Kenwood TM-271A, TM-271E instruction manual MIC Lock, Key, Space

Page 71

1DTMF tones are not transmitted in TX Mode if the DTMF Lock function is ON.

2When transmitting a stored DTMF number, press Mic [PTT] + Mic [PF/D], release Mic [PF/D], then press a Memory Channel number from 0 to 9. To transmit the ÒDÓ tone, press Mic [PF/D] again.

3On the display, is represented by ÒEÓ.

4On the display, is represented by ÒFÓ.

Note: When storing a Memory Name or Power-on message, the DTMF keys can be used. Each time a key is pressed, the displayed character will change, according to the table below.

 

Key

 

Displayed Characters

 

 

1

Q

Z

1

 

 

 

 

 

 

 

 

2

A

B

C

2

 

 

 

 

 

 

 

3

D

E

F

3

 

 

 

 

 

 

 

4

G

H

I

4

 

 

 

 

 

 

 

5

J

K

L

5

 

 

 

 

 

 

 

6

M

N

O

6

 

 

 

 

 

 

 

7

P

R

S

7

 

 

 

 

 

 

 

8

T

U

V

8

 

 

 

 

 

 

12

9

W

X

Y

9

 

0

[space]

0

Ñ

/

 

 

 

 

 

 

MIC LOCK

The Mic Lock function disables the Mic PF keys to prevent you from accidentally changing the transceiver operation.

1Press [F], [MENU] and turn the Tuning control to select Menu No. 34 (MC.L).

2Press [MENU] and turn the Tuning control to select ÒONÓ or ÒOFFÓ (default).

3Press [MENU] to store the setting or any other key to cancel.

4Press any key other than [MENU] to exit Menu Mode.

Note: The Mic Lock function will not lock the DTMF keys.

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Contents TM-271A Page Market Codes FeaturesThank YOU Models Covered by this ManualOne or more of the following statements may be applicable When condensation occurs inside the transceiverContents Iii MHz ScanMicrophone Control Supplied Accessories Preparation Mobile InstallationDC Power Cable Connection Fixed Station Operation Fuse Location Fuse Current Rating Transceiver 15 a Supplied Accessory 20 a DC Power CableAntenna Connection Microphone hanger Microphone hanger screw 3 mm x 10 mm Accessory ConnectionsPin No Pin Name Function Connecting to a TNC E Market Models onlyYour First QSO Press Power briefly to switch the transceiver power onFront Panel Getting AcquaintedKey DisplayMR key REV keyPage Microphone Rear PanelPF/D key CALL/A keyVFO/B key MR/C keyOperating Basics Switching the Power ON/OFFAdjusting the Volume Adjusting the SquelchTransmitting Selecting a Frequency VFO ModeWhen you finish speaking, release Mic PTT ¥ You must be in VFO mode to make a direct frequency entry Enter Mic VFO ExampleEnter Turn the Tuning control to select your desired Menu Menu SetupWhat is a MENU? Menu AccessMenu Function List Menu Function Selections Default DisplayCall key Varies see 25,35 Reference Time-out Timer 10 minPower-on message Characters Beep Tuning control lockAutomatic display brightness Reset selectionData TX speed 1200/ 9600 bps Display brightness Maximum levelOffset Programming Flow Operating Through RepeatersProgramming AN Offset Tone Frequencies Hz Available Tone FrequenciesTo activate Tone, press F, Call Market version only Call Channel default settingsAutomatic Repeater Offset Automatic Simplex Check ASC Reverse FunctionPressing PTT causes the Ò Ó icon to quit blinking Tone Frequency ID ScanOdd-split channels allow Memory ChannelsNumber of Memory Channels Simplex & Repeater or ODD-SPLIT Memory CHANNEL?Yes DCS code Data listed below can be stored in each Memory ChannelParameter Simplex Odd-Split Press MR 1s Recalling a Memory ChannelPress MR to erase the channel data Clearing a Memory ChannelPress MR Naming a Memory ChannelPress Menu Mic UP /DWN Memory Channel TransferPress F, VFO to copy the Memory Channel data to the VFO Channel 0 ~ Press Call to recall the Call Channel Call ChannelWX1 WX2 WX3 WX4 WX5 WX6 WX7 Weather Alert K Market Models onlyChannel Display Page Scans the Call Channel ScanScan Type Purpose Storing a Program Scan Frequency Range Turn the Tuning control or press Mic UP/DWNNormal Scan Press MR to store the end frequency in the Memory Channel Press any key other than F or Power to stop Program ScanPress any key other than F or Power to stop MHz Scan Performing Program ScanChannels Press any key other than F or Power to stop Group ScanMemory Scan Press Menu 1sPress Call 1s to start the Call Scan Press any key other than F or Power to stop Call ScanCall Scan Priority ScanIcon disappears Memory Channel LockoutScan Resume Method Time-Operated Mode defaultCarrier-Operated Mode Seek ModeRejected Selective CallCtcss and DCS CtcssAvailable Ctcss Tone Frequencies Ctcss DCSDCS Codes DCS Code ID ScanFreq. Hz 1209 1336 1477 1633 Dual Tone MULTI-FREQUENCY Dtmf FunctionsManual Dialing Dtmf MonitorPress Menu Turn the Tuning control to select a Dtmf codeDtmf TX Hold Automatic DialerRelease Mic PTT Press REV10 4 Press any key other than REV or Menu to exit Dtmf Lock Meter Squelch APO Auto Power OFFAuxiliary Functions Beat ShiftÒoffó Beep FunctionFrequency Step Size Busy Channel LockoutKHz Default step size for each model is as followsDisplay Backlight Market CodePress F 1s Tune EnableLock Function Data Communication SpeedProgrammable Functions Microphone PF Keys Keypad Models onlyNarrow Band FM Operation POWER-ON MessagePress MR to move to the next digit Turn the Tuning control to select a characterProgrammable VFO TIME-OUT Timer Microphone Control Key RX Mode TX ModeStoring Power-on Space MIC LockKey MCP-1A can be downloaded at PS-33/53 SP-50BKMC-30 KMC-32 MC-60A KPG-46Maintenance TroubleshootingPress F again to reset the transceiver Resetting the TransceiverFull Reset Method With the transceiver power OFF, press F+ PowerPress VFO again to reset the transceiver VFO ResetVFO Reset Method With the transceiver power OFF, press VFO+ PowerTroubleshooting PTT Problem Probable Cause Corrective ActionGeneral SpecificationsNarrow 0.22 ∝V or less Transmitter

