Cobra 150 GTL DX Reference manual
Consumer Response Group
6500 W. Cortland Street *Chicago, IL 60707 *Phone: 773-889-8870 * 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.
Technical Service Bulletin 10062 Page 2 of 2
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