APPENDIX

MH-59A8J REMOTE MICROPHONE

[P1] key (Quick Split)

Press this key to change the Sub VFO frequency (Main VFO frequency + 5 kHz) and automatically engage the ”Split” feature.

You may program the configuration of this key, to enable use of a different function, via Menu Mode No-069[PG P1].

[P2] key

Press this key to engage the 1750-Hz burst tone for access of a repeater requiring tone burst (typically in Europe).

You may program the configuration of this key, to enable use of a different function, via Menu Mode

No-070 [PG P2].

123 A

456 B

789 C

 

0

D

A

 

 

C

 

 

C

P1

P2

DTMF MICROPHONE

MH-59

SEL knob

This rotary switch is used for VFO frequency tuning, memory channel selection, and receiver audio volume level adjustment.

SEL/DIAL key and Indicator

The SEL key switches the synthesizer steps of the SEL knob between the fine tuning (same as DIAL knob step) and coarse tuning (same as SEL knob step) modes.

When the “fine tuning” mode is selected, the SEL LED glows orange.

Press and hold in this key for one second to enable the “VOL” feature, which allows adjustment of the receiver audio volume level (by adjusting the SEL knob). When the “VOL” feature is engaged, the SEL LED glows green.

To return to the synthesizer step-selection mode, just press the SEL key.

[UP]/[DWN] keys

Press (or hold in) either of these keys to tune (or scan up or down) the operating fre- quency or through the memory channels. In many ways, these keys emulate the function of the FT-859’s DIAL knob.

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FT-857 Operating Manual

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Image 130
Vertex Standard FT-857 manual SEL knob, SEL/DIAL key and Indicator

FT-857 specifications

The Vertex Standard FT-857 is a compact and versatile all-mode transceiver that has become popular among amateur radio operators since its introduction. With its ability to operate in VHF, UHF, and HF bands, the FT-857 caters to a diverse range of communication preferences and provides exceptional performance for both mobile and base station applications.

One of the key features of the FT-857 is its coverage of a broad frequency range, spanning from 160 meters to 2 meters and covering the 70 cm band. This wide frequency coverage allows amateur operators to communicate with fellow enthusiasts across various bands, ensuring versatility in operational environments. The FT-857 offers an output power of up to 100 watts on HF and 50 watts on VHF/UHF, providing sufficient power for effective communication, whether in local or distant contacts.

Another distinctive characteristic of the FT-857 is its all-mode capability. It supports various modes of operation, including SSB, CW, AM, and FM, making it suitable for different operating styles and preferences. The inclusion of advanced digital signal processing (DSP) technology enhances audio clarity and offers noise reduction features, which are crucial in crowded bands. This DSP capability also aids in improving signal quality and overall communication experience.

Portability is a significant advantage of the FT-857. Its compact size and lightweight design make it an excellent choice for field operations and portable setups. Additionally, the transceiver is well-equipped with features such as built-in memory channels, allowing users to save and quickly access frequently used frequencies. The FT-857 also includes a built-in automatic antenna tuner, which makes it easier for operators to set up and optimize their antenna configurations without requiring additional external devices.

The FT-857 is designed with user-friendly controls and a clear LCD display, enabling operators to quickly adjust settings and monitor communication details without confusion. The visibility of the display is especially vital for use in different lighting conditions, ensuring that users can operate efficiently whether in bright sunlight or low light conditions.

In summary, the Vertex Standard FT-857 is a highly capable, compact transceiver that offers an effective solution for amateur radio communication. With its all-band, all-mode capabilities, robust DSP technology, and user-friendly design, the FT-857 remains a popular choice for both enthusiasts and professionals alike, facilitating engaging communication experiences across multiple bands and modes.