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Most Recent Kenwood TM-281A Questions
Communications Error Using Mcp-1a Software
Why am I getting communications time out error when trying to read or write to TM281A using MCP-1a s...
Why am I getting communications time out error when trying to read or write to TM281A using MCP-1a s...
(Posted by glforte50 1 year ago)
Kenwood TM-281A Videos
Universal Radio discusses the Kenwood TM-281a mobile Amateur Radio transceiver
Duration: 2:20
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Duration: 2:20
Total Views: 12,777
Kenwood TM-281A 2 Meter Mobile Overview
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Duration: 9:01
Total Views: 5,020
REVIEW KENWOOD TM-281A
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Duration: 4:19
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KENWOOD Radios TM-281A & TM-271A Frequency Programming software
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Duration: 18:17
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Popular Kenwood TM-281A Manual Pages
User Manual - Page 1
TM-281A/ TM-481A
144 MHz FM TRANSCEIVER 430 MHz FM TRANSCEIVER
INSTRUCTION MANUAL
144 MHz FM 430 MHz FM
© B62-2348-20 (M,M3) 09 08 07 06 05 04 03 02
User Manual - Page 2
ENGLISH
INSTRUCTION MANUAL
144 MHz FM TRANSCEIVER
TM-281A
430 MHz FM TRANSCEIVER
TM-481A
User Manual - Page 3
...PC software (Memory Control Program) is technically sophisticated and some features may be new to page 1. Thank you . For example, each model. Though user friendly, this Kenwood transceiver. THANK YOU! TM-281A: 144 MHz FM Transceiver TM-481A: 430 MHz FM Transceiver
The frequency indication examples in this instruction manual are assigned to the channels.)
• Continuous Tone Coded...
User Manual - Page 8
... packaging for 1 second or longer. Accessory
Qty
Microphone (DTMF Mic)
1
DC power cable (Blade)
1
Fuse (Blade)
1
Mounting bracket
1
Screw set
1
Microphone hanger
1
Instruction manual
1
WRITING CONVENTIONS FOLLOWED IN THIS MANUAL
The writing conventions described below .
What to simplify instructions and avoid unnecessary repetition. Press and hold KEY, then turn until the...
User Manual - Page 14
The MCP-1A is free downloadable software available from Kenwood at the following URL: http://www.kenwood.com/i/products/info/amateur/software_download.html
Note: Ask your PC using an optional Programming Cable (via the microphone jack). PC CONNECTION
To utilize the optional MCP-1A software, you must first connect the transceiver to your dealer about purchasing a Programming Cable.
1 7
User Manual - Page 26
...1 Frequency step size
T CT DCS SFT TXP
2 Tone frequency 3 CTCSS frequency 4 DCS code 5 Shift direction 6 Transmission power
P.VFO
7 Programmable VFO
SSQ SQH
8 S-Meter squelch ...88.5
45
023 ~ 754
023
46
OFF/ +/ − High/ Low
OFF High
23 5 15
TM-281A: 136 ~ 174 MHz TM-481A: 400 ~ 470 MHz
TM-281A:136 ~ 174 MHz TM-481A:400 ~ 470 MHz
59
ON/ OFF
OFF
52
OFF/ 125/ 250/ 500 m
OFF
53...
User Manual - Page 42
... . Note: ◆ When you program the Call Channel as an odd-split...settings: • On M market models, pressing [CALL] changes the
transceiver to the previous frequency, press [CALL] again. In this case, Call Scan {page 41} will be cleared. The Call Channel can be recalled instantly no matter what frequency the transceiver is stored in an
odd-split Call Channel.
35 TM-281A: 144.000 MHz TM...
User Manual - Page 61
...a frequency step size that somebody else is currently using.
When turned ON, an error beep sounds and you cannot transmit even if you change the frequency step size: ... frequency step size.
3 Press [MENU] to store the setting or any other key to cancel.
4 Press any key other than [MENU] to select
your desired frequency step size from: 2.5 kHz (TM-281A Only), 5 kHz, 6.25 kHz, 10 kHz, 12.5...
User Manual - Page 62
... turn the front panel key backlight OFF. Note: Setting the brightness to OFF (minimum level 1) will remain at that setting until it is printed on for each model is as follows:
Market Code
Default Frequency Step Size
TM-281A ( M3 )
12.5 kHz
TM-481A ( M )
25 kHz
Note: The market code is changed again. The default step size for...
User Manual - Page 66
...the operating frequencies within a certain range, program the upper and lower frequency limits to exit Menu Mode. 6 Press [MENU] to complete the setting and store the Power-on message is... frequency range for the upper limit, the tunable range will be set , the transceiver model name appears when the transceiver power is not set lower than the selected
lower limit frequency.
11
3 Press [MENU...
User Manual - Page 70
... Control Program
(Free Software)
The MCP-1A can be downloaded at: http://www.kenwood.com/i/products/ info/amateur/software_download.html
PG-3B DC Line Noise Filter
KMC-30 Microphone
MC-59 DTMF Microphone
MC-60A Stand Microphone
(MJ-88 required)
MJ-88 Modular to 8-pin Microphone
Plug
Programming Cable
Ask your dealer about purchasing a Programming Cable.
13...
User Manual - Page 72
...warranty service,...problem. FULL RESET
This resets all transceiver parameters to clean the case.
There are as follows. • TM-281A: 144.000 MHz
• TM...-481A: 440.000 MHz
The Memory Channels have no strong chemicals) and a damp cloth to the factory default values. CLEANING
The keys, controls, and case of the transceiver are available. INITIAL SETTINGS...
User Manual - Page 74
... and correcting any problems, install a new fuse(s) with the same ratings. TROUBLESHOOTING
The problems described in Channel 2 With the transceiver power OFF, press 36
Display mode.
[ ] (Power)+[REV] to exit Channel
Display mode.
14
67 These types of this range,
adjust your transceiver is
3, 4
13.8 V DC ±15% (11.7 V to incomplete programming. Please review these tables...
User Manual - Page 76
...range
RX frequency range
Mode Antenna impedance Usable temperature range Power supply Grounding method
General TM-281A (M3 market models) TM-481A (M market models) TM-281A (M3 market models) TM-481A (M market models)
Current
Transmit (max.).../ 6.30 x 1.69 x 4.69 in technology. SPECIFICATIONS
Specifications are subject to change without notice due to advancements in
Approx. 1.13 kg/ 2.5 lb
69
User Manual - Page 77
... (1st/ 2nd)
Sensitivity (12 dB SINAD)
Selectivity (-6 dB) Selectivity (-60 dB) Squelch sensitivity Audio output (8 Ω , 5 % distortion) Audio output impedance 70
Transmitter Receiver
65 W (TM-281A)/ 45 W (TM-481A) Approx. 25 W
Variable reactance modulation -60 dB or less Wide: ±5 kHz
Narrow: ±2.5 kHz 3% or less 600 Ω
Double superheterodyne 49.95 MHz...
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