Post-Installation Configuration & Checkout
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560-0982-01 Rev A
GNS 480 (CNX80) Installation Manual
3.3.2.4 Interface
Checkout
This section describes checks that can be carried out to verify that systems interfacing to the GNS 480
are communicating properly.
3.3.2.4.1 GNS 480 Message Audio
The GNS 480 can annunciate audio messages through an audio panel. This check verifies that the audio
connection from the GNS 480 to the audio panel is functional. Prior to proceeding with this check,
ensure that the audio panel is set to annunciate the GNS 480 message audio. If the following steps do not
perform correctly, check the electrical connections and AMA volume setting.
1.
Go to the System Configuration page. This page is accessed by pressing the
FN
key repeatedly until
the
SYS
smart key is displayed. The
SYS
smart key is then pressed, followed by the
CNFG
smart
key, if necessary.
2.
While on the System Configuration page, rotate the large, outer knob to scroll down to the
Msg Tone
item
and verify that it is set to
ON
. If it is set to
OFF
, push the small, inner knob in to edit the setting and rotate the
small, inner knob to change the setting to
ON. P
ress the
MENU/ENTER
key to accept the setting.
3.
Rotate the large, outer knob and scroll up to the
Mag Var
setting. Press the small, inner knob in to edit
the setting and rotate the small, inner knob to change the setting to
MANUAL
. As soon as the setting is
changed to MANUAL the GNS 480 will display a “Using Manual Mag Var” message and play the message
tone. Verify that this tone is heard over the audio system.
4.
If necessary, adjust the Message Audio volume level as described below and replay the tone to verify the new
setting.
5.
Return the
Mag Var
setting to AUTO.
Summary of Contents for GNS 480
Page 1: ...GNS 480 CNX80 Color GPS Nav Com Installation Manual September 2004 560 0982 01 Rev A...
Page 10: ...Table of Contents viii 560 0982 01 Rev A GNS 480 CNX80 Installation Manual NOTES...
Page 30: ...General Information 1 20 560 0982 01 Rev A GNS 480 CNX80 Installation Manual NOTES...
Page 126: ...Periodic Maintenance 6 2 560 0982 01 Rev A GNS 480 CNX80 Installation Manual NOTES...
Page 150: ...Appendix D Interconnect Diagrams D 2 560 0982 01 Rev A GNS 480 CNX80 Installation Manual NOTES...
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