TM 55-1510-221-10
1. Altitude alert annunciator
2. Altitude pointer
3. MILLIBARS barometric pressure counter
4. IN HG barometric pressure counter
5. BARO knob
6. TEST button
7. Counter drum display
AP 012930
Figure 3-29. Copilot’s Encoding Altimeter
NOTE
feet also nullifies use of the altimeter for
If the altimeter does not read within 70
feet of field elevation, when the correct
local barometric setting is used, the altim-
eter needs calibration or internal failure
has occurred. An error of greater than 70
IFR flight.
d.
Encoding Altimeter - Emergency Operation.
Altimeter circuit breaker - Pull (if encoder fault
occurs).
3-85/(3-86 blank)
