Garmin Apollo CNX80, Installation Manual

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Post-Installation Configuration & Checkout
Apollo CNX80 Installation Manual 560-0982-00 Rev D 3-11
3.3.1.1.2 CDI Deviation Test
The CDI TEST page allows testing of the CDI deviation outputs for both the Main and Auxiliary CDI
outputs. While on the TEST menu page, press the
CDI TEST
line select key to display the CDI TEST
Page. Press the
SELECT
line select key to toggle between MAIN and AUX CDI deviation tests. The
MAIN CDI test screen is shown in Figure 3-12, and the AUX CDI test screen is identical.
Figure 3-12 – Main CDI Test Page
When on the appropriate page turn the large, outer knob to select the desired CDI deviation test. The test is
initiated as soon as it is selected. There are five CDI tests in the following order:
•
CDI TRIANGLE TEST: gradually drives the CDI needle left and then right.
•
CDI LEFT TEST: drives the external CDI needle full scale left (i.e. output set to 150 mV left).
•
CDI MID TEST: drives the external CDI needle to the center (i.e. output set to 0mV).
•
CDI RIGHT TEST: drives the external CDI needle full scale right (i.e. output set to 150 mV
right).
•
CDI MANUAL TEST: allows manual input of CDI outputs (from 10L to 10R in 15 mV steps,
with 10 corresponding to a full scale output of 150 mV, and 0 corresponding to center).
As a minimum, perform the LEFT, MID and RIGHT tests for the lateral deviation needle of each CDI
connected to the CNX80.
Press the
TEST
or
BACK
smart key to return to the Ground Maintenance Test menu.
3.3.1.1.3 VDI Test
The VDI TEST page allows testing of the VDI deviation outputs for both the Main and Auxiliary CDI
outputs. While on the TEST menu page, press the
VDI TEST
line select key to display the VDI TEST
Page. Press the SELECT line select key to toggle between MAIN and AUX VDI deviation tests. The
AUX VDI test screen is shown in Figure 3-13, and the MAIN VDI test screen is identical.