Garmin 327 - Transponder Controls and Functions; IDENT Button Operation; VFR Mode Selection; ON and STBY Modes

Controls and Functions
IDENT – activates Special Position Identification
(SPI) signal for 18 seconds
VFR
Press One – selects ‘1200’ as active code
Press Twice – reverts to previously active code
ON – engages reply to Mode A interrogations
STBY – halts response to all ATCRBS interrogations