Installation manual

Installation
26 Apollo GX50/60/65 Installation Manual
"Extended MovMap
Data Format" ................................Enable/Disable extended moving map data.
“A/D CHANNEL 1”.........................Factory use only. Used to check internal circuits and
display voltages.
“EEPROM BYTE 0000:”...............Factory use only. Used to display eeprom setup memory.
GPS NAVIGATION CHECKOUT
Switch on the GX50/60/65 in the normal mode to complete this part of the checkout. The
GX50/60/65 will go through a sequence of self tests.
The GX50/60/65 requires a “seed” position, time, and date for the GPS sensor to know which
satellites to look for. Once this is entered, it will be saved and updated automatically. If the
GX50/60/65 is moved a great distance without being turned on, the seed position may have to
be re-entered.
Entering the seed position:
1. During the display startup sequence, press SEL when the position page is displayed.
2. Rotate the LARGE knob to move the cursor to different fields, rotate the SMALL knob to
input the correct lat/lon, and then press ENT to save the changes.
The seed position can also be input with reference to a waypoint. Refer to the user’s manual
for instructions.
Entering the time and date:
The time and data can be entered after the power up sequence from the nav page display.
1. Press the SYS button, rotate the LARGE knob to display the “SYSTEM INFO” page, and
press ENTER.
2. Press SEL, rotate the LARGE knob to move the cursor to different fields, rotate the SMALL
knob to input the correct time, and then press ENT to save the changes.
GPS Operation and Position
This checkout is to be completed with the aircraft moved away from hangars and other
structures that may obstruct the view of the satellites.
1. Turn on the GX50/60/65 and allow the unit to acquire a position. All other avionics
should be turned off for this part of the test.
2. Check the position using the lat/lon navigation page. Press the
NAV button and rotate the LARGE
knob to the lat/lon page. The lat/lon should agree with a known reference position.
3. Check the signal reception using the GPS sensor displays in the System mode. Press the
SYS button, rotate the LARGE knob to the “GPS SENSOR:” page, and press ENT. Then
rotate the SMALL knob to display the GPS info. Typical signal levels are 50 or better.
4. Turn on other avionics one at a time and check the GPS signal reception to make sure it
is not affected.
5. Check for VHF comm transmitter interference. This must be completed on all IFR
installations.
a) Verify that 5 to 8 satellites are in DATA and the NAV flag is out of view.
b) Tune the comm to 121.150 MHz and transmit for 20 seconds.
c) Verify that the position is not lost.