Vertex Standard FT-200 User manual

FT-2000
Operating Manual
Vertex Standard Co., Ltd.
1
General Description
We wish to take this opportunity to thank you for your purchase of the FT-2000
Transceiver!
About This Manual . . .
The FT-2000 is a leading-edge transceiver with a number of new and exciting features,
some of which may be unfamiliar to you. In order to gain the most enjoyment and
operating efficiency from your FT-2000, we recommend that you read this manual in its
entirety, and keep it handy for reference as you explore the many capabilities of your
new transceiver.
Before using your FT-2000, be sure to read and follow the instructions in the “Before
You Begin” section of this manual.
Accessories & Options
Supplied Accessories
AC Power Cord 1 pc T9017882: USA
T9013285: Europe
T9013283A: Australia
4-pin DIN Plug 1 pc P0091004
5-pin DIN Plug 1 pc P0091006
8-pin DIN Plug 1 pc P0090651
1/4-inch 3-contact Plug 2 pcs P0090008
3.5 mm 3-contact Plug 1 pcs P0091046
3.5 mm 2-contact Plug 2 pcs P0090034
RCA Plug 6 pcs P0091365
Operating Manual 1 pc
Warranty Card 1 pc
Available Options
MD-200A8X Ultra-High-Fidelity Desk-Top Microphone
MD-100A8X Desk-Top Microphone
YH-77STA Lightweight Stereo Headphone
SP-2000 External Speaker with Audio Filter
VL-1000/VP-1000 Linear Amplifier/AC Power Supply
DMU-2000 Data Management Unit

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MTU-160 RF µ-Tuning Unit A (160 m Band)
MTU-80/40 RF µ-Tuning Unit B (80/40 m Bands)
MTU-30/20 RF µ-Tuning Unit C (30/20 m Bands)
FH-2 Remote Control Keypad
YF-122C Collins CW Filter (500 Hz/2 kHz: –6 dB/–60 dB)
YF-122CN Collins CW Filter (300 Hz/1 kHz: –6 dB/–60 dB)
Before You Begin
Connecting AC Power
Before connecting the AC power, check the label on the rear panel which indicates the
AC mains voltage for which your transceiver is currently set. If the voltage on this
label does not much your AC mains voltage, a switch on the internal power supply in
the transceiver must be moved. This requires only a screwdriver and is not difficult
(see below), but you should make sure the power supply is set up correctly before
connecting power. Always uses the 10 A fuse in the fuse holder on the rear panel
whether operate on 100 - 120 VAC or 200 - 240 VAC. Do not use the improper fuse. If
you have any doubts about the procedure, contact your dealer for assistance.
After making certain the AC voltage for which the transceiver is set matches your
mains voltage, connect the AC power cord to the 3-pin AC jack on the rear panel. Wait
until all other transceiver interconnections have been made before connecting the other
end of the power cord to the wall outlet.
CAUTION
Permanent damage will result if improper AC supply voltage is applied to the
transceiver. Your warranty does not cover damage caused by application of improper
supply voltage, or use of an improper fuse.
AC Input Voltage Selection
 Make certain that all cables are disconnected from the transceiver.
 Remove the three screws from each side of the transceiver, and three screws from
the top edge of the rear panel. Slide the top cover toward to the rear about 1/2 inch
(1 cm), then remove the top cover.
 Locate the power supply unit and the voltage selector switch.
 Move the AC range switch to the “115” position for operation from 100 - 120 VAC,
or to the “230” position for operation from 200 - 240 VAC.

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 Replace the top cover and its nine screws.
 Always uses the 10 A fuse in the fuse holder on the rear panel whether operate on
100 - 120 VAC or 200 - 240 VAC.
 Change the voltage marking on the label on the rear panel to match the new
voltage setting.
Extending the Front Feet
In order to elevate the front panel for easy viewing, the front left and right feet of the
bottom case may be extended.
 Pull the front legs outward from the bottom panel.
 Rotate the legs counter-clockwise to lock them in the extended position. Be sure the
legs have locked securely in place, because the transceiver is quite heavy and an
unlocked leg could result in damage, should the transceiver move suddenly.
Retracting the Front Feet
 Rotate the legs clockwise, and push them inward while rotating to the right.
 The front feel should now be locked in the retracted position.
Adjusting the Main Tuning Dial Torque
The torque (drag) of the Main Tuning Dial knob may be adjusted according to your
preferences. Simply hold down the rear skirt of the knob, and while holding it in place
rotate the knob itself to the right to reduce the drag or to the left to increase the drag.
Resetting the Microprocessor
Resetting Memories (Only)
Use this procedure to reset (clear out) the Memory channels previously stored, without
affecting any configuration changes you may have made to the Menu settings.
1. Press the front panel’s [POWER] switch to turn the transceiver off.
2. Press and hold in the [A>M] button; while holding it in, press and hold in the front
panel’s [POWER] switch to turn the transceiver on. Once the transceiver comes on,
you may release the [A>M] button.
Menu Resetting
Use this procedure to restore the Menu settings to their factory defaults, without
affecting the memories you have programmed.
1. Press the front panel’s [POWER] switch to turn the transceiver off.

