Automatic Band Change) - Kenwood TM-721A Instruction Manual

@) Microphone connector
Plug the standard or optional microphone into this jack.
GND (PTT)
@RX Audio output
(Approx. 150 mvV/600 ©)
~~ @8 V/Max. 15 mA
@ up
Front view
MHz key
This key is used to change frequency in 1 MHz steps
during VFO operations.
Pressing and holding the key will continuously change
the frequency in 1 MHz steps.
@) Sub Tuning control
This control is used to select the desired receive fre-
- quency and Memory channel of the SUB band.
LOCK switch
This key will deactivate all functions except the PTT
switch.
@) BALANCE control
This control proportions the total audio volume among
the two bands.
MAIN position : Audio only from the MAIN band
Center position : Equal audio from both bands
SUB position : Audio only from the SUB band
@2 SUB SOL control
This control is used to select the desired SQL threshold
level of the SUB band.
3 LOW key
This key is used to select the transmit output power
level as follows:
HI {no indicator) : 144 MHz:45 W/430 MHz:35 W
LOW : BW
Re
CALL, 1447440047 FH DUAL BANDER T= 721,
= - T + R€v cTess
SCAN
qd} DIM key
This key is used to select either high or low intensity of
both the LCD display and control's illuminations.
For the key to function, it must be pressed within 5
seconds after pressing the F key.
(3) A.B.C. (Automatic Band Change)
When this key is pressed, the contents of the SUB
band will be transfered to the MAIN band whenever a
signal is received at the SUB band antenna, which is
strong enough to open the squelch. The contents of
the MAIN band are transfered to the SUB band at the
same time.
(§ DUAL band
This key is used to turn the SUB band ON or OFF.
> BAND key
This key is used to change the contents of the MAIN
band.
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