Periodic Maintenance; Equipment Calibration; Cleaning; Altitude Encoder - Garmin GMX 200 Installation Manual

8 P eriodic Maintenance
7 B
The GMX 200 is designed to not require any regular maintenance except as included in this section:
8.1 E quipment Calibration
3 9 B
The GMX 200 design requires no adjustments or calibration to be made.
8.2 C leaning
4 0 B
The front bezel, keypad, and display can be cleaned with a soft cotton cloth dampened with clean water.
DO NOT use any chemical-cleaning agents. Care should be taken to avoid scratching the surface of the
display. The GMX 200 uses a lens coated with a special anti-reflective coating that is very sensitive to
skin oils, waxes and abrasive cleaners.
8.3 A ltitude Encoder
4 1 B
Pressure altitude may be used for the GMX 200 terrain awareness function. If the GMX 200 is installed
in conjunction with an altitude encoder, it is recommended that the encoder be calibrated every 24
months. Refer to the manufacturer's installation and calibration manual.
8.4 M anuals
4 2 B
Incorporate operational test and troubleshooting guides into Aircraft Maintenance manuals. Update the
wiring diagram manual and equipment list as necessary. Add each component to the reliability program as
necessary.
GMX 200 Installation Manual
190-00607-04
Page 8-1
Revision F