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2. Press and hold in the [MENU] button; while holding it in, press and hold in the
front panel’s [POWER] switch to turn the transceiver on. Once the transceiver
comes on, you may release the [MENU] button.
Full Reset
Use this procedure to restore all Menu and Memory settings to their original factory
defaults. All Memories will be cleared out by this procedure.
1. Press the front panel’s [POWER] switch to turn the transceiver off.
2. Press and hold in the [FAST] and [LOCK] buttons; while holding them in, press
and hold in the front panel’s [POWER] switch to turn the transceiver on. Once the
transceiver comes on, you may release the other two switches.
Installation and Interconnections
Antenna Considerations
The FT-2000 is designed for use with any antenna system providing a 50 Ohm resistive
impedance at the desired operating frequency. While minor excursions from the
50-Ohm specification are of no consequence, the transceiver’s Automatic Antenna
Tuner may not be able to reduce the impedance mismatch to an acceptable value if the
Standing Wave Ratio (SWR) present at the Antenna jack is greater than 3:1.
Every effort should, therefore, be made to ensure that the impedance of the antenna
system utilized with the FT-2000 be as close as possible to the specified 50-Ohm value.
Any antenna to be used with the FT-2000 must, ultimately, be fed with 50 Ohm coaxial
cable. Therefore, when using a “balanced” antenna such as a dipole, remember that a
balun or other matching/balancing device must be used so as to ensure proper antenna
performance.
The same precautions apply to any additional (receive-only) antennas connected to the
RX ANT jack; if your receive-only antennas do not have an impedance near 50 Ohms at
the operating frequency, you may need to install an external antenna tuner to obtain
optimum performance.
About Coaxial Cable
Use high-quality 50-Ohm coaxial cable for the lead-in to your FT-2000 transceiver. All
efforts at providing an efficient antenna system will be wasted if poor quality, lossy

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coaxial cable is used. This transceiver utilizes standard “M” (“PL-259”) type connectors,
except for the “RX OUT” BNC connectors used for special filters, etc.
Grounding
The FT-2000 transceiver, like any other HF communications apparatus, requires an
effective ground system for maximum electrical safety and best communications
effectiveness. A good ground system can contribute to station efficiency in a number of
ways:
 It can minimize the possibility of electrical shock to the operator.
 It can minimize RF currents flowing on the shield of the coaxial cable and the
chassis of the transceiver; such currents may lead to radiation which can cause
interference to home entertainment devices or laboratory test equipment.
 It can minimize the possibility of erratic transceiver/accessory operation caused by
RF feedback and/or improper current flow through logic devices.
An effective earth ground system make take several forms; for a more complete
discussion, see an appropriate RF engineering text. The information below is intended
only as a guideline.
Typically, the ground connection consists of one or more copper-clad steel rods, driven
into the ground. If multiple ground rods are used, they should be positioned in a “V”
configuration, and bonded together at the apex of the “V” which is nearest the station
location. Use a heavy, braided cable (such as the discarded shield from type RG-213
coaxial cable) and strong cable clamps to secure the braided cable(s) to the ground rods.
Be sure to weatherproof the connections to ensure many years of reliable service. Use
the same type of heavy, braided cable for the connections to the station ground bus
(described below).
Inside the station, a common ground bus consisting of a copper pipe of at least 25 mm
(1”) diameter should be used. An alternative station ground bus may consist of a wide
copper plate (single-sided circuit board material is ideal) secured to the bottom of the
operating desk. Grounding connections from individual devices such as transceivers,
power supplies, and data communications devices (TNCs, etc.) should be made directly
to the ground bus using a heavy, braided cable.
Do not make ground connections from one electrical device to another, and thence to
the ground bus. This so-called “Daisy-Chain” grounding technique may nullify any
attempt at effective radio frequency grounding. See the drawing below for examples of
proper grounding techniques.
Inspect the ground system - inside the station as well as outside - on a regular basis so

