IV1.QT/DQT Decode ........................................................... 54QT/DQT Decode/Encode .............................................. 68QT/DQT Encode ........................................................... 54Random Access (Contention) ..................................... 122Read Authorization Password....................................... 31Reading from GPS Data Storage................................ 163Receive ......................................................................... 16Receive Duration......................................................... 138Receive Frequency ....................................................... 54Receiving a Selective Call............................................. 97Receiving the Long Message...................................... 110Receiving the Short Message ..................................... 108Receiving the Status Message.................................... 103Redial ............................................................................ 80REMOTE CH/GID LIST (TK-7180/ 8180 only)............ 149Repeater Information Table .......................................... 63Reserved Status of the Status Message..................... 104Restricted ID in TA ........................................................ 50Revert CH/GID ............................................................ 132Revert CH/GID Display ............................................... 134SC20-460 Scrambler................................................... 154Scan ...................................................................... 42, 125Scan Add ................................................................ 55, 62Scan Del/Add .............................................................. 130Scan List ......................................................... 53, 59, 131Scan List Table ........................................................... 131Scan Type ................................................................... 133Scan Weight.................................................................. 57Scrambler........................................................ 42, 62, 153Scrambler Code ...................................................... 56, 63Scrambler Status Memory (SC20-460 Scrambler)...... 155Scrambler Status Memory (Scrambler ....................... )153Selectable Tone Level .................................................. 27Selective Call Alert LED .................................. 86, 92, 122Selective Call Function.................................................. 95Selector ........................................................................... 1Sending the Long Message ........................................ 110Sending the Short Message........................................ 107Sending the Status Message ........................................ 99Short Message on Data Zone-CH/GID ....................... 109Short Message Serial Output ...................................... 109Short Message Stack .................................................. 109Side 1 key ....................................................................... 1Side 2 key ....................................................................... 1Sidetone ............................................................ 25, 83, 90Signal Strength Indicator............................................... 20Signaling ....................................................................... 68Signaling (Audio Control) .............................................. 69Signaling (Decode) ....................................................... 69Single Scan................................................................. 127Sound............................................................................ 24Speaker........................................................................... 1Speaker Attenuation (TK-2180/ 3180 only)................... 28Speaker Mute.............................................................. 146Squelch ......................................................................... 71Squelch Level ........................................................... 5, 42Stack ........................................................................... 115Standard QT ................................................................. 76Status List ................................................................... 106Status Message Function ............................................. 99Status Message on Data Zone-CH/GID...................... 105Status Message Serial Output .................................... 105Status Message Stack ................................................ 105Store & Send........................................................... 77, 84Stores the Latest Received Messages ....................... 117Stun............................................................................... 85Sub Display................................................................... 21Supervisor Call.............................................................. 98Switching the Horn Alert ON/OFF ................................. 37System Busy ............................................................... 148System Search.............................................................. 65System Search for Data Channels................................ 66System Search for Voice Channels .............................. 66TA Busy Channel Lockout ...................................... 48, 59TA Key .................................................................... 48, 59Talk Around....................................................... 42, 47, 62Target Fleet/ID (Status Message)............................... 106Telephone (Block IDs) .................................................. 60Telephone Interconnect ................................................ 64Timed Power-off............................................................ 36Time-out Timer (Dispatch) ...................................... 45, 58Time-out Timer (Telephone) ................................... 45, 58Time-out Timer (TOT) ............................................. 44, 53Timer Function ............................................................ 118Tone Off ........................................................................ 74Tone Pattern ................................................................. 24Tone Volume................................................................. 26Tone Volume Offset ...................................................... 26TOR ............................................................................ 148TOR or Channel Busy................................................. 148TOT Pre-alert .......................................................... 44, 53TOT Rekey Time..................................................... 44, 53TOT Reset Time ..................................................... 44, 53Transceiver Operation When Using theARQ Function in the External Modem .......................... 67Transceiver Operation When Using theARQ Function with FleetSync ....................................... 67Transceiver Password .................................................. 30Transmit ........................................................................ 17QRS T