Kenwood TH-28A Manuals

Manuals and User Guides for Kenwood TH-28A. We have 7 Kenwood TH-28A manuals available for free PDF download: Service Manual, Instruction Manual, Manual

Kenwood TH-28A Instruction Manual (65 pages)

144MHz FM Transceiver

Brand: Kenwood | Category: Transceiver | Size: 35.55 MB

Models Covered in this Manual
2
Contents
3
Accessories
5
Before Operation
5
Controls Overview
6
Product View
7
The Battery Pack
8
Nicd Battery Pack (PB-13)
8
Recharging
8
Installing the Battery Pack
8
Battery Voltage Level
9
Battery Operating Time (Hours)
9
Manganese or Alkaline Batteries
9
Receiver Operation
10
Getting Started
10
Selecting Frequency
11
Direct Keyboard Frequency Entry
11
How Step Selection Works
11
Step Size Selection
12
Using the Tuning Control
12
Changes in the Displayed Frequency
13
Programmable VFO Tuning Limits
14
Subband Reception
14
Transmitter Operation
15
To Transmit, Follow These Steps
15
Changing Transmitter Output Power
15
TX. Stop Function
16
Time-Out-Timer
16
Output Power (Watts)
16
Using the Memory
17
Microprocessor Memory Backup
17
Entering Memory Data
17
Clearing a Memory Channel
17
Initializing the Memory
18
Memory Channel
18
Memory Contents
18
Factory Default Settings
18
Entering Split Channel Frequencies
19
Entering the Call Channel Frequency
19
Confirming the Contents of the Split Channel
19
Recalling Memory Channels
20
Memory Shift
20
Using the Numeric Keypad
20
Memory Channel Character Display
21
Function Setting
21
Message Display Cancel
21
Scanning
22
Hold/Resume Programming
22
Scan Options
22
Scanning Memory Channels
23
Locking out Memory Channels
23
Band Scanning
24
Programmable Band Scan
24
Programmable Band Scan Memory 1
25
Programmable Band Scan Memory 2
25
Confirming Scan Limit
25
Initiating Programmable Band Scan
25
Mhz Scan
26
Vfo/Memory Scan
26
CALL/VFO Scan
26
Call/Memory Scan
26
Repeater Operation
27
Transmitter Offsets
27
Selecting the Offset Direction
27
Automatic Offset Selection
27
Manual Offset Selection
28
The Reverse Function
28
Tome Operation
29
Selecting Tone Frequencies
29
Tone Function Operation
29
Autopatch Operations
30
Selecting Delay Time
30
DTMF Memory
31
Storing DTMF Codes
31
Recalling Stored DTMF Codes in Receive Mode
31
Making a DTMF Call
32
CTCSS Operation
33
Operating the CTCSS Function
33
The Dual Tone Squelch System (DTSS)
34
DTSS Code
34
Using the DTSS Function
34
Selecting DTSS Codes
34
Using DTSS with a Repeater
35
To Change Delay Time
35
Paging
36
Paging Operation Overview
36
Paging Code Memory
37
Setting Paging Codes
37
Sending Pages (Calling)
38
Group Communication Network Example
38
Calling All Group Members
38
Calling a Specific Group Member
39
Receiving Pages (Wait)
40
Receiving a Page with an Individual Code
40
Receiving a Page with a Group Code
40
Canceling Signal Squelch
41
Locking out Codes
41
Message Transmission and Reception
42
Message Transmission Modes
42
Using the Message Memory
42
Memory Write Procedure
42
Relationship between Input Characters and Keys
43
Message Memory Check
44
Message Memory Transmission
44
Message Reception
44
DTSS Mode
44
Receiving Message Memory
45
Paging Mode
45
Receive Message Memory Clear
45
Enhanced Receiver Function
46
The Tone Alert System
46
Selecting a Beep Sound
46
Monitor
47
Beep off
47
Lamp
47
Key Lock
47
Power Saver Features
48
The Battery Saver Mode
48
Automatic Power off (APO)
48
Battery Save Rate Selection
48
Clock Function
49
Time Setting
49
Timer Function
49
Time Alarm Setting
49
Switch-Off Timer Setting
50
Timer Start/Stop
50
Alarm Function
50
Cross Band Operation
51
Perform Cross Band Operation with Memory Channel
51
Maintenance
52
General Information
52
Service
52
Record Keeping
52
Troubleshooting
53
Accessories
54
Installing the CTCSS Unit (TSU-7)
55
Memory Expansion Unit (ME-1)
56
Selecting the Three Digit Memory Mode
56
Programming SMC-33 the Remote Control Speaker Microphone
57
Memory Control Functions
58
Using Other Microphones
59
Connecting an External Speaker
59
Specifications
60
General
60
Transmitter
60
Receiver
60
Quick Reference
61
Memory Setup
63