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as to ensure maximum performance and safety.
Besides following the above guidelines carefully, note that household or industrial gas
lines must never be used in an attempt to establish an electrical ground. Cold water
pipes may, in some instances, help in the grounding effort, but gas lines represent a
significant explosion hazard, and must never be used.
Connection of Antenna and Power Cables
Please follow the outline in the illustration regarding the proper connection of antenna
coaxial cables, as well as the AC power cable.
Use a short, thick, braided cable to connect your station equipment to the buried
ground rod (or alternative earth ground system).
Advice:
 Do not position this apparatus in a location with direct exposure to sunshine.
 Do not position this apparatus in a location exposed to dust and/or high humidity.
 Ensure adequate ventilation around this apparatus, so as to prevent heat build-up
and possible reduction of performance due to high heat.
 Do not install this apparatus in a mechanically-unstable location, or where objects
may fall onto this product from above.
 To minimize the possibility of interference to home entertainment devices, take all
precautionary steps including separation of TV/FM antennas from Amateur
transmitting antennas to the greatest extent possible, and keep transmitting
coaxial cables separated from cables connected to home entertainment devices.
 Ensure that the AC power cord is not subject to undue stress or bending, which
could damage the cable or cause it to be accidentally unplugged from the rear
panel AC input jack.
 Be absolutely certain to install your transmitting antenna(s) such that they cannot
possibly come in contact with TV/FM radio or other antennas, nor with outside
power or telephone lines.
Key, Keyer, and Computer-Driven Keying Interconnections
The FT-2000 includes a host of features for the CW operator, the functions of which will
be detailed in the “Operation” section later. Besides the built-in Electronic Keyer, two
key jacks are provided, one each on the front and rear panels, for convenient
connection to keying devices.

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The Menu system allows you to configure the front and rear panel KEY jacks according
to the device you wish to connect. For example, you may connect your keyer paddle to
the front panel KEY jack, and use Menu item “051 A1A F-TYPE” for paddle input,
while connecting the rear panel’s KEY jack to the keying line from your personal
computer (which emulates a “straight key” for connection purposes), and configure the
rear panel jack using Menu item “053 A1A R-TYPE.”
Both KEY jacks on the FT-2000 utilize “Positive” keying voltage. Key-up voltage is
approximately +5V DC, and key-down current is approximately 1 mA. When
connecting a key or other device to the KEY jacks, use
only a 3-pin (“stereo”) 1/4” phone
plug; a 2-pin plug will place a short between the ring and (grounded) shaft of the plug,
resulting in a constant “key-down” condition in some circumstances.
Interfacing to Other Linear Amplifiers
Note
 The TX/RX switching in the linear amplifier is controlled by switching components
in the transceiver. The relay circuit of the FT-2000 used for this switching is
capable of switching AC voltage of 100 Volts at up to 300 mA, or DC voltages or 60
V at 200 mA or 30 V at up to 1 Amp. In order to engage the switching relay, use
Menu item “134 tGEn ETX-GND;” set this Menu item to “EnA (Enable)” to
activate the amplifier switching relay.
 The specified range for ALC voltage to be used with the FT-2000 is 0 to -4 Volts
DC.
 Amplifier systems utilizing different voltages will not work correctly with the
FT-2000, and their ALC lines must not be connected if this is the case.
Plug/Connector Pinout Diagrams
All items are viewed from the rear (“solder side”) of the connector.
These plugs are shown with typical connection diagrams.
Front Panel Control & Switches
1. POWER Switch
Press and hold in this switch for one second to turn the transceiver on, after first
setting the rear panel [POWER] switch to the “I” position. Press and hold in this switch
for one second, similarly, to turn the transceiver off.
Advice: This is the actual power On/Off switch for turning on the transceiver. If the

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rear panel’s [POWER] switch is set to the “O” position, the front panel [POWER] switch
will not function.
2. DIM Switch
Press this button to lower the illumination intensity of the analog meter and the
frequency display. Press it once more to restore full brightness.
Advice: Menu Items “008 diSP DIM MTR” and “009 diSP DIM VFD” allow you to
configure the dimming levels for the analog meter and the frequency display
independently, so you can customize the brightness levels.
3. MOX Switch
Pressing this button engages the PTT (Push to Talk) circuit, to activate the transmitter.
It must be turned off the red LED inside this button for reception. This button
replicates the action of the Push to Talk (PTT) switch on the microphone. When
engaging the [MOX] button (the LED inside this button glows red) or otherwise
causing a transmission to be started, be certain you have either an antenna or 50-Ohm
dummy load connected to the selected Antenna jack.
4. VOX Switch
This button enables automatic voice-actuated transmitter switching in the SSB, AM,
and FM modes. While activated, the LED inside this button glows red. The controls
affecting VOX operation are the front panel’s [VOX] and [DELAY] knobs. By proper
adjustment of these controls, hands-free voice-actuated operation is possible.
5. TUNE Switch
This is the on/off switch for the FT-2000’s Automatic Antenna Tuner.
Pressing this button momentarily places the antenna tuner in line between the
transmitter final amplifier and the antenna jack (“TUNER” icon will appear in the
display). Reception is not affected.
Pressing and holding in this button for 1/2 second, while receiving in an amateur band,
activates the transmitter for a few seconds while the automatic antenna tuner
rematches the antenna system impedance for minimum SWR. The resulting setting is
automatically stored in one of the antenna tuner’s 100 memories, for instant automatic
recall later when the receiver is tuned near the same frequency.
Pressing this button momentarily, while the Tuner is engaged, will take the Automatic
Antenna tuner out of the transmit line.

