Version 3.0
169
Engineering Mode
Operator’s Manual
The CDU will go on to conduct a
Contrast
test. Observe that the
display goes through its full range of contrast from white to black.
Highlight
OK
then press
ENT
if it varies correctly or
Fail
if it doesn’t.
Next, the CDU will conduct a
Backlight
test. Observe that the display
goes through its full range of illumination. Highlight
OK
then press
ENT
if it varies correctly or
Fail
if it doesn’t.
Then, the CDU will conduct a
Keylight
test. You may need to dim the
lights in the room or shade the keyboard so that you can see the
backlights behind the function and softkeys. Observe that the keypad
backlights go through their full range of illumination. Highlight
OK
then press
ENT
if it varies correctly or
Fail
if it doesn’t. Next, the CDU
will conduct a
Beeper
test. Listen that the internal beeper activates for
about a second. Highlight
OK
then press
ENT
if it varies correctly or
Fail
if it doesn’t. Finally, the CDU will conduct an
External Alarm
test. Listen that the external alarm activates continuously. Highlight
OK
then press
ENT
if it varies correctly or
Fail
if it doesn’t.
Upon completion of the above tests, a Test Results screen will be
displayed. In addition to the visual tests which you witnessed, the
Summary of Contents for MX500
Page 1: ...oOperator s Installation Manual MX500 Navigation System ...
Page 14: ...Version 3 0 ix Table of Contents Operator s Manual ...
Page 165: ...Version 3 0 151 Configuration Operator s Manual ...
Page 167: ...Version 3 0 153 Datum List Operator s Manual ...
Page 195: ...List of Components Installation Manual Version 3 0 181 APPENDIX F INSTALLATION SECTION ...
Page 196: ...Installation Manual List of Components 182 Version 3 0 SECTION 1 LIST OF COMPONENTS ...
Page 219: ...Installation Notes Version 3 0 205 Installation Manual SECTION 5 INSTALLATION NOTES ...
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