User & Installation manual
VHF- Communication Transceiver
Doc.-Nr.:
DE-3000-800100e
KRT2, KRT2M, KRT2RC
Revision 13.0
Jul. 2016
58 / 67
6.11 Post-Installation Check
A certified maintenance shop must verify the proper
operation of the VHF transceiver or as required by national
regulations.
A complete check of all airplane systems is required to certify that the new
wiring is not causing any malfunction.
The standing wave ratio (SWR) must be less than 3:1.
A test flight is recommended to verify proper transceiver operation.
The following items should be checked:
Check transceiver operation with a radio station at least 50 km away
when at 2000ft or above.
Check if there is unusual electrical interference or noise.
If possible check the transceiver operation on low and high
frequencies of the VHF frequency band.
6.12 Starting Up
Switch the unit on with the ON button.
The following display will appear:
The start display shows device type and the software number. It then
changes into the normal operating mode (Direct Input).
