Kenwood TM-261A Instruction Manual page 16

MICROPHONE ® CALL key
MC-53DM Moe
@ VFO key
@ MR key
PF key
Depending on which function you select by accessing "PF"
@ UP button
in Menu B {page 48}, the function of this key differs. Refer
@ DWN button to "CONFIGURING PROGRAM FUNCTION KEYS"
{page 47}.
Press to transmit; release to receive. Also used to exit
various functions such as Scan, DTSS code select, or
Tone/CTCSS frequency select.
@ LOCK switch
Locks all microphone functions except [PTT] and the
DTMF keypad, if equipped.