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Note: When the Automatic Antenna tuner is tuning itself, a signal is being transmitted.
Therefore, be absolutely certain that an antenna or dummy load is connected to the
selected antenna jack before pressing and holding in the [TUNE] button to start
antenna tuning.
6. ANTTENA Select Switch
[1/2]: pressing this selects either the ANT 1 or 2 jack on the rear panel, and allows
convenient antenna switching at the press of button. The selected antenna jack is
indicated at the upper right corner of the display.
[RX]: normally, the antenna connected to the ANT 1 or 2 jack is used for receive (and
always used for transmit). When this switch is pressed, an antenna connected to the
RX ANT is used during receive.
7. PHONES Jack
A 1/4-inch, 3-contact jack accepts either monaural or stereo headphones with 2- or
3-contact plugs. When a plug is inserted, the loudspeaker is disabled. With stereo
headphones such as the optional YH-77STA, you can monitor both Main (VFO-A) and
Sub (VFO-B) receiver channels at the same time during Dual Receive operation.
Note: When wearing headphones, we recommend that you turn the AF Gain levels
down to their lowest settings before turning power on, to minimize the impact on your
hearing caused by audio “pops” during switch-on.
8. KEY Jack
This 1/4-inch, 3-contact jack accepts a CW key or keyer paddles (for the built-in
electronic keyer), or output from an external electronic keyer. Pinout is shown on page
xx. Key up voltage is 5 V, and key down current is 1 mA. This jack may be configured
for keyer, “Bug,” “straight key,” or computer keying interface operation via Menu item
“051 A1A F-TYPE” (see page xx). There is another jack with the same name on the rear
panel, and it may be configured independently for Internal Keyer or
pseudo-straight-key operation.
Note: You cannot use a 2-contact plug in this jack (to do so produces a constant “key
down” condition).
9. Microphone Connector
This 8-pin jack accepts input from a microphone utilizing a traditional YAESU
HF-transceiver pinout.

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10. MONI (Monitor) Switch
This button enables the transmit monitor in all modes (except CW, in which the
monitor function is always on, to produce the sidetone). While activated, “MONI” icon
appears in the display. Adjustment of the Monitor level is accomplished using the
[MONI] knob.
Advice: When using headphones, the Monitor is highly useful for making adjustments
to the Parametric Equalizer or other voice quality adjustments, because the voice
quality heard in the headphones is such a “natural” reproduction of the transmitted
audio quality.
11. PROC (Processor) Switch
This button enables the RF speech processor for SSB transmission. While activated,
“PROC” icon appears in the display. Adjustment of the Processing level is accomplished
using the [PROC] knob.
Advice:
 The Speech Processor is a tool for increasing the average power output through a
compression technique. However, if the [PROC] level control is advanced too far, the
increase in compression becomes counter-productive, as intelligibility will suffer.
We recommend that you monitor the sound of your signal using the Monitor (with
headphones).
 When the optional Data Management Unit (DMU-xxxx) is connected, you may use
the Audio Scope/Oscilloscope page to help you adjust the setting of the compression
level of the Speech Processor for optimum performance using your voice and
microphone.
12. KEYER Switch
This button toggles the internal CW keyer on and off. While activated, “KEYER” icon
appears in the display. The Keyer sending speed and the CW Hang Time are adjusted
via the front panel’s [SPEED] and [DELAY] knobs.
13. ATT Switch
This button selects the degree of attenuation, if any, to be applied to the receiver input.
Available selections are –6 dB, –12 dB, –18 dB, or OFF, and the “ATT” icon will change
according to the attenuation level selected.
Advice:

