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Consumer Response Group
6500 W. Cortland Street
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Chicago, IL 60707
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Phone: 773-889-8870
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FAX: 773-622-2269
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July 9, 2008 Page 1 of 2
TECHNICAL SERVICE BULLETIN
10062
MODEL(S):
150 GTL DX
DESCRIPTION:
How to increase the talk-back volume.
ACTION:
To increase the talk-back volume, reduce the value of R43. The standard value
of R43 is 47K ohm.
The location of R43 is shown on page 2.
ADJUSTMENTS:
None
NOTES:
If the talk-back volume is turned too high, acoustic feedback can occur which
will cause a squealing noise. The solution is to turn down the talk-back volume.