................................. 59
8. Specifications & Dimensions................................................................................. 61
8-1. Specifications ................................................................................................. 61
8-2. External Dimensions ...................................................................................... 62
8-2-1. Single Unit Rack Mounting................................................................... 62
8-2-1. Single Unit Rack Mounting................................................................... 63
8-2-2. Dual Unit Rack Mounting...................................................................... 63

1
1. Prior to Starting
1-1. Welcome
Congratulations! By purchasing the MV-40F you have entered the world of FOR.A and our many
innovative products. Thank you for your patronage and we hope you will turn to FOR.A products
again and again to satisfy your video and audio production needs.
FOR.A provides a wide range of products, from basic support units to complex system
controllers, which have been increasingly joined by products for computer video based systems.
Whatever your needs, talk to your FOR.A representative. We will do our best to be of continuing
service to you.
1-2. About the MV-40F
The MV-40F is a flexible and economical composite input multi viewer with a wide range of
convenient functions. Features include; built-in title generator to identify each source input, four
video inputs with loop thru, one VTR input and output to monitor display recorded material and
one dedicated monitor output. Sequentially freeze video for observation purposes. Ideal for
security monitoring, manufacturing observation, or any application requiring multi viewing of
different locations or different areas within one location.
Features
 Accepts and loops thru 4 ea. color or B/W asynchronous composite video signals.
 Display camera inputs full screen, 2-split, 3-split, 4-split, or P-in-P.
 Split display H or V selectable.
 3-split display H or V selectable. 2 one side/1 to other.
 3 P-in-P modes, 1 camera full screen + 1, 2 or 3 inset P-in-P displayed.
 Input positioning adjustable all display modes except full and quad screen.
 Auto sequence between inputs and alarm/lost video detection functions.
 Input up to 8 characters per camera channel title, title positionable.
 Freeze camera input views as necessary, 2 x zoom views on playback.
 All operational parameters on-screen menu set at observation monitor.
 Alarm, video loss indications monitor displayed as they occur.
 Record video channels in multiple view format modes.
 Convenient EIA 1RU half width size.

2
1-3. About This Manual
This manual is intended to help the user easily operate the MV-40F and make full use of its
functions during operations. Before connecting or operating your unit, read this operation
manual thoroughly to ensure you understand the product. After reading, it is important to keep
this manual in a safe place and available for future reference.

3
2. Panel Descriptions
2-1. Front Panel
① Power switch and indicator
Used to turn unit power ON / OFF.
② AUTO / ALARM RESET
AUTO: Used to switch between full screen displayed channels. When lit, auto sequencing
between full screen displayed channels will commence according to the set dwell time. See sec.
‘5-2. Time Setup’ for details on setting dwell time. Manual switching can also be performed by
pushing this switch.
ALARM RESET: Switch indicator light flashes when alarm is in progress. Push to turn off alarm
buzzer. See important note below concerning external alarms.
IMPORTANT
This switch can not be used to reset alarm status when ALARM
MODE is set to LEVEL.
③ Select 1 - 4
Used to select camera inputs for full screen display when in NORMAL mode. Used to set freeze
operation ON/OFF for corresponding input when in FREEZE mode..
④
Used to zoom in on VTR playback material. See sec. ‘4-5-12. Zoom Display’ for details.
⑤ ENTER
Used to scroll through menu lists and make menu selections.
⑥ SPLIT
Used to turn split mode ON/OFF. Switch indicator lights when SPLIT mode is ON. Split mode
display type (2 split, 3 split, Quad and P-in-P) can be selected by menu operations. See sec. ‘5-5.
Display’ for details.
⑦ NORMAL / FREEZE
Used to set unit to NORMAL or FREEZE mode operation. Switch indicator lights when FREEZE
mode selected. See sec. ‘4-5-9. Freeze Select’ for details.
⑧ VTR
Used for playing back and viewing previously recorded VTR video. Switch indicator lights when
VTR mode selected. See sec. ‘4-5-11. VTR Record / Playback’ for details.
(Continued following page.)
AUTO NORMALSPLIT
SELECT
ENTER*FREEZE
431MENUVTR
POWER
OFF
ON
RESET
ALARM
2
MULTI VIEWER MV-40F
①
②
⑥
⑦ ⑧ ⑨
④
③
⑤
⑤

4
⑨ MENU
Used to access menu mode for setting unit parameters such as title, position, character type, etc.
Switch indicator lights when MENU mode selected. See sec. ‘5. Main Menu’ for details.
2-2. Rear Panel
① VIDEO IN 1 - 4
Used for input of composite video. BNC type connectors.
② VIDEO OUT 1 - 4
Used for output of loopthrough composite video 1-4 inputs (①). These connectors will 75Ωauto
terminate when no loopthrough connection to other system equipment is made. BNC type
connectors.
③ VTR PB IN
Used to input previously recorded VTR material for output to display monitor (MONITOR OUT).
④ VTR REC OUT
Used to output video to VTR for record purposes. Output mode can be set to always quad or the
same mode with the monitor output.
⑤ MONITOR OUT
Used to monitor display selected camera or playback video.
⑥ REMOTE/ALARM connector
Used for remote control connection of a user fabricated remote control device.
Or used for remote control connection to computer.
Also used for external alarm signal input device connection.
⑦ Ground Terminal
Used to ground unit to protect operators against static electricity and / or electrical shock.
⑧ AC IN
Used for connection to AC power source via supplied accessory cord.
IMPORTANT
Unit circuitry is not fuse protected. Unit power cable must not be
directly connected to your power source. Instead, connect to a power
connection unit having either an installed fuse or breaker that can be
easily reached in an emergency.
②④
⑦
①
⑤⑥⑧
③
SER.No
REMOTE/ALARMVTR MONITOR
OUT
VIDEO IN (75 AUTO TERM)
Ω
1234
OUT
AC100-240V~50/60Hz IN
REC OUT
PB IN
IN

