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TM-481A
Kenwood TM-481A Manuals
Manuals and User Guides for Kenwood TM-481A. We have
2
Kenwood TM-481A manuals available for free PDF download: Instruction Manual, Service Manual
Kenwood TM-481A Instruction Manual (79 pages)
144 and 430 MHz FM TRANSCEIVER
Brand:
Kenwood
| Category:
Transceiver
| Size: 1.59 MB
Table of Contents
Instruction Manual
1
Table of Contents
5
Supplied Accessories
8
Writing Conventions Followed in this Manual
8
Chapter 1 Preparation
9
Mobile Installation
9
DC Power Cable Connection
10
Mobile Operation
10
Fixed Station Operation
11
Replacing Fuses
12
Antenna Connection
12
Accessory Connections
13
External Speaker
13
Microphone
13
PC Connection
14
Chapter 2 Your First Qso
15
Chapter 3 Getting Acquainted
16
Front Panel
16
Display
17
Rear Panel
19
Microphone
19
MIC Keypad Direct Entry
20
Chapter 4 Operating Basics
21
Switching the Power On/Off
21
Adjusting the Volume
21
Adjusting the Squelch
21
Transmitting
22
Selecting an Output Power
22
Selecting a Frequency
22
Vfo Mode
22
Mhz MODE
23
Direct Frequency Entry
23
Chapter 5 Menu Setup
25
What Is a Menu
25
Menu Access
25
Menu Function List
26
Chapter 6 Operating through Repeaters
29
Programming an Offset
30
Electing an
30
Ffset
30
Irection
30
Requency
30
Ctivating the Electing a
31
Automatic Repeater Offset
32
TRANSMITTING a 1750 Hz TONE
32
Reverse Function
33
Automatic Simplex Check (Asc)
33
Tone Frequency ID Scan
34
Offset Programming Flow
29
Chapter 7 Memory Channels
35
Number of Memory Channels
35
Simplex & Repeater or Odd-Split Memory Channel
35
Storing Simplex Frequencies or Standard Repeater Frequencies
36
Storing Odd-Split Repeater Frequencies
37
Recalling a Memory Channel
37
Using the Tuning Control
37
Using the Microphone Keypad
38
Clearing a Memory Channel
38
Naming a Memory Channel
39
Memory Channel Transfer
40
Memory \ Vfo Transfer
40
Channel \ Channel Transfer
40
Call Channel
42
Recalling the Call Channel
42
R C C
42
Eprogramming the Channel Display
42
Hannel
42
Chapter 8 Scan
44
Normal Scan
45
Band Scan
45
Program Scan
45
Mhz SCAN
46
Memory Scan
47
All-Channel Scan
47
Group Scan
47
Call Scan
48
Priority Scan
48
Programming a Priorityc
48
Hannel
48
Using Priority Scan
49
Memory Channel Lockout
49
Scan Resume Method
50
Chapter 9 Selective Call
51
Ctcss and Dcs
51
Ctcss
51
Selecting Actcss Frequency
52
Ctcss Frequency ID Scan
52
Dcs
53
Selecting Adcs Code
53
Dcs Code ID Scan
54
Chapter 10 Dual Tone Multi-Frequency (Dtmf) Functions
55
Manual Dialing
55
Dtmf Monitor
55
Dtmf Tx Hold
56
Automatic Dialer
56
Toring Adtmf Number in
56
Stored Dtmf Numbers
57
Ransmitting a
57
Djusting the Dtmf Tone
57
Umber
57
Ransmission Speed
57
Adjusting the Pause Duration
58
Dtmf Lock
58
Chapter 11 Auxiliary Functions
59
Apo (Auto Power Off)
59
Beat Shift
59
S-Meter Squelch
59
Squelch Hang Time
60
Beep Function
60
Busy Channel Lockout
61
Frequency Step Size
61
Display Backlight
62
Permanent Backlight
62
Automatic Backlight
62
Lock Function
63
Tune Enable
63
Microphone Pf Keys (Keypad Models Only )
64
Narrow Band Fm Operation
65
Power-On Message
65
Programmable Vfo
66
Time-Out Timer
67
Chapter 12 Microphone Control
68
MIC Lock
69
Chapter 13 Optional Accessories
70
Chapter 14 Troubleshooting
71
Maintenance
71
General Information
71
Ervice
71
Service Note
71
Cleaning
72
Resetting the Transceiver
72
Initial Settings
72
Full Reset
72
Vfo Reset
73
Troubleshooting
74
Specifications
76
Index
78
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Kenwood TM-481A Service Manual (50 pages)
430MHz FM TRANSCEIVER
Brand:
Kenwood
| Category:
Transceiver
| Size: 2.83 MB
Table of Contents
Table of Contents
1
Disassembly for Repair
2
Circuit Description
5
Components Description
9
Semiconductor Data
11
Parts List
12
Exploded View
18
Packing
19
Adjustment
20
Terminal Function
29
Pc Board
30
Tx-Rx Unit (X57-8130-24)
30
Schematic Diagram
36
Block Diagram
40
Level Diagram
42
Specifications
44
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