Kenwood TH-77A Instruction Manual page 10

@LAMP key
This switch is used to control the night lamp on the LCD
display. The lamp will turn itself OFF automatically 5
seconds after the last key operation.
Pressing the key within 10 seconds of pressing the F key
will light the lamp on the LCD display parmanently until
pressing this key again.
©RELEASE button
Press this button upward to release the battery pack.
Speaker/
Microphone
@UXU / VM SCAN key
This switch is used to select dual UHF watch operation.
In dual watch operation the V indicator will light on the
previous VHF band display.
Pressing the key within 10 seconds of pressing the F key
will initiate VFO and last memory channel scan.
@CALL/C SCAN key
Press this key to activate the call channel function.
Pressing the key within 10 seconds of pressing the F key
will initiate CALL CHANNEL SCAN .
( Mode key )
When this key is held down and the power switched on,
it becomes the Mode key for switching between the
VFO mode, Memory channel mode, and Call channel
mode.
@BAND / A.B.C.(Automatic Band Change) key
This key is used to exchange the contents of the main
band and sub band.
Pressing the key within 10 seconds of pressing the F key
will transfer the contents of the sub band 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.(A.B.C. function)