Page 1-6
G1000/GFC 700 Post Installation Checkout Procedure - Hawker / Beechcraft King Air C90
Revision 5
190-00682-00
1.5
G1000 Control Interface
Control and operation of the following G1000 and GFC 700 equipment occurs through the PFDs, MFD,
GMC , GCU or GMA 1347D audio panels. See the following documents for detailed information
regarding control and operation.
•
G1000/GFC 700 and TAWS in Hawker Beechcraft King Air C90A/GT Airplane Flight Manual
Supplement, Garmin P/N 190-00682-02 Revision A or later.
•
G1000 in Hawker Beechcraft King Air C90A/GT Cockpit Reference Guide, Garmin P/N 190-
00664-00 Revision A or later.
1.5.1
GMC 710 AFCS Controls
The dedicated AFCS controls on the GMC 710 allow crew control interface with the various GFC 700
autopilot / flight director functions. GMC 710 controls are discussed in detail in the G1000 CRG.
1.5.2
GCU 475 FMS Controller
The GCU 475 functions as the primary control interface to the GDU 1500 MFD, since the MFD does not
possess any knobs or controls other than softkeys.
1.5.3
GMA 1347D Control
The Garmin GMA 1347D audio panels integrate NAV/COM digital audio, intercom system and marker
beacon controls. Manual display reversion mode (red DISPLAY BACKUP button) for PFD1, PFD2, and
MFD is controlled by the GMA 1347D. Warning and alert audio received by the GMA 1347Ds is
processed by and received from the GIA 63W Integrated Avionics Units (IAUs).
1.5.4
GRS 77 Attitude and Heading Reference System
The Garmin GRS 77 is an attitude and heading reference systems (AHRS) that provides aircraft attitude
(roll, pitch, and heading), angular rate and acceleration information to the GMUs, GIAs, GDU 1500 and
GDU1040A LRUs.
1.5.5
GDC 74B Air Data Computer
The Garmin GDC 74B processes data from the pitot/static system as well as the OAT probe. This unit
provides pressure altitude, airspeed, vertical speed and OAT information to the G1000 system, and
communicates with the on-side GIA 63W, on-side GDU 1040A and on-side GRS 77, using an ARINC 429
digital interface.
1.5.6
GIA 63W Integrated Avionics Unit (IAU) – (WAAS Enabled)
The Garmin GIA 63W functions as main communication hub to the G1000 system linking all LRUs with
the PFD and MFD displays. The GIA 63W contains the GPS/WAAS receiver, VHF COM/NAV receivers,
and system integration microprocessors.
1.5.7
GEA 71 Engine/Airframe Unit
The Garmin GEA 71 Engine/Airframe unit receives and processes signals from engine sensors.
Communication interface is to GIA63W via RS-485.
1.5.8
GDL 69A Data Link
The Garmin GDL 69A Data Link is an XM Satellite Radio data link receiver that receives broadcast
weather data and XM Satellite Radio. The GDL 69A is a derivative of the GDL 69 and provides the same
functionality as the GDL 69 except for the addition of XM Satellite Radio audio entertainment.
