190-02081-03
GFC 600H HFCS Part 27 STC Maintenance Manual
Rev. 3
Page 3-14
3.3.1.2 Software Loading GSU 75H ADAHRS, GRS 79H and GMU 44( ) Magnetometer
A GDU is required to load software to the remote sensors. If installing a GSU 75H or GRS 79H system as
part of this STC modification, use the following instructions to update the sensor software to match the
versions specified in the STC Equipment List (Garmin P/N 005-01095-01).
NOTE
A Garmin GDU 620 or GDU TXi can be used to update the necessary configuration and
software for the GSU 75H, GRS 79H, and GMU 44( ). This manual includes instructions
for completing the configuration using a GDU TXi.
The GDU 700/1060 has two SD card slots that can be used for various tasks. The following list describes
what tasks can be performed from which SD card slot:
• Either slot
◦ Installer Unlock Card
• Top or left slot
◦ Software updates
◦ GSU/GRS log downloads
◦ Flight log download (refer to Section 3.3.1.2.3)
◦ Save configuration to SD card
◦ Save error log to SD card
◦ Load configuration from SD card
3.3.1.2.1 Entering G500H TXi Configuration Mode
The Configuration mode of the GDU 700/1060 can be accessed by holding down the inner knob located at
the bottom right of the unit as shown in Figure 3-8 upon initial power up. The knob must be held in until
the splash screen shown below disappears and the configuration menu appears.
NOTE
When making configuration selections on the GDU 700/1060s, in many cases there is no
dedicated
Enter
selection. The selections made are confirmed when exiting the screen/page.
Figure 3-8 GDU Configuration Mode Home Screen