KENWOOD TH-28A Instruction Manual (65 pages)

Fm transceiver

Brand: KENWOOD | Category: Transceiver | Size: 35.55 MB

Models Covered in this Manual
2
FCC Warning
2
Contents
3
Before Operation
5
Controls Overview
6
All Types Except U.K. and European Version
6
U.K. and Europe Version Only
6
The Battery Pack
8
Nicd Battery Pack (PB-13)
8
Recharging
8
Installing the Battery Pack
8
Battery Voltage Level
9
Manganese or Alkaline Batteries
9
Battery Operating Time (Hours)
9
Receiver Operation
10
Getting Started
10
Selecting Frequency
11
Direct Keyboard Frequency Entry
11
How Step Selection Works
11
Using the Tuning Control
12
Step Size Selection
12
Changes in the Displayed Frequency
13
Programmable VFO Tuning Limits
14
Subband Reception
14
Transmitter Operation
15
To Transmit, Follow These Steps
15
Changing Transmitter Output Power
15
Output Power (Watts)
16
TX Stop Function
16
Time-Out-Timer
16
Using the Memory
17
Microprocessor Memory Backup
17
Entering Memory Data
17
Entering Normal Channels
17
Initializing the Memory
18
Factory Default Settings
18
Memory Channel
18
Memory Contents
18
Entering Split Channel Frequencies
19
Confirming the Contents of the Split Channel
19
Entering the Call Channel Frequency
19
Recalling Memory Channels
20
Using the Numeric Keypad
20
Memory Shift
20
Memory Channel Character Display
21
Function Setting
21
Message Display Cancel
21
Scanning
22
Hold/Resume Programming
22
Scan Options
22
Scanning Memory Channels
23
Locking out Memory Channels
23
Band Scanning
24
Programmable Band Scan
24
Programmable Band Scan Memory
25
Confirming Scan Limit
25
Initiating Programmable Band Scan
25
Mhz Scan
26
Vfo/Memory Scan
26
Call/Vfo Scan
26
Call/Memory Scan
26
Repeater Operation
27
Transmitter Offsets
27
Selecting the Offset Direction
27
Automatic Offset Selection
27
Manual Offset Selection
28
The Reverse Function
28
Tone Operation
29
Selecting Tone Frequencies
29
Tone Function Operating
29
Autopatch Operations
30
To Activate the Keypad
30
Selecting Delay Time
30
DTMF Memory
31
Storing DTMF Codes
31
Recalling Stored DTMF Codes in Receive Mode
31
Making a DTMF Call
32
CTCSS Operation
33
Operating the CTCSS Function
33
The Dual Tone Squelch System (DTSS)
34
Selecting DTSS Code
34
Using the DTSS Function
34
Using DTSS with a Repeater
35
To Change Delay Time
35
Paging Operation Overview
36
Paging Code Memory
37
Setting Paging Codes
37
Group Communication Network Example
38
Sending Pages (Calling)
38
Calling All Group Members
38
Calling a Specific Group Member
39
Receiving Pages (Wait)
40
Receiving a Page with an Individual Code
40
Receiving a Page with a Group Code
40
Canceling Signal Squelch
41
Locking out Codes
41
Message Transmission and Reception
42
Message Transmission Mode
42
Using the Message Memory
42
Memory Write Procedure
42
Relationship between Input Characters and Keys
43
Message Memory Check
44
Message Memory Transmission
44
Message Reception
44
DTSS Mode
44
Paging Mode
45
Receive Message Memory
45
Receive Message Memory Clear
45
Enhanced Receiver Function
46
The Tone Alert System
46
Selecting a Beep Sound
46
Monitor
47
Beep off
47
Lamp
47
Key Lock
47
Power Saver Features
48
The Battery Saver Mode
48
Battery Save Rate Selection
48
Automatic Power off (APO)
48
Clock Function
49
Time Setting
49
Timer Function
49
Switch-On Timer Setting
49
Switch-Off Timer Setting
50
Timer Start/Stop
50
Alarm Function
50
Cross Ban Operation
51
Perform Cross Band Operation with Memory Channel
51
Maintenance
52
General Information
52
Service
52
Record Keeping
52
Troubleshooting
53
Accessories
54
Installing the CTCSS Unit (TSU-7)
55
Memory Expansion Unit (ME-1)
56
Selecting the Tree Digit Memory Mode
56
Programming SMC-33 the Remote Control Speaker Microphone
57
Memory Control Functions
58
Using Other Microphones
59
Connecting an External Speaker
59
Specifications
60
Quick Reference
61

