AMSC MITSUBISHI OMNIQUEST ST251
COMMON QUESTIONS CONCERNING OPERATION:

 

HOW LONG WILL THE BATTERY LAST IN STANDBY?
8 hours with sleep mode enabled and back light off.

WILL THE BATTERY CHARGE WITH POWER CONNECTED BUT DISPLAY 'OFF'?
Yes, but the lid must be open.

HOW DO I CHECK MY BATTERY CHARGE STATUS?
Press FCN,5,1 during standby or transmit for low battery indication.

WHAT ARE THE SAFETY PRECAUTIONS WE MUST TAKE WHILE OPERATING THE UNIT?
Personnel should stay 24 inches away from antenna during operation.

I AM USING A ST251 WITH AN EXTENDED ANTENNA BUT THE UNIT WILL NOT TURN ON.
Open the lid of the transportable unit- the lid activates a microswitch that will disable the power.

HANDSET INDICATES 'NO SVC' AND I AM UNABLE TO MAKE A CALL
Check the upper right indicator labeled 'S' the number to the right should be greater than 40
Use the antenna positioning map,pg.24 user manual, to determine the proper position of your antenna.
Insure that you are on the proper beam for your area. Use the beam coverage area map which is included with your unit.

 

 

HOW DO I CONNECT THE EXTERNAL ANTENNA.
Locate the 'External Antenna' cover at the rear of the portable unit. Open the cover and disconnect the internal antenna. Now connect the MITSUBISHI external antenna. Remember that the lid of the portable unit must be open in order to operate the unit.

HOW DO I PLACE A CALL FROM THE UNIT?
Enter the area code then the desired number ,then press 'SEND'. NOTE: It is not necessary to use the prefix '1'. When ending the conversation press the 'STO/END' key

THE HANDSET APPEARS TO HAVE QUIT WORKING AND REVERTED TO 'OK*/NG#' STATUS
Call ABLE Communications 281-485-8800 for technical assistance.

WHAT IS THE PURPOSE OF THE PREFIXED 500 NUMBER THAT I HAVE ASSIGNED TO MY UNIT?
It permits you to call another unit within the AMSC system.
To access the 500 number from a land line phone dial 1-703-716-7712 wait for a dial tone then call the 500 number in its entirety.