Kenwood TM-441A User Manual
Page 3
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CONTENTS
1. BEFORE OPERATION ..................................... 4
2. SPECIFICATIONS ............................................ 6
3. ACCESSORIES ................................................ 7
4. INSTALLATION INSTRUCTIONS.................. 7
5. OPERATION
CONTROL FUNCTIONS................................. 10
RECEIVER OPERATION
Reception ...................................................... 16
Frequency Selection ..................................... 17
Frequency Step Selection ............................ 17
Programmable VFO Tuning Limits ............... 18
ALT(TM-541A/Eonly)..................................... 19
TRANSMITTER OPERATION......................... 20
Time-out Timer (TOT) ................................... 20
MEMORY
Microprocessor Memory back-up ................. 21
Initial State .................................................... 21
Microprocessor Initialization ......................... 21
Memory Channel .......................................... 21
Memory Contents ......................................... 22
Memory Entry ............................................... 22
Memory Channel Recall ............................... 24
Memory Shift ................................................. 24
SCAN
Scan Operation ............................................ 25
Hold/Resume Programming ......................... 25
Band Scan .................................................... 26
Programmable Band Scan ........................... 26
Memory Channel Scan ................................. 27
Memory Channel Lockout ............................ 27
Priority Alert Function ................................... 28
REPEATER OPERATIONS
Transmitter Offsets ....................................... 28
Reverse Function ......................................... 29
Tone Operation ............................................. 29
Tone Frequency Selection ........................... 29
Autopatch (U.S.A. version only) ................... 30
TONE / CTCSS OPERATION......................... 30
DTSS (Dual Tone Squelch System)
OPERATION .................................................. 31
DRS (Digital Recording System)
OPERATION ................................................... 34
PAGING ......................................................... 41
TONE ALERT SYSTEM ................................. 47
APO (Automatic Power Off) ............................ 48
DIM(Dimmer) .................................................. 48
BEEP............................................................... 49
LOCK/A.LOCK ................................................ 49
6. BLOCK DIAGRAM and
SCHEMATIC DIAGRAM Another sheet
7. MAINTENANCE ............................................. 50
IN CASE OF DIFFICULTY ........................... 51
8. OPTIONAL ACCESSORIES........................... 52