5
3. Connection Example
3-1. Computer Control
Basic RS-232C interface connection example is given in the figure below.
NOTE
See sec. ‘3-3. Remote / Alarm Connector’ following for
REMOTE/ALARM connector and alarm circuit information.
Monitor
SER.No
REMOTE/ALARMVTR MONITOR
OUT
VIDEO IN (75 AUTO TERM)
Ω
1234
OUT
AC100-240V~50/60Hz IN
REC OUT
PB IN
IN
PC
(see note below)
To other
system
equipment

6
3-2. External Alarm Input
Basic alarm connection example is given in the figure below.
NOTE
See sec. ‘3-3. Remote / Alarm Connector’ following for
REMOTE/ALARM connector and alarm circuit information.
Monitor
A
larm signal input
(see note below)
To other
system
equipment
SER.No
REMOTE/ALARMVTR MONITOR
OUT
VIDEO IN (75 AUTO TERM)
Ω
1234
OUT
AC100-240V~50/60Hz IN
REC OUT
PB IN
IN

7
25-pin D-sub (female)
3-3. Remote / Alarm Connector
Connector appearance and pin assignments are as below.
 Pin Assignment Table
PIN No SIGNAL PIN No SIGNAL
1 REMOTE AUTO/RST 14 ALARM MAKE
2 REMOTE CH1 15 ALARM COM
3 REMOTE CH2 16 ALARM BREAK
4 REMOTE CH3 17 NOT USED
5 REMOTE CH4 18 RS-232C TXD
6 REMOTE NOR/FRZ 19 RS-232C RXD
7 REMOTE SPLIT 20 RS-232C DTR
8 REMOTE VTR 21 RS-232C DSR
9 ALARM CH1 22 RS-232C RTS
10 ALARM CH2 23 RS-232C CTS
11 ALARM CH3 24 GND
12 ALARM CH4 25 GND
13 ADJUST IN
 Pin Functions
Pin no. 1 – 8: Remote Control Operations
Pin no. 9 – 12: Alarm Inputs
Pin no. 13: External Time Correction Input
Pin no. 14 – 16: Alarm Outputs
Pin no. 18 – 23: RS-232C Interface Control Signals
 To fabricate connection cable for Remote / Alarm Connector:
Use 25-pin D-sub (male) connector assembly.
Assembly part numbers are as given below.
Backshell: D-C4-J11-S1 (JAE)
Connector Core: DB-25PF-N (JAE)
REMOTE/ALARM

8
3-4. Remote Control
Remote control functions enable switch operations from a remote box are as shown below.
Remote Control Functions
Pin No. SIGNAL Function
1 REMOTE AUTO/RST Same as front panel AUTO/ALARM RESET switch
2 REMOTE CH1 Same as front panel SELECT1 switch
3 REMOTE CH2 Same as front panel SELECT2 switch
4 REMOTE CH3 Same as front panel SELECT3 switch
5 REMOTE CH4 Same as front panel SELECT4 switch
6 REMOTE NOR/FRZ Same as front panel NORMAL/FREEZE switch
7 REMOTE SPLIT Same as front panel SPLIT switch
8 REMOTE VTR Same as front panel VTR switch
3-4-1. External Time Correction Input
Time can be corrected by an external minute pulse signal.
When time correction pulse signal received:
If clock indication is between 1 - 29 seconds, clock is reset to 0 second.
If clock indication is between 30 - 59 seconds, clock is reset to 0 second plus 1 minute.
A
d
j
ust IN
100ms or more
5V
0V
12:10:17 12:10:00
12:30:33 12:31:00
Exam
p
le 1
)
.
Exam
p
le 2
)
.

9
3-4-2. Remote Control Circuit Diagram
Remote control circuit is shown as below with external device examples. See sec. ‘3-3.
Remote / Alarm Connector’ for details on pin assignments.
NOTE
Remote operation is initiated by TTL level negative logic pulse
more than 100ms pulse width.
A delay of more than 100ms between signal inputs is required
for proper remote control operation.
 Simple switch as external input device
 TTL level negative logic circuit as external input device
GND (24 or 25 pin)
10kΩ
10kΩ
CMOS Buffer
Signal input pin
(Pin 1 - 9)
0.01μF
TTL level negative
logic pulse
External device side MV-40F side
GND (24 or 25 pin)
10kΩ
10kΩ
CMOS Buffer
Signal input pin
0.01μF
External device side MV-40F side

10
3-5. Alarm Circuit
Alarm input and output circuits with external input device examples are as shown below. See
sec. ‘3-3. Remote / Alarm Connector’ for details on pin assignments.
NOTE
larm initiated by TTL negative logic level signal if menu alarm set
to LEVEL.
Alarm initiated by TTL negative logic pulse signal if menu alarm
set to TRIG (trigger). Pulse width must be more than 100 ms.
See sec ‘5-3. Alarm / Video Loss’ following.
 Alarm input circuit with simple switch as external input device
 Alarm input circuit with TTL negative logic circuit as external input device
GND (24 or 25 pin)
10kΩ
10kΩ
CMOS Buffer
Signal input pin
0.01μF
TTL level negative
logic pulse
External device side MV-40F side
GND (24 or 25 pin)
10kΩ
10kΩ
CMOS Buffer
Signal input pin
0.01μF
External device side MV-40F side