ATR833A-II / P/N 833-II (Axxx)-(Axxx)
Operation and Installation
45
Doc.-No. 01.143A.010.71e / Revision 1.00
4.10 Post-Installation Check
When installation is completed all steering and control functions of the
aircraft are to be examined, in order to exclude disturbances by the
wiring.
The SWR shall not exceed 3:1.
Furthermore a test flight is recommended, in order to guarantee the
proper in-flight operation of the radio:
In a flight altitude of at least 2000 ft contact a ground station in a
distance of at least 50 km (30 nautical miles).
Pay attention to unusual electrical interference.
If possible, perform the radio test on frequencies within the upper
and lower VHF communication frequency range
A certified maintenance shop must verify proper operation of
the VHF Transceiver System.