Gables Engineering G7490-07 - G7490-07 System Description; Panel Controls and Indicators; Transponder and Identification Controls; Input and Display Elements

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Pilot’s Guide G7490-07

G7490-07 (Flight ID/ATC/TCAS) System Description

This control panel is capable of controlling two Dual Mode-S transponders with TCAS

and Flight ID capabilities. This guide describes the operation of the G7490-07 Flight

ID/ATC/TCAS control panel

Panel Controls and Indicators

This section describes the control functions of the G7490-07 Flight ID/ATC/TCAS

control panel. Refer to Figure 1 for location of controls and indicators

1. XPNDR (Transponder) Select Knob – Rotate to select transponder system 1 or system 2.

2. IDENT (Identification) Button – Press to transmit identification information.

3. XPNDR (Transponder) FAIL Indicator – Illuminates when a failure is encountered.

4. FID (Flight Identification) Indicator – Illuminates when Flight Identification (FID) mode is selected.

5. ATC (Air Traffic Control) Indicator – Illuminates when the ATC mode is selected.

6. Display – Digital indication of ATC or FID codes.

7. Keypad Buttons – Press these buttons to enter the ATC or FID code.

8. CLR (Clear) Button – Press to go back one space, or press and hold for 2 seconds to clear display.

9. ENT (Enter) Button – Press to validate and transmit a Flight ID code.

10. ATC/FID Button – Press to switch between the ATC and the FID modes.

11. ABS Button – Press to change traffic altitudes from relative to absolute.

12. RNG+ and RNG- Buttons – Press to increment/decrement TCAS display range to 5, 10, 20, or 40 nm.

13. Mode Select Knob – Rotate to select mode.

14. TEST Button – Press to initiate functional test.

Figure 1 – G7490-07 Controls and Indicators

G7490-07 Pilot’s Guide Rev 01

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