on appropriate receiver, listening for
either radio reception or background
Cycle propeller deice switch
from OFF to AUTO and return
Cycle electric standby fuel
Pull each receiver switch (on audio
control panel) out to the off position
and each receiver volume control
Transmitter selector switches (pilot's
and copilot's audio control panels) -
Audio control panel volume control
(pilots) - Turn fully clockwise.
Listen for excessive noise.
Repeat for other audio control panel.
Receiver/transmitter selectors - Check as
Transmit and receive on each radio
using all microphone switches one
at a time.
Repeat entire procedure for each
audio control panel.