OPERATING BASICS

SWITCHING THE POWER ON/OFF

1Press [ ] (Power) to switch the transceiver power ON.

¥A high pitched double beep sounds and a Power-on message {page 60} appears briefly, followed by the frequency and other indicators.

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2To switch the transceiver OFF, press [ ] (Power) (1s).

¥When you turn the transceiver OFF, a low pitched double beep sounds.

¥The transceiver stores the current frequency and parameters when it is turned OFF and recalls these parameters the next time you turn the transceiver ON.

ADJUSTING THE VOLUME

Turn the Volume control clockwise to increase the audio output level and counterclockwise to decrease the output level.

¥If you are not receiving a signal, press the Mic PF key assigned the MONI function {page 59}, then adjust the Volume control to a comfortable audio output level. Press the MONI key again to cancel the Monitor function.

ADJUSTING THE SQUELCH

The purpose of Squelch is to mute the speaker when no signals are present. With the squelch level correctly set, you will hear sound only while actually receiving signals. The higher the selected squelch level, the stronger the signals must be to receive.

The appropriate squelch level depends on the ambient RF noise conditions.

1Press [F], [REV].

¥The current squelch level appears.

2Turn the Tuning control to adjust the level.

¥Select the level at which the background noise is just eliminated when no signal is present.

¥The higher the level, the stronger the signals must be to receive.

¥10 different levels can be set.

(0: Minimum ~ 9: Maximum; 1 is the default value)

3Press any key other than [ ] (Power) to store the new setting and exit the squelch adjustment.

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Kenwood TM-271A, TM-271E Operating Basics, Switching the Power ON/OFF, Adjusting the Volume, Adjusting the Squelch

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.