Figure 3-26. Pilot's Encoding Altimeter
Turn-on procedure. Encoding altimeter
will operate when transponder is operating with M-C
switch set to center position.
Barometric set knob - Set desired
CODE OFF flag - Check not visible.
Needle indicator - Check operation.
If the altimeter does not read
within 70 feet of field elevation,
when the correct local barometric
setting is used, the altimeter
failure has occurred. An error of
greater than 70 feet also nullifies
use of the altimeter for IFR flight.
Emergency Operation. Altimeter circuit breaker
- Pull (if encoder fault occurs).