SV-GPS-250/2020 GPS Receiver Installation and Configuration
8-12 SkyView System Installation Guide - Revision AA
On this screen, verify the following:
SERIAL IN DEVICE matches the device connected – either SV-GPS-250 or SV-GPS-2020; if
the incorrect device is selected, no GPS data will be received.
Verify that SERIAL IN FUNCTION is set to POS 1 for the primary (or only) GPS receiver, or
POS 2 for the secondary GPS receiver.
Verify that RX COUNTER and GOOD SENTENCES are incrementing.
SENTENCE ERRORS and GROUP ERRORS should not be (significantly) incrementing.
If POS 1 is shown in Red, another GPS device has already been set as POS 1 and that “conflict”
must be resolved – only one GPS device can be set as POS 1, only one GPS device can be set as
POS 2, etc.
If RX COUNTER and GOOD SENTENCES are not incrementing, check the SV-GPS-250/2020
wiring, specifically that the Gray/Violet and Gray/Orange wires were connected correctly
between the unit and the SkyView display. If you have more than one SkyView display, the SV-
GPS-250/2020 must be connected to all displays.
Part 2 – GPS Receive Performance
To verify that the SV-GPS-250/2020 can receive GPS signals acceptably, move the plane to an
open area with a relatively unobstructed view of the sky. Moving the plane just out of a hangar,
or between two hangars, where a significant portion of the sky is obscured from the view of the
GPS may result in poor performance of the SV-GPS-250/2020.
Go to GPS FIX STATUS to verify that the SV-GPS-250 or SV-GPS-2020 is receiving GPS signals:
SETUP MENU > LOCAL DISPLAY SETUP > GPS FIX STATUS
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