G900X/G950 Installation and Maintenance Manual – PICP & Warranty Registration
Page C-29
190-00719-00
Revision D
C.2.7
GWX 68 Checkout (if equipped)
NOTE
Before energizing the equipment, be sure microwave radiation safety precautions
including both fuel and personnel safety considerations have been observed. These
include clearing all personnel to an area beyond the maximum permissible exposure level
(MPEL) boundary. The MPEL for the GWX 68 is 11 feet.
Refer to the G900X/G950 Pilot’s Guide for basic operation instructions. Perform a basic functional
operation check on the weather radar by monitoring the MFD weather depiction page and look for display
of weather data.
C.2.8
TAWS Functional Check (if equipped)
Figure C-17. Example Map-TAWS Page
1.
Select the TAWS page on the MFD.
2.
Verify that the title at the top of the page reads “MAP – TAWS”. If TAWS has not been enabled,
the title will read “MAP – TERRAIN PROXIMITY” or “MAP – TERRAIN”.
3.
Press the MENU button and select “Test TAWS” from the pop-up menu.
4.
After the TAWS test has completed, verify that “TAWS System Test OK” is heard over the
cockpit speaker.
5.
Press the MENU button again and select “Inhibit TAWS” from the pop-up menu and press ENT.
Verify “TAWS INHIBIT “ is displayed on the PFD.
6.
Press the MENU button again and select “Enable TAWS” from the prop-up menu and press ENT.
Verify the “TAWS INHIBIT” annunciation on the PFD has extinguished.
7.
With a GPS position acquired, shield or disconnect the GPS antennas to remove the GPS signal.
Verify “DR” shows on the MFD and the “TAWS N/A” annunciation shows on both the MFD and
PFD.
8.
Verify that “TAWS Not Available” is heard over the aircraft audio.