Kenwood TH-28A Instruction Manual (62 pages)

144 MHz FM VHF; 430 MHz FM UHF;

Brand: Kenwood | Category: Transceiver | Size: 1.15 MB

Instruction Manual
1
Contents
2
Accessories
4
Before Operation
4
Controls Overview
5
The Battery Pack
7
Nicd Battery Pack
7
Recharging
7
Installing the Battery Pack
7
Battery Voltage Level
8
Battery Operating Time
8
Manganese or Alkaline Batteries
8
Reciever Operation
9
Getting Started
9
Selecting Frequency
10
Direct Keyboard Frequency Entry
10
How Step Selection Works
10
Using the Tuning Control
11
3 Step Size Selection
11
Changes in the Displayed Frequency
12
Programmable VFO Tuning Limits
13
Subband Reception
13
Transmitter Operation
14
Changing Transmitter Output Power
14
Output Power
15
TX. Stop Function
15
Time-Out-Timer
15
Using the Memory
16
Microprocessor Memory Backup
16
Entering Memory Data
16
Entering Normal Channels
16
Initializing the Memory
17
Memory Channel
17
Memory Contents
17
VFO Reset
17
Entering Split Channel Frequencies
18
Entering the Call Channel Frequency
18
Confirming the Contents of the Split Channel
18
Recalling Memory Channels
19
Memory Shift
19
Memory Channel Character Display
20
Scanning
21
Hold/Resume Programming
21
Time Operated Scan
21
Carrier Operated Scan
21
Scanning Memory Channels
22
Locking out Memory Channels
22
Band Scanning
23
Programmable Band Scan
23
Confirming Scan Limit
24
Initiating Programmable Band Scan
24
Mhz Scan
25
Vfo/Memory Scan
25
Call/Vfo Scan
25
Call/Memory Scan
25
Repeater Operation
26
Transmitter Offsets
26
Selecting the Offset Direction
26
Automatic Offset Selection
26
Manual Offset Selection
27
The Reverse Function
27
Tone Operation
28
Selecting Tone Frequencies
28
Tone Function Operating
28
Autopatch Operations
29
Selecting Delay Time
29
DTMF Memory
30
Storing DTMF Codes
30
Recalling Stored DTMF Codes in Receive Mode
30
Making a DTMF Call
31
CTCSS Operation
32
Operating the CTCSS Function
32
The Dual Tone Squelch System (DTSS)
33
DTSS Code
33
Using the DTSS Function
33
Selecting DTSS Codes
33
Using DTSS with a Repeater
34
To Change Delay Time
34
Paging
35
Paging Operation Overview
35
Paging Code Memory
36
Setting Paging Codes
36
Sending Pages
37
Group Communication Network Example
37
Receiving Pages
39
Canceling Signal Squelch
40
Locking out Codes
40
Message Transmission and Reception
41
Message Transmission Modes
41
Using the Message Memory
41
Relationship between Input Characters and Keys
42
Message Memory Check
43
Message Memory Transmission
43
Message Reception
43
Receive Message Memory
44
Paging Mode
44
Receive Message Memory Clear
44
Enhanced Receiver Function
45
The Tone Alert System
45
Selecting a Beep Sound
45
Monitor
46
Beep off
46
Lamp
46
Key Lock
46
Power Saver Features
47
The Battery Saver Mode
47
Automatic Power off (APO)
47
Battery Save Rate Selection
47
Clock Function
48
Time Setting
48
Timer Function
48
Time Alarm Setting
48
Switch-Off Timer Setting
49
Timer Start/Stop
49
Alarm Function
49
Cross Band Operation
50
Maintenance
51
General Information
51
Service
51
Record Keeping
51
Troubleshooting
52
Installing the CTCSS Unit
54
Memory Expansion Unit
55
Programming SMC-33 the Remote Control Speaker Microphone
56
Memory Control Functions
57
Using Other Microphones
58
Connecting an External Speaker
58
Specifications
59
Quick Reference
60

Kenwood TH-28A Instruction Manual (64 pages)