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 The Attenuator effects to both the Main (VFO-A) and Sub (VFO-B) bands.
 The Attenuator may be used in conjunction with the [IPO] switch to provide two
stages of signal reduction when an extremely strong signal is being received.
14. IPO (Intercept Point Optimization) Switch
This button may be used to set the optimum receiver front end characteristics of the
receiver circuit for a very strong-signal environment. Available selections are AMP 1
(low distortion amplifier), AMP 2 (high gain amplifier), or ON (bypasses the front end
RF amplifier), and “IPO” icon will change according to the bandwidth selected.
Advice: The IPO switch effects to both the Main (VFO-A) and Sub (VFO-B) bands.
15. R.FLT Switch
This button selects the bandwidth for the Main Band (VFO-A) receiver’s first IF
Roofing Filter. Available selections are 3 kHz, 6 kHz, 15 kHz, or Auto, and the “R.FLT”
icon will change according to the bandwidth selected.
Advice:
 The Roofing Filter effects to the Main band (VFO-A) only.
 Because the roofing filter is in the first IF, the protection it provides against
interference is quite significant. When set to AUTO, the SSB bandwidth is 6 kHz,
while CW is 3 kHz and FM/RTTY are 15 kHz. On a crowded SSB band, however,
you may wish to select the 3 kHz filter, for the maximum possible interference
rejection.
16. AGC Switch
This button selects the AGC characteristics for the receiver. Available selections are
FAST, MID, Slow, or Auto, and the “AGC” icon will change according to the AGC
characteristics selected.
When the [AGC] button is pressed independently, it operates to Main band (VFO-A).
When press the [B] button (within five seconds of pressing the [B] switch) followed by
the [AGC] button, it operates to Sub band (VFO-B).
Advice: The Attenuator may be used in conjunction with the [IPO] button to provide
two stages of signal reduction when an extremely strong signal is being received.
17. NB Switch
This button turns the IF Noise Blanker on and off.
Press this button momentarily to reduce a short pulse noise, and “NB” icon appears in

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the display.
Press and hold in this button for one second to reduce a longer duration man-made
pulse noise, and “NB” icon will blinks for three second then appears continuously in
the display.
Press this button again to disable the noise blanker, and disappear the “NB” icon.
Advice: When press (or press and hold) the [AGC] button independently, it operates to
Main band (VFO-A). When press the [B] button, then (within five seconds of pressing
the [B] button) pressing (or press and holding) the [AGC] button, it operates to Sub
band (VFO-B).
18. METER Switch
This control switch determines the function of the meter during transmission.
COMP: Indicates the RF speech compressor level (SSB modes only).
ALC: Indicates the relative ALC voltage.
PO: Indicates the power output level.
SWR: Indicates the Standing Wave Ratio (Forward: Reflected).
ID: Indicates the final amplifier drain current.
VDD: Indicates the final amplifier drain voltage.
19. MONI -o- PROC Knobs
MONI Knob
The inner [MONI] knob adjust the audio level of the transmit RF monitor during
transmission (relative to the AF GAIN control), when activated by the [MONI] button.
PROC Knob
The outer [PROC] knob sets the compression (input) level of the transmitter RF speech
processor in the SSB and modes, when activated by the [PROC] button.
20. BK-IN Switch
This button turns the CW break-in capability on and off. While the CW break-in is
activated, “BK-IN” icon appears in the display.
21. SPOT Switch
This button turns on the CW receiver spotting tone; by matching the SPOT tone to that
of the incoming CW signal (precisely the same pitch), you will be “zero beating” your
transmitted signal on to the frequency of the other station.

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22. SPEED -o- PITCH Knobs
SPEED Knob
The inner [SPEED] knob adjusts the keying speed of the internal CW keyer. Clockwise
rotation increases the sending speed.
PITCH Knob
The outer [PITCH] knob selects your preferred CW tone pitch (from 300 ~ 1000 Hz, in
50 Hz increments). The Tx sidetone, receiver IF passband, and display offset from the
BFO (carrier) frequency are all affected simultaneously. The Pitch control setting also
affects the operation of the CW Tuning Indicator, as the center frequency of the CW
Tuning Indicator will follow the setting of this control.
23. NB -o- SQL Knobs
NB Knob
The inner [NB] knob adjusts the Main band’s (VFO-A) noise blanking level when the
(analog) IF noise blanker is activated by pressing the [NB] button.
Advice: The Sub band’s (VFO-B) noise blanking level adjusts via Menu item “035 GEnE
SNB LVL.”
SQL Knob
The outer [SQL] knob sets the signal level threshold at which Main (VFO-A) receiver
audio is muted, in all modes. It is very useful during local rag-chews, to eliminate noise
between incoming transmissions. This control is normally kept fully counter-clockwise
(off), except when scanning and during FM operation.
24. MIC -o- RF PWR Knobs
MIC Knob
The inner [MIC] knob adjusts the microphone input level for (non-processed) SSB
transmission.
Advice: If you adjust the MIC Gain while speaking in a louder-than-normal voice level
and watching the ALC level, adjusts the MIC Gain so that the ALC reaches over to the
right edge of the ALC scale. Then, when you speak in a more normal voice level, you’ll
be certain not to be over-driving the mic amplifier stage.
RF PWR Knob
The outer [RF PWR] knob is the main RF Power output control for the transceiver,
active in all operating modes. Clockwise rotation increases the power output. Adjust
this control for the desired power output from the FT-2000.

