2
Mount the T-bracket to the back of the horn as shown
using the (2) ½ inch screws provided.
"C" CLAMP FOR "I" BEAM MOUNTING
A "C" clamp is provided with the horns to allow
mounting to a beam. Place the bolt through the hole in
the bottom of the base to secure the "C" clamp to the
beam. It is suggested that the horn be mounted to the
underside of the "I" beam to provide maximum
positioning adjustments. Mount "C" clamp with (2) ½
inch screws provided.
TECHNICAL ASSISTANCE
When trouble is reported, verify the unit is properly
connected and there are no broken connections leading
to this unit. Ascertain volume control is turned up.
Assistance in troubleshooting is available from the
factory. When calling, you should have a VOM and a
test set and call from the job site. Call (540) 563-2000
for Technical Support or (540) 767-1555 for Valcom
24-hour Automated Support or visit our website at
http://www.valcom.com.
Valcom equipment is not field repairable. Valcom, Inc.
maintains service facilities in Roanoke, VA. Should
repairs be necessary, attach a tag to the unit clearly
stating company name, address, phone number, contact
person and the nature of the problem. Send the unit to:
Repair and Return Dept.
Valcom, Inc.
5614 Hollins Road
Roanoke, VA 24019-5056
TROUBLESHOOTING CHART
PROBLEM
PROBABLE CAUSE AND CORRECTION
No Sound
- Check volume control turned up (clockwise).
- Check presence and polarity of -24VDC and GND.
- Using a telephone test set, check for the proper audio level on the Tip and Ring
leads and if necessary also at the source.
Low Volume
- Check volume control is turned up (clockwise).
- Check voltage at the horn when in use, -20 to -24VDC required.
- Using a telephone test set, check for proper audio level on Tip and Ring leads.
It is possible that some low level audio will be heard with only one side of Tip
and Ring connected.
Loud Squeal
- Lower volume of horn.
- Aim horn in different direction.
- Increase the distance between the telephone and horn.
- Install a confidencer on the telephone in severe problem areas.
- Add a V-9964, Stacking Feedback Eliminator.
