FRONT PANEL CONTROL & SWITCHES

MULTI FUNCTION KEY DETAIL

Multi Function Row “p” (MFp) [DNR, DNF, DBF]

Ó

Ó

Ó

[A]

[B]

[C]

[A] Key: DNR

Press the [A](DNR) key to activate the DSP Noise Reduction system (requires the optional DSP-2Unit).

Press and hold in the [A](DNR) key for one second to recall Menu Mode No-049[DSP NR LEVEL] (for setting the degree of DSP Noise Reduction).

[B] Key: DNF

Press the [B](DNF) key to activate the DSP’s Auto Notch Filter (re- quires the optional DSP-2Unit).

[C] Key: DBF

Press the [C](DBF) key to activate the DSP’s receiver Bandpass Filter (requires the optional DSP-2Unit).

In the SSB, AM, FM, and AFSK modes, press and hold in the [C](DBF) key for one second to recall Menu Mode No-047[DSP LPF CUTOFF] (for adjusting the high-frequency cutoff of the DSP Bandpass Filter). Once there, rotating the SELECT knob one click counter-clockwise will select Menu Mode No-046, for adjustment of the low-frequency cutoff frequency.

In the CW mode, press and hold in the [C](DBF) key for one second to recall Menu Item No-045[DSP BPF WIDTH] (for setting the CW bandwidth).

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Multi Function Row “q” (MFq) [MONI, QSPL, ATC] (Programmable Keys)

Ó

Ó

Ó

[A]

[B]

[C]

[A] Key: MONI

Press the [A](MONI) key to disable the Noise Squelch.

You may program the configuration of this key via Menu Item No- 065 [PG A].

[B] Key: QSPL

Press the [B](QSPL) key to activate the “Quick Split” feature, whereby you will change the Sub VFO frequency to be the Main VFO fre- quency + 5 kHz; you will also automatically engage the “Split VFO” feature.

You may program the configuration of this key via Menu Item No-

066[PG B].

[C] Key: ATC

Press the [C](ATC) key to activate a 1750-Hz burst tone for 2 seconds when pressing the PTT switch while the channel is clear.

You may program the configuration of this key via Menu Item No-

067[PG C].

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FT-857 Operating Manual

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Vertex Standard FT-857 Multi Function Row p MFp DNR, DNF, DBF, Multi Function Row q MFq MONI, QSPL, ATC Programmable Keys

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.