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25. VOX -o- DELAY Knobs
VOX Knob
The inner [VOX] knob sets the gain of the VOX circuit, to set the level of microphone
audio needed to activate the transmitter during voice operation while the [VOX] switch
is engaged. The [VOX] switch must be switched “ON” to engage the VOX circuit.
DELAY Knob
The outer [DELAY] knob sets the hang time of the VOX circuit for voice operation and
keying delay for CW operation.
In the voice operation, this knob sets the hang time, between the moment you stop
speaking, and the automatic switch from transmit back to receive. Adjust this for
smooth VOX operation, so the receiver is only activated when your transmission is
ended and you wish to receive.
For CW operation, this knob sets the keying delay, between the moment you stop
sending, and the automatic switch from transmit back to receive during
“Semi-break-in” operation. Adjust this just long enough to prevent the receiver from
being restored during word spaces at your preferred sending speed.
26. SUB SQL Knob
This knob sets the signal level threshold at which Sub (VFO-B) receiver audio is muted,
in all modes. It is very useful during local rag-chews, to eliminate noise between
incoming transmissions. This control is normally kept fully counter-clockwise (off),
except when scanning and during FM operation.
27. SUB AF GAIN -o- SUB RF GAIN
AF GAIN Knob
The inner [SUB AF GAIN] knob sets the Sub (VFO-B) receiver’s audio volume level.
Typically, you will operate with this control set past the 9 o’clock to 10 o’clock position.
RF GAIN Knob
The outer [SUB RF GAIN] knob is the Sub (VFO-B) receiver’s RF gain control, which
adjusts the gain of the Sub (VFO-B) receiver’s RF and IF amplifier stages. This control
is normally left in the fully clockwise position.
28. AF GAIN -o- RF GAIN Knobs
The inner [AF GAIN] knob sets the Main (VFO-A) receiver’s audio volume level.
Typically, you will operate with this control set past the 9 o’clock to 10 o’clock position.
RF GAIN Knob

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The outer [RF GAIN] knob is the Main (VFO-A) receiver’s RF gain control, which
adjusts the gain of the Main (VFO-A) receiver’s RF and IF amplifier stages. This
control is normally left in the fully clockwise position.
29. F1 - F7 / DISPLAY Keys
These keys can be used to control the Voice Memory capability for the SSB/AM/FM
modes, and the Contest Keyer for the CW mode. You can also play back up to 30
seconds of incoming received audio, as well as, for verification of a missed callsign or
other purposes. When the optional DMU-2000 Data Management Unit is connected,
you can also use to “Function” keys for the various functional associated with each
page of the operational capability.
[F1(CH 1)] - [F4(CH 4)] key
In the case of Voice Memory, up to 20 seconds of audio may be stored on each channel.
For CW messages, up to 50 characters (“PARIS” specification) may be stored into each
channel. See page xx (Voice Memory) or page xx (Contest Keyer) for details.
[F5(MEM)] Key
This key is pressed for the purpose of storing either a Voice Memory or a Contest Keyer
Memory channel’s contents. See page xx (Voice Memory) or page xx (Contest Keyer) for
details.
[F6(DEC)] Key
When utilizing the sequential contest number capability of the Contest Keyer, press
this key to decrement (back up) the current Contest Number by one digit (i.e. to back
up from #198 to #197, etc.). See page xx (Voice Memory) or page xx (Contest Keyer) for
details.
[F7(P.BACK)] Key
Press and hold in this button for 2 seconds to activate the recording feature of the
internal Digital Voice Recorder. The Voice Recorder allows you to record the Main band
(VFO-A) receiver audio for the most-recent 30 seconds. While you’re recording the
receiver audio, “REC” icon will appear in the display.
Press and hold in this button for 2 seconds once more to stop the recording, then press
this button momentarily again to play back the receiver audio for the most-recent 30
seconds of reception before you stopped the recording.
While playing back the receiver audio, “PLAY” icon will appear in the display.
Press and hold in this button for 2 seconds again to resume recording.
[DISPLAY] Key
Press and hold this key for two seconds the [F1(CH-1)] - [F7(P.BACK)] keys will act as

