SV-COM-C25 Installation and Configuration
SkyView System Installation Guide - Revision AA 16-19
Displayed COM (Top Bar)
The status of one COM radio can be displayed on the top bar. The radio that is selected here is
also the radio that you can send airports and frequencies to via SkyView’s Map Menu APT>COM
and TUNE COM buttons. See the SkyView Pilot’s User Guide for additional details.
Go to SETUP MENU > SYSTEM SETUP > DISPLAYED COM and select which COM radio
status to display on the Top Bar (or NONE). (To display status of a non-Dynon Avionics
radio, a serial port connection must be installed FROM the radio TO the SkyView
display(s).
Post Installation Checks
On ground
Do all SV-COM-PANEL buttons and knobs function normally?
Verify dim commands from SkyView display dim the backlighting of the SV-COM-
PANEL.
Does the (optional) FLIP/FLOP pushbutton swap the STBY and COM frequencies?
Does pushing the PTT switch cause the SV-COM-C25 to transmit (only) when
pushed?
(Optional, if two SV-COM-C25s installed) Does the PTT Select Switch cause only
the selected radio to transmit when PTT switch is pushed?
Temporarily install a VSWR meter between the SV-COM-C25 and the antenna.
Using brief test transmissions, is the VSWR 3:1 or below? A good installation
should have VSWR of 2:1 or even 1:1. The maximum acceptable VSWR for SV-
COM-C25 is 3:1.
When transmitting on SV-COM-C25, is there any interference to other aircraft
systems?
Power off the SkyView display(s) by pushing and holding Button #1 on the
display. The SV-COM-C25 should continue to operate normally, with the
exception that auto-population of the buttons frequencies will not occur, and a
NO SV error message will appear approx. 3 seconds after SV is not operating.
In Flight
Does the SV-COM-C25 receive other aircraft and ground transmissions at
reasonable ranges?
Does the SV-COM-C25 receive other aircraft and ground transmissions equally
well at the low end, middle, and high end of the Aviation band?
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