Figure 3-23 - Lamp Outputt - Garmin GNS 480 Installation Manual

3.3.1.1.4 Annunciator Lamp Output Test
The LAMP OUTPUT TEST page allows testing of each of the annunciator outputs. While on the TEST
menu page, press the LAMP OUTPUT TEST line select key to display the LAMP OUTPUT Page. The
LAMP OUTPUT page is shown in Figure 3-23.
Turn the large, outer knob to select the annunciator output to be tested. The currently selected lamp
output is indicated with a white box around it. Turn the small, inner knob to change the setting of the
selected annunciator lamp output – a green background indicates that the annunciator output is ON
(grounded), and a black background indicates that the annunciator output is OFF (open). Details for each
annunciator lamp output that can be tested are found in Table 3-5.
Display
Label Signal Name
MSG Message Annunciate
PTK Parallel Track Annc
SUSP Suspend Annunciate
APR Approach Annunciate
LOI LOI Annunciate
ALT Altitude Alert Annc
PAA Precision Appr
TRM Term Mode Annc
WPT Waypoint Annunciate
BCKCRS Back Course Out
GPSIND GPS Indicator Out
NAVIND NAV Indicator Out
DR Dead Reck Annunciate
For each annunciator that is used, verify proper operation by turning the annunciator ON and OFF.
Press the TEST or BACK smart key to return to the Ground Maintenance Test menu.
GNS 480 (CNX80) Installation Manual560-0982-01 Rev A
Figure 3-23 - Lamp Output Test
Table 3-5 – Lamp Output Test Items
Connector -
Pin Notes
P5-64
P5-62
P5-63
P5-61
P5-65
P5-69
P5-68
P5-67
P5-66
P7-15
P7-17 The GPSIND and NAVIND toggle, so one is always ON
P7-18 The GPSIND and NAVIND toggle, so one is always ON
P5-60
Post-Installation Configuration & Checkout
3-23