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“Function” key for the optional DMU-2000 Data Management Unit if connected.
30. MODE Switches
A, B Switch
Pressing the [A] or [B] button will illuminate the respective indicator imbedded within
the switch, allowing adjustment of the operating mode on the Main (VFO-A) or Sub
(VFO-B) band. Usually, the [A] button glow Red, signifying Main band (VFO-A) is being
adjusted. Similarly, pressing the [B] button will cause its indicator to blinks Orange for
five second, signifying Sub band (VFO-B) adjustment.
Advice: When changing bands, confirm the [A] or [B] button lighting at first,
then press
the appropriate [BAND] button, so as to change operating frequencies on the proper
(Main or Sub) band.
LSB, USB, CW, AM/FM, RTTY, PKT Switch
Pressing the [LSB], [USB], [CW], [AM/FM], [RTTY], or [PKT] button will select the
operating mode. Pressing the [CW], [AM/FM], [RTTY], or [PKT] button multiple times
will switch between the alternate operating features that can be used on these modes
(covered later).
31. QMB (Quick Memory Bank) Switch
STO (Store) Button
Pressing this button copies operating information (frequency, mode, bandwidth, and
also repeater direction/shift frequency and CTCSS functions on the FM mode) into
consecutive QMB Memories.
RCL (Recall) Button
Pressing this button recalls one of up to five Quick Memory Bank memories for
operation.
32. NAR (Narrow) Switch
In the SSB/CW mode on the Main band (VFO-A), this button is used to set the
bandwidth of the EDSP (digital) IF filters to a user-programmed bandwidth (default
values are SSB: 1.8 kHz and CW/RTTY/PSK: 300 Hz).
Advice: When [NAR] has been engaged, the [WIDTH] knob will be disabled, although
[SHIFT] knob still works normally.
In the SSB/CW mode on the Sub Band (VFO-B), this button is used to toggle the
receiver’s bandwidth between wide (2.4 kHz) and narrow (1.0 kHz).

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Advice: When the optional YF-122C (500 Hz) or YF-122CN (300 Hz) CW narrow filter
is installed, activate the narrow filter while the [NAR] switch has been engaged on the
CW/RTTY/PSK mode.
In the AM mode, this button is used to toggle the receiver’s bandwidth between wide (9
kHz) and narrow (6 kHz).
In the FM mode on the 28 MHz and 50 MHz bands, this button is used to toggle the
FM deviation/bandwidth between wide (±5.0 kHz Dev./25.0 kHz BW) and narrow (±2.5
kHz Dev./12.5 kHz BW).
Pressing the [A] or [B] button (located above the MODE selection buttons) will select
either the Main band (VFO-A) or Sub band (VFO-B) for individual bandwidth setting.
33. SPLIT Switch
Pressing this button to activates split frequency operation between the Main band
(VFO-A), used for transmission and Sub band (VFO-B), used for reception. If you press
and hold in the [SPLIT] button for two seconds, the “Quick Split” feature will be
engaged, whereby the Sub band VFO (VFO-B) will automatically be set to a frequency
5 kHz higher than the Main band (VFO-A) frequency with same operating mode, and
the transceiver will be placed in the Split mode.
34. TXW “TX Watch” Switch
Pressing this button lets you monitor the transmit frequency when split frequency
operation is engaged. Release the button to return to normal operation.
35. C.S Switch
Press this button momentarily to recall a favorite Menu Selection directly.
To program a Menu selection as the short-cut, press the [MENU] button to enter the
Menu, then select the Menu item you want to set as the short-cut. Now press and hold
in the [C.S] button for two seconds; this will lock in the selected Menu item as the
short-cut.
36. RX Indicator/Switch
This button, when pressed, engages the Main band (VFO-A) receiver; the LED inside
this button will glow Green when the Main receiver is active.
When the Main (VFO-A) receiver is active, pressing this button momentarily will mute
the receiver, and the indicator will blink. Pressing the button once more will restore
receiver operation, and the indicator will glow Green steadily.

