Flight Manual Supplement
FMS-212-002
Garmin GTN 750Xi / GTN 650Xi Navigators & Garmin GTX 345R Transponder
Revision A
Bell 212
Page 10 of 10
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Section 6. System Description
6.1. Systems
Description
6.1.1. Garmin GTN 650Xi / GTN 750Xi Navigation System
The GTN 750Xi Navigation unit is installed in the instrument panel, and either a GTN 650Xi or
750Xi can be installed in the centre console. If dual GTN 750Xi’s are installed, either position can
be identified as the No. 1 GPS/NAV/COMM. They are fully integrated, panel mounted instruments,
each containing a VHF COM Transceiver, a VOR/ILS Receiver, and a GPS Navigation computer.
Selection and display of the GTN 650Xi / GTN 750Xi navigation sources occurs at G500H TXi
display. Status annunciations are displayed on the G500H TXi display. The remainder of functions
of the GTN 650Xi / GTN 750Xi are accomplished at the respective front panels and touchscreens.
The GTX 345R transponder controls can be accessed via the XPDR key on the GTN 650Xi / GTN
750Xi Navigation Units.
6.1.2. Power
The Garmin GTN 650Xi / GTN 750Xi Navigators and their associated components are protected by
the following circuit breaker:
CB LABEL
AMPS
LOCATION
BUS
NO 1 VHF
5A
OVERHEAD PANEL
ESSENTIAL AVIONICS BUS
NO 1 NAV/GPS
5A
OVERHEAD PANEL ESSENTIAL
AVIONICS BUS
NO 2 VHF
5A
OVERHEAD PANEL
NON-ESSENTIAL AVIONICS BUS
NO 2 NAV/GPS
5A
OVERHEAD PANEL
NON-ESSENTIAL AVIONICS BUS
XPDR 3A
OVERHEAD
PANEL
ESSENTIAL AVIONICS BUS
Table 4 – GTN 650Xi / GTN 750Xi Navigation and Transponder Circuit Breakers