144 MHz FM TRANSCEIVER , 430/440 MHz FM TRANSCEIVER

Brand: Kenwood | Category: Transceiver | Size: 1.55 MB

Table of Contents
3
6S Oes Cn
3
Before Operation
5
Controls Overview
6
The Battery Pack
8
Nicd Battery Pack (PB-13)
8
Rechalging
8
Installing the Battery Pack
8
Battery Voltage Level
9
Receiver Operation
10
Ti RANI Sts os Asa Dining Ee Ocean Mae
10
Selecting Frequency
11
Step Sizeselection
12
Programmable VFO Tuning Limits
14
Subband Reception
14
Transmitter Operation
15
T RO Srensilh. " 6. Cos
15
Changing Transmitter Output Power
15
&X: Stop Functiedsqne Temess Na Peitane
16
AFIS out TMG Fk? Sos Sa Sos Dice Ete Teens
16
Using the Memory
17
Microprocessor Memory Backup
17
Entering Memory Data
17
Initializing the Memory
18
Memory Channel
18
Memory Contents
18
Entering Split Channel Frequencies
19
Entering the Call Channel Frequency
19
Recalling Memory Channels
20
Scanning
22
Hold/Resume Programming
22
Scanning Memory Channels
23
Locking out Memory Channels
23
Programmable Band Scan
24
Vfo/Memory Scan
26
CALL/VFO Scan
26
Call/Memory Scan
26
V/M/C(Vfo/Memory/Call) Scan
26
Repeater Operation
27
Selecting the Offset Direction
27
Automatic Offset Selection
27
Manual Offset Selection
28
The Reverse Function
28
Autopatch Operations
30
CTCSS' OPERATION, Oo O
33
The Dual Tone Squelch System (Dtss)
34
2°Using'the:dtss Function® ©. V0.2
34
Using DTSS with a Repeater
35
Paging
36
Paging Operation Overview
36
Paging Code Memory
37
Setting Paging Codes
37
Sending Pages (Calling)
38
Receiving Pages (Wait)
40
Canceling Signal Squelch
41
Message Transmission and Reception
42
Message Transmission Modes
42
Using the Message Memory
42
Message Memory Check
44
Message Memory Transmission
44
Message Reception
44
Enhanced Receiver Function
46
The Tonealert System
46
Monitor
47
Beep off
47
Power Saver Features
48
The Battery Saver Mode
48
Automatic Power off (APO)
48
Clock Function
49
HW WANG SUA) O67-:5:6.3)-'5 Cise: 5110 Estate Ae Ebzenmn
49
A Amimoueunctiony 3.5. <0Cc,S Viewys a Fenn Coa
49
DURE: OPERATION: 5: 6C5C465 6655.0. RO
51
Maintenance
52
General Information
52
BOSONIC Pret a Ete os ob Sacar Panel Agaue See Eiecs
52
Troubleshooting
53
Accessories
54
Installing the CTCSS Unit (TSU-7)
55
Memory Expansion Unit (ME-1)
56
Programming the SMC-33 Remote Control Speaker Microphone
57
Using Other Microphones
59
Connecting an External Speaker
59
SPEGIFIGATIONS 6 Citi VX Cacasiarsunnc's Sabeiappne
60
QUICIGREEERENCE es
61

Kenwood TH-28A Service Manual (66 pages)

144MHz FM Transceiver

Brand: Kenwood | Category: Transceiver | Size: 13.21 MB

Table of Contents
1
Circuit Description
2
Description of Components
13
Semiconductor Data
16
Exploded View
37
Packing
38
Adjustment
39
Power Module Installation Method
43
Terminal Function
43
Pc Board Views
45
Control Unit : Charger (X53-340X-XX) (B/S)
49
CONTROL UNIT : ENCODER (X53-340X-XX) (E/5) S
50
Vco (X58-3870-XX)
50
Block Diagram
54
Level Diagram
56
Bc-15A (Rapid Charger)
57
Hmc-2 (Head Set with Vox & Ptt)
58
Memory Expansion Unit)
60
Ni-CD BATTERY)
61
High Power Battery Pack)
62
Pg-2W (DC Cord)
63
Pg-3H (Filtered Cigar Lighter Cord)
63
SPECIFICATIONS Oo
66

Kenwood TH-28A Service Manual (78 pages)

144MHz FM Transceiver

Brand: Kenwood | Category: Transceiver | Size: 8.5 MB

Kenwood TH-28A Manual (60 pages)

Brand: Kenwood | Category: Transceiver | Size: 1.19 MB

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