Kenwood TH-77A Instruction Manual page 9

®VOL controls
Rotating the control further clockwise will increase the
volume.
@©SAQL(Squelch) controls
These controls are used to select the desired Squelch
threshold level.
@Tuning control
This control is used to select the desired
transmitter / receiver frequency, MHz step, Memory
Channel, Frequency Step, Tone
Direction, etc.
Frequency, Scan
@POWER switch
Press for longer than 0.1 second to turn the transceiver
ON or OFF.
@MONI switch
Pressing this switch will disable the squelch function as
long as the switch is held depressed.
When operating in the CTCSS (Tone Squelch) mode you
can use this switch to determine if the frequency is in
use before transmitting. Pressing this switch will disable
the CTCSS function as long as the switch is held
depressed.
After you press and hold this switch while you turn on
the POWER switch, rotating the Tuning control will
select monitoring band.
-1. Both main and sub band can be monitored.
-2. Main band only can be monitored.
-3. Sub band only can be monitored.
@PTT (Push To Talk) switch
Press this switch whenever you wish to transmit.