Appendix A: Maintenance and Troubleshooting
SkyView System Installation Guide - Revision K 15-5
Display Input Voltage
The display's input voltage is list here as VOLTAGE: XX.XXV.
Backup Battery Module Charge State
If there is an SV-BAT-320 backup battery connected to the display, its voltage level is shown
here as BATTERY STATUS: XX.XXV. The battery is fully charged at 12.25V. Charging a completely
discharged battery may take up to 4 hours. To conserve your aircraft battery, the SV-BAT-320 is
only charged with SkyView detects your alternator/generator to be online.
Operational State of the Internal Battery Management Circuitry
The operational state of the display's internal battery management circuitry is listed here. If
there is an SV-BAT-320 backup battery connected to the display, you will see one of the
following states:
CHARGING: SkyView system voltage is above 12.25V. SkyView is running on master
power and is charging the SV-BAT-320.
DISCHARGING: SkyView system voltage is below 10V. SkyView runs on the SV-BAT-320.
The SV-BAT-320 discharges.
CHARGED: SkyView system voltage is above 12.25V, and the SV-BAT-320 is fully charged.
STANDBY: SkyView system voltage is above 10V, but below 12.25V: SkyView runs on
master power but does not charge the SV-BAT-320. To conserve your aircraft battery,
the SV-BAT-320 is only charged with SkyView detects your alternator/generator to be
online.
NO BATTERY: No SV-BAT-320 is connected.
Operational State of the Internal Voltages
There are several important voltages in the display. You will find their statuses here. If they are
all operating at specified levels, then you will see OK. If any voltage is operating out of
specification, you will see X.XV FAIL for that voltage.
Screen Brightness Level
The screen's brightness level is shown here as a percent. For example, 100.0 means 100% and
50.0 means 50%.
Local Light Sensor Output
Each SkyView display has an integrated light sensor on the front bezel and its output is shown
here.
External Light Control Signal Output
SkyView displays are compatible with external light control signals. The state of the external
light control signal is shown here. This feature is not supported in the current release of
SkyView.
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