Audio Panel Failure - Textron Cessna Grand Caravan Ex 208B Pilot's Operating Handbook And Faa Approved Airplane Flight Manual

SECTION 3
ABNORMAL PROCEDURES
AVIONICS/AUTOPILOT
DR OR LOI INDICATION COMES ON HSI INDICATOR
(Continued)
Loss Of Integrity (LOI) Mode active when airplane is within 30 NM of
destination airport. Distance calculated from the previous GPS or DR
position.
1. Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FLY
Towards known visual conditions or available terminal
navigation sources. Use ATC or other information sources as
possible.
•
All information derived from GPS or DR is removed from
displays.
•
The airplane symbol is removed from all maps. The map
will remain centered at the last known position. NO GPS
POSITION shown in center of map.
•
TAWS will be inoperative.

AUDIO PANEL FAILURE

Audio panel failure may be indicated by a GMA FAIL message or the
inability to communicate using the audio panel. This failure may also be
accompanied by the loss of some aural warnings such as Altitude Alert,
Autopilot Disconnect, TAWS, and Traffic alerts.
1. AUDIO 1 Circuit Breaker . . . . . . . . . . . . . . . . . . OPEN (pull out)
2. COM Radio . . . . . . . . . . . USE COM1 FOR COMMUNICATION
In the event of an audio panel failure, a fail-safe circuit
connects the pilot's headset directly to the COM 1 radio.
The speakers will be inoperative.
3-74
(Continued)
NOTE
(AVN BUS 1, second row, first breaker from left side)
NOTE
U.S.
CESSNA
MODEL 208B 867 SHP
GARMIN G1000
FAA APPROVED
208BPHCUS-00