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37. TX Indicator/Switch
When this button is pushed, the LED inside this button will glow Red, and the
transmitter will be engaged on the same frequency and mode as set up for the Main
band (VFO-A) (subject to any Clarifier offset, of course).
Advice: If this indicator is not illuminated, it means that the Sub (VFO-B) TX indicator
has been selected (it will be glowing Red). In this case, transmission will be effected on
the frequency and mode programmed for the Sub (VFO-B) band.
38. Main Tuning Dial Knob
This large knob adjusts the operating frequency of the Main band (VFO-A) or a
recalled memory. Clockwise rotation of this knob increases the frequency. Default
tuning increments are 10 Hz (100 Hz in AM and FM modes); when the [FAST] button
is pressed, the tuning steps increase. The available steps are:
Operating Mode 1Step* 1 Dial Rotation
LSB/USB/CW/RTTY/PKT(LSB) 10 Hz (100 Hz) 10 kHz (100 kHz)
AM/FM/PKT(FM) 100 Hz (1 kHz) 100 kHz (1 MHz)
* Numbers in parentheses indicate steps when the [FAST] button is On.
Advice: The tuning steps for the Main Tuning Dial knob are set, at the factory, to 10 Hz
per step. Via Menu item “115 tun DIALSTP,” however, you may change this setting
from 10 Hz to 1 Hz instead. When 1 Hz basic steps are selected, the action of the
[FAST] button will be changed to 1/10 of the values listed above.
39. FAST Switch
Pressing this button will increase or decrease the tuning rate of the Main Tuning Dial
knob by a factor of ten, as mentioned in the previous section.
When this function is activated, “FAST” icon appears in the display.
40. LOCK Switch
This button toggles locking of the Main Tuning Dial knob, to prevent accidental
frequency changes. When the button is active, the Main Tuning Dial knob can still be
turned, but the frequency will not change, and “LOCK” icon appears in the display.
41. A>B Switch
Press this button momentarily to transfer data from the Main band (VFO-A) frequency
(or a recalled memory channel) to the Sub band (VFO-B), overwriting any previous

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contents in the Sub band (VFO-B). Use this key to set both Main band (VFO-A) and
Sub band (VFO-B) receivers to the same frequency and mode.
42. A<>B Switch
Pressing this button momentarily exchanges the contents of the Main band (VFO-A)
(or a recalled memory channel) and the Sub band (VFO-B).
43. V/M Switch
This button toggles Main band (VFO-A) receiver operation between the memory system
and the VFO. Either “MR” or “MT” will be displayed to the under the main frequency
display field to indicate the current selection. If you have tuned off of a Memory
channel frequency (MT), pressing this button returns the display to the original
memory contents (MR), and pressing it once more returns operation to the Main VFO
(no icon).
44. M>A Switch
Pressing this button momentarily displays the contents of the currently-selected
memory channel for three seconds.
Holding this button in for 2 seconds copies the data from the currently-selected
memory to the Main VFO (VFO-A), as two beeps sound. Previous data in the Main
VFO will be overwritten.
45. A>M Switch
Pressing and holding in this key for 1/2 second (until the double beep) copies the
current operating data from the Main band (VFO-A) into the currently selected
memory channel, overwriting any previous data stored there.
Also, pressing and holding in this button after recalling a memory, without first
retuning, causes the memory channel to be “masked,” and repeating the process
restores the masked memory.
46. MENU Switch
This button is used for gaining access to the Menu system, for configuring various
transceiver characteristics. Menu operation is described in detail, in this manual,
beginning on page xx.
Important note: pressing this button momentarily activates the Menu, and the Menu
items will appear on the display; once you are finished, you must press and hold in the

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[MENU] button for two seconds to save any configuration changes (momentarily
pressing the [MENU] button to exit will not save the changes).
47. BAND Keys
These keys allow one-touch selection of the desired Amateur band (1.8 ~ 50 MHz).
What’s more, these keys may be used for direct entry of a desired operating frequency
during VFO operation.
48. RX CLAR Switch
Pressing this button activates the RX Clarifier, to allow offsetting the Main (VFO-A)
receiving frequency temporarily. Press this button once more to return the Main
receiver to the frequency shown on the main frequency display field; the Clarifier offset
will still be present, though, in case you want to use it again. To cancel the Clarifier
offset, press the [CLEAR] button.
49. TX CLAR Switch
Pressing this button activates the TX Clarifier, to allow offsetting the Main (VFO-A)
transmit frequency temporarily.
Press this button once more to return the transmitter to the Main (VFO-A) frequency
shown on the main frequency display field; the Clarifier offset will still be present,
though, in case you want to use it again. To cancel the Clarifier offset, press the
[CLEAR] button.
50. CLEAR Switch
Pressing this button clears out any frequency offset you have programmed into the
Clarifier register (thereby setting the offset to “Zero”).
51. CLAR Knob
This knob tunes the Clarifier offset frequency up to 9.99 kHz.
52. VRF Knob
This knob tunes the passband of the VRF (Variable RF Filter) preselector circuit for
maximum receiver sensitivity (and out-of-band interference rejection).
Advice:
 The relative position of the VRF passband can be observed on the Tuning Offset
Indicator of the display via Menu item “010 diSP BAR SEL.”