Appendix A: Maintenance and Troubleshooting
23-12 SkyView HDX System Installation Manual - Revision E
Test Procedure:
1. The SV-BAT-320 must be fully charged prior to commencing this test. Reference
SV-BAT-320 Backup Battery Installation, Charging the SV-BAT-320 for
information on charging the SV-BAT-320.
2. Apply power to the SkyView display you will be testing. If all of your SkyView
displays power up from a single switch or circuit breaker, power down any display
other than the unit on which you will perform the SV-BAT-320 test – push and hold
Button 1 (HOLD TO POWER DOWN).
3. Remove power to the SkyView display you will be testing. If all of your SkyView
displays power up (and power down) from a single switch or circuit breaker, push
the POWER OFF button on the SkyView display(s) that are not being tested. That
SkyView display will be powered off.
On the SkyView display that is being tested, during the 30 second power off
countdown, press the TEST BAT button above button 8 (far right button) – see
Figure 134 below.
Figure 134: TEST BAT Button Appears After Removing Power to SkyView Display
4. The BATTERY TEST screen will appear displaying the status of the test. If the SV-
BAT-320 is able to power the system for at least 45 minutes, the SV-BAT-320
passes this test.
5. After the test completes (successfully, or unsuccessfully), the SkyView display will
automatically power off.
6. To see the results of the test, enter the SETUP MENU > LOCAL DISPLAY SETUP
> BATTERY BACKUP (SV-BAT-320) STATUS>TEST RESULTS. Make sure the
TEST RESULT says PASS.
7. The BATTERY TEST can be aborted by pressing the PWR OFF button.
Repeat the test procedure for each SkyView display that has an SV-BAT-320 installed.
This test discharges the SV-BAT-320. Recharging the SV-BAT-320 after the
test is recommended, either by flying for approximately four (4) hours or
reference SV-BAT-320 Backup Battery Installation, Charging the SV-BAT-
320 for information on charging the SV-BAT-320.
See http://dynonavionics.com/docs/support_returns.html for the most current
information on Dynon Avionics warranty terms and conditions.
Note that if an SV-BAT-320 is replaced under warranty, the defective SV-
BAT-320 must be returned (at customer’s expense) to Dynon Avionics to
avoid being charged full purchase price of a new SV-BAT-320.
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