GPS 155Xl/GNC 300XL Installation Manual
P/N 190-00067-22 Rev E Page 4-8
The following pages are in the order found when rotating the large knob counterclockwise, starting at the Display
Test page. See Section 4.2 to find out how to get to this page.
4.4.1
Power Test
Select the Power Test page. This page reports the status of the GPS 155XL/GNC 300XL external power source,
remote battery, and internal memory battery. During the power test, "voltage" represents the voltage currently
measured for that function.
The first line of power information shows the following sources of external power:
•
External Power "voltage"
•
Battery Power
•
Wall Adapter
The presence of a wall adapter will override the other two sources. Battery power will not be shown unless the
Remote Battery is selected as "instld" on the Remote Battery Settings Page. The higher voltage of external power or
battery power will determine which is shown.
The next line shows the status of the remote battery as follows:
Rmt Bat none (if Remote Battery is selected as none on the Configuration Page)
Rmt Bat "voltage" "mode" "auto status"
“mode" represents the mode of the charger and is selectable. "On" enables the charger. "Off" disables the charger.
"Auto" enables the charger if the External Power is the current source and its voltage is high enough. When in
"Auto" mode, "auto status" will be either "on" or "off" reflecting whether the charger is enabled or disabled.
The next line reports the status of the internal memory battery as follows:
Mem Bat ok/low.
The “TX” field will light on the display but the transmitter will not actually transmit when the GNC 300XL is
powered from the wall charger.
4.4.2
CDI and Flag Test
Select the CDI Test Page. Using the controls on the GPS 155XL/GNC 300XL front panel, make the selections
indicated below and verify the interfaces as appropriate:
CDI
max left
Ensure the CDI is deflected maximum scale left (10 dots)
full left
Ensure the CDI is deflected full scale left (5 dots)
centered
Ensure the CDI is centered
full right
Ensure the CDI is deflected full scale right (5 dots)
max right
Ensure the CDI is deflected maximum scale right (10 dots)
