Kenwood TH-55AT Series - Manual (Page 2)

Thank you for purchasing this new transceiver.
IMPORTANT:_______________________
Please read this instruction manual carefully before placing
your transceiver in service.
SAVE THIS INSTRUCTION MANUAL
This Instruction Manual covers the following models:
TH-25AT :144 MHz FM transceiver with DTMF Pad.
TH-25A :144 MHz FM transceiver without DTMF Pad.
TH-25E :144 MHz FM transceiver with Tone.
(with Tone Burst for U.K. version)
TH-45AT :430/440 MHz FM transceiver with DTMF
Pad.
TH-45A :430/440 MHz FM transceiver without DTMF
Pad.
TH-45E :430 MHz FM transceiver with tone.
(with Tone Burst for U.K. version)
TH-55AT :1200 MHz FM transceiver with DTMF Pad.
TH-55E :1200 MHz FM transceiver with Tone.
(with Tone Burst for U.K. version)
Under normal circumstances, the transceiver will operate in
accordance
with these operating instructions. The
transceiver has been adjusted at the factory and should on­
ly be readjusted by a qualified technician with proper test
equipment.
Attempting service or alignment without factory authoriza­
tion can void the transceiver's warranty.
CAUTION:----------------------------------------------------------------------
Long transmission or extended operation in the HI power
mode might cause the rear of this transceiver to get warm.
Do not place the transceiver where the heat sink (rear
panel) might come in contact with plastic or vinyl surfaces.
Use of an external antenna for fixed station is recommended.
Illustrations show the TH-25A.
CONTENTS
1. SPECIFICATIONS and ACCESSORIES.......................... 4
2. BATTERY PACK............................................................... 6
3. OPERATION
OPERATING CONTROLS................................................. 8
RECEIVER OPERATION................................................. 12
TRANSMITTER OPERATION
MEMORY..........................................................................13
AUTOMATIC MEMORY INITIALIZATION
MEMORY ENTRY
MEMORY SHIFT......................................................... 14
MEMORY RECALL
ODD SPLIT
MEMORY CHANNEL LOCKOUT................................15
CLEARING ALL MEMORY..........................................16
MEMORY BACK-UP BATTERY
SCAN
REPEATER OPERATION........................................... 17
TRANSMITTER OFFSETS
REVERSE FUNCTION
TONE OPERATION
AUTOPATCH......................................................... 19
BEEP TONE
TONE ALERT SYSTEM.............................................. 20
BATTERY SAVER
AUTOMATIC POWER OFF
BATTERY SAVER and AUTOMATIC POWER OFF
function CANCEL (TH-55AT/55E only)
4. BLOCK DIAGRAM and
SCHEMATIC DIAGRAM...............................Another sheet
5. MAINTENANCE............................................................... 22
IN CASE OF DIFFICULTY.......................................... 23
6. OPTIONAL ACCESSORIES................................ Back cover