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AT&T DMOH
Troubleshooting
Power LED does not light - Check power supply connection. Turn Power switch On.
Tape plays too fast - Remove cassette and tighten up any slack in the cassette.
Output too low or sounds distorted over telephone - Readjust volume or change
type of output used. Some telephone systems also have a volume control for the
MOH system; this may also require adjustment.
Cannot remove cassette because head is engaged - Turn power off and then on.
Wait for head to retract then remove cassette.
Unit does not preview or download cassette - The DMOH is not compatible with
CrO2 tapes. You must use a proper AT&T Magic On Hold cassette.
Tape does not load properly or drive mechanism continues to spin with the tape in
place - can be caused if an endless-loop tape is inserted into the unit. Do not use
endless-loop tapes.
Unit fails to download or message is very saturated - Check the temperature at the
unit's location. If it is below freezing, let the unit settle at room temperature and try
again.
Care and Maintenance
The impact-resistant housing and quality construction of the DMOH virtually
eliminates the need for service or maintenance.
If the tape drive mechanism receives extensive wear, the tape head, capstan, and
pinch roller can be cleaned with isopropyl alcohol using a cotton-tipped applicator.
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