Table of Contents
Advertisement
2.8.
Post Installation Tests
Note: It is assumed that the "Installation Setup" has been done before the Post Installation
Tests will be carried out.
Once the RT6512 is installed completely perform a test procedure to verify system functionality.
Ensure compliance with authority required procedures. Refer to the installation order of the minor
change document or use an own approved test protocol for VHF units. The following chapter below
provides guidance for such tests.
2.8.1. Mechanical Installation and Wiring Check
•
Verify all cables are securely fixed and shields connected properly to signal ground.
•
Check the movement of aircraft controls to verify there is no interference.
•
Verify all screws are tight, check if all connections are mechanically secured.
2.8.2. Power Supply
•
Check the power supply lines and confirm correct polarity. Don´t apply reverse voltage!
•
Confirm that the aircraft power supply is within the specified limits, with and without a
running engine.
2.8.3. Receiver / Transmitter Operation
•
Power up the RT6512 and tune it to a local station for a communication test.
•
Verify that the receiver output produces a clear and readable audio and ask the local
station for proper readability for the transmit signal of the RT6512.
Repeat this communication test with an airborne station within ≈ 20-40 NM (Nautical
•
Miles).
2.8.4. Antenna Check
•
Check the VSWR (voltage standing wave ratio) over the complete frequency band (e.g. by
using a VHF Reflection-Coefficient Meter).
The VSWR ratio should be less than 2:1 and is not acceptable when exceeding 3:1.
2.8.5. Interference Check
•
Check the RT6512 while engine is running and powered on all other avionics/ electrical
systems on the aircraft, to verify that no significant interference exists.
•
Check also that the RT6512 does not cause significant interference with other systems.
The installer´s standard test procedure may used for the interference check and the following table
can be taken as a reference. Depending on the individual avionic systems installed in the aircraft, it
might be necessary to extend the following checklist accordingly.
DV17501.03 Issue 05 May 2017
RT6512
Installation
Post Installation Tests
45
Advertisement
Table of Contents
