Users Manual Part 1

6 BTR-800, TR-800, TR-825
Wireless Talk Around ............................................. 68
Audio Channel A Options ....................................... 69
Audio Channel B Options ....................................... 70
Special Key Sequences ........................................... 71
Lockout ................................................................... 71
1st Use Default ........................................................ 71
Factory Default ....................................................... 71
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SYSTEM WALK-THRU ................................. 73
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TROUBLESHOOTING ................................. 75
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TECH TIPS .................................................... 77
Frequency Interaction ............................................. 77
Microphone Gain Adjustment ................................. 77
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BATTERY INFORMATION ......................... 79
Cold Temperatures and Batteries ............................ 79
Battery Life: ............................................................ 79
Battery Warnings .................................................... 79
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INTERCOM SYSTEMS 
SPECIFICATIONS ........................................ 81
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ACCESSORIES AND REPLACEMENT
PARTS ............................................................. 83
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CERTIFICATION INFORMATION ............ 87
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THREE BAND BASE STATIONS ................ 89
Identifying a Three Band Unit ................................ 89
Regulatory Changes and the Three Band ................ 89
Changing Channel Maps ......................................... 89