User Guide

QUALCOMM Proprietary 27
7 Frequently Asked Questions
This section includes some questions frequently asked by drivers about OmniExpress.
u Display Unit
1. Why is the No Signal light on?
The No Signal Light comes on when
2. How can I increase/decrease the volume on the display?
Use the Volume control key. Press at the top to increase the sound of the message
waiting beep and key clicks. Press the bottom to decrease the sound.
3. Why is my screen blank, completely black?
Try adjusting the Contrast key. Press at the top to increase the contrast on the display.
Press the bottom to decrease the contrast. If this doesn’t resolve the problem, call your
dispatcher or fleet manager.
4. Why does my screen have a bunch of different characters on the display?
This could indicate a problem with the unit. Contact your dispatcher or fleet manager.
5. My keys are pretty sticky, do you know how I can clean them?
You company may have a maintenance program. Contact your dispatcher or fleet manager
and explain the situation.
u Messages
1. Why are my messages disappearing from my display?
This could indicate a problem with the unit. Contact your dispatcher or fleet manager.
2. Dispatch says they aren’t getting my messages. What does XXX mean?
When XXX appears in the status section above a message, the unit didn’t successfully
transmit the message. If the No Signal Light is on, move the vehicle away from any