TM-271A, TM-271E specifications

The Kenwood TM-271A and TM-271E are robust dual-band transceivers designed for amateur radio enthusiasts looking for reliability, functionality, and ease of use. Both models operate in the VHF and UHF bands, specifically covering 144-148 MHz and 430-450 MHz, respectively. This versatility allows users to communicate across varied frequencies, making them suitable for a wide range of applications, from casual conversations to emergency communications.

One of the standout features of the TM-271A and TM-271E is their compact size, making them an ideal choice for mobile operations. Despite their small footprint, these radios pack a punch with a maximum transmit power of 50 watts in the VHF band and 35 watts in the UHF band. This power output ensures clear and effective communication over long distances, essential for outdoor activities and emergency situations.

The user-friendly interface of the TM-271 models includes a large, backlit LCD display, which provides clear visibility in various lighting conditions. The controls are intuitively arranged, allowing users to navigate functions with ease. Moreover, both models come equipped with an alphanumeric memory, allowing for the storage of up to 200 memories for easy access to frequently used frequencies.

Advanced features such as a built-in CTCSS (Continuous Tone-Coded Squelch System) and DCS (Digital Coded Squelch) enhance communication clarity by minimizing unwanted noise and ensuring that only desired signals are received. The TM-271A and TM-271E also support a wide range of modulation modes, including FM, allowing versatility in communication styles.

In terms of durability and build quality, the Kenwood TM-271 series excels with a rugged design that withstands the rigors of mobile use. The units are also equipped with a front-facing speaker that delivers excellent audio quality, ensuring clear communications even in noisy environments.

Another notable feature is the wideband reception capability, allowing users to listen to signals outside of the amateur bands, making these transceivers more versatile for everyday monitoring of public safety channels and other broadcasts. Furthermore, the inclusion of a built-in diagnostic function aids users in troubleshooting, ensuring that the radio remains in optimal working condition.

In conclusion, the Kenwood TM-271A and TM-271E are outstanding choices for amateur radio operators seeking a powerful, feature-rich, and user-friendly dual-band transceiver. Their combination of advanced technology, compact design, and rugged reliability makes them a popular choice among both novice and experienced operators in the radio community.
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