Garmin AT Inc. AT7000 Manual De Usuario
Troubleshooting
Installation Manual
Page 46
560-0405-00 Rev –
December 14, 2001
© 2001 by UPS Aviation Technologies Inc.
9.2 Interfaces
9.2.1
Buttons
The TEST button located under the front panel fault status LEDs is pushed to initiate the
‘Self Test’ and ‘Leg Fault’ status information.
‘Self Test’ and ‘Leg Fault’ status information.
The front panel buttons under the display are used for navigating display pages as fol-
lows:
lows:
←
and
→
These buttons are used to select the column. When pressing one of these
buttons, the top page of either the previous (
buttons, the top page of either the previous (
←
) or next (
→
) group will be
displayed.
↑
and
↓
These buttons are used to scroll through the pages within a column.
Pressing the
Pressing the
↑
button will move the previous page, the
↓
button will move
to the next page.
Note:
The pages wrap around. The display is used only for displaying trans-
ponder information. No configuration or data can be input using the front
panel display and buttons.
ponder information. No configuration or data can be input using the front
panel display and buttons.
9.2.2
Test Status LEDs
The AT7000 includes six test status LEDs on the front panel. These LEDs are used to
provide transponder test results and are generally used by aircraft mechanics. Failure
lights will stay illuminated for 3 seconds after powering up. Once in the self test mode
the fail light will stay illuminated for 10 seconds. When in this mode, pressing any but-
ton will illuminate the failure for 30 seconds.
provide transponder test results and are generally used by aircraft mechanics. Failure
lights will stay illuminated for 3 seconds after powering up. Once in the self test mode
the fail light will stay illuminated for 10 seconds. When in this mode, pressing any but-
ton will illuminate the failure for 30 seconds.
Table 8 - Status LEDs Summary
LED
Color
Description
XPDR PASS
Green
Transponder pass, turned on if B.I.T.E. passes and the transponder is able
to operate.
to operate.
XPDR FAIL
Red
Transponder fail, turned on if B.I.T.E. fails and the transponder is not able
to receive interrogations or generate replies.
to receive interrogations or generate replies.
CTRL PNL
Red
Control panel fail, turned on if the transponder is not receiving valid con-
trol information on the selected control panel ARINC 429 input port.
trol information on the selected control panel ARINC 429 input port.
TOP ANT
Red
Top antenna fail, turned on if the top antenna B.I.T.E. test fails.
BOT ANT
Red
Bottom antenna fail, turned on if the bottom antenna B.I.T.E. test fails.
ALT
Red
Altitude fail, turned on if a valid altitude is not available from the selected
altitude input or if the altitude compare fails (when enabled).
altitude input or if the altitude compare fails (when enabled).
9.2.3
Maintenance Display Pages
The diagram on the next page illustrates the operating modes and access matrix. The
software version page is displayed only once at power up and is only displayed until the
self-test starts.
software version page is displayed only once at power up and is only displayed until the
self-test starts.