ZETRON 748 Technical Manual
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Contents
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Contents025-9368H xiiiREPEATER PANEL FUNCTIONS..................................................................................................... 183Airtime ................................................................................................................................... 183Carrier Squelch Repeat .......................................................................................................... 184Courtesy Bip - Tail Bips ........................................................................................................ 185DTMF Repeat ........................................................................................................................ 186Decode ................................................................................................................................... 187Encode ................................................................................................................................... 187Enabled .................................................................................................................................. 188Encode During TX Hold ........................................................................................................ 189Hog Mode .............................................................................................................................. 190Hog Idle ................................................................................................................................. 190Hog Limit............................................................................................................................... 191Hog Penalty............................................................................................................................ 191ID Rate ................................................................................................................................... 192Initial TX Hold Time - TX Hold Time .................................................................................. 193List Users ............................................................................................................................... 194Morse ID ................................................................................................................................ 195Privacy ................................................................................................................................... 196Reserved................................................................................................................................. 197Stuck Mic ID.......................................................................................................................... 198TX Timeout............................................................................................................................ 199User Range............................................................................................................................. 200VI REPAIR......................................................................................................................................................... 203MISCELLANEOUS SERVICE NOTES ............................................................................................. 203MODEL 7XX AUDIO BLOCK DIAGRAM (006-0077A) ................................................................. 205MODEL 7XX CONTROL BOARD (702-9793D) .............................................................................. 206Parts List ................................................................................................................................ 206MODEL 7XX SINGLE E-E CARD (702-9794A)............................................................................... 217Parts List ................................................................................................................................ 217Parts List ................................................................................................................................ 221MODEL 4XB DIAL CLICK BOARD (702-9242E) ........................................................................... 224Parts List ................................................................................................................................ 224VII QUICK REFERENCE ................................................................................................................................. 227CTCSS TONES.................................................................................................................................... 227DIGITAL SQUELCH CODES ............................................................................................................ 228DTMF-t SIGNALING.......................................................................................................................... 229TWO-TONE SIGNALING .................................................................................................................. 230Two-Tone Timing .................................................................................................................. 230Two-Tone Tone Groups......................................................................................................... 231Two-Tone Codeplans............................................................................................................. 232FIVE-TONE SIGNALING .................................................................................................................. 233Five-Tone Groups/Timing ..................................................................................................... 233VOICE PROMPTS .............................................................................................................................. 234DTMF COMMANDS .......................................................................................................................... 235EXPERT COMMANDS ...................................................................................................................... 237Model 748 User Programming Log Sheet............................................................................................ 238MODEL 748 PROGRAMMING MENU TREE.................................................................................. 239VIII SPECIFICATIONS..................................................................................................................................... 241PHYSICAL SPECIFICATIONS.......................................................................................................... 241DISPATCH CAPACITY ..................................................................................................................... 241INTERCONNECT CAPACITY .......................................................................................................... 241ACCOUNTING SPECIFICATIONS................................................................................................... 241 |
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