SPECTRUM SCOPE MONITOR

The Spectrum Scope Monitor allows viewing of operating activity on frequencies above and below your current operating frequency in the VFO mode, or viewing of memory chan- nel activity on the current memory group when in the Memory mode. When the Spectrum Scope Monitor is activated, the display indicates the relative signal strength on channels immediately adjacent to the current operating frequency.

Using the Spectrum Scope

1.Set the transceiver to the VFO mode in the desired band, or within the desired memory group.

2.Press the [FUNC] key momentarily, then rotate the SELECT knob, as needed, until Multi Function Row “h” [SCOP, WID, STEP] appears on the display.

3.Press the [A](SCOP) key momentarily to engage the Spec-

trum Scope.

4. When the Spectrum Scope is in operation, the relative sig- nal strength of stations on channels immediately adjacent to the current frequency will be indicated on the display.

5.While the Spectrum Scope is activated in the VFO mode, press the [B](WID) key to change the visible bandwidth. Available selections are ±10 (default), ±15, and ±63 channels. Press the [C](STEP) key to change the channel step resolution. Available selections are shown bellow.

Mode

Channel Steps (kHz)

CW, SSB, DIG

1.0

/ 2.5

/

5.0

AM

2.5

/ 5.0

/

9.0 / 10.0 / 12.5 / 25.0

FM, PKT

5.0

/ 6.25

/ 10.0 / 12.5 / 15.0 / 20.0 / 25.0 / 50.0

•While the Spectrum Scope is activated, press and hold in the [B] key for one second to change the Sweep mode. This allows you to switch between “Single Sweep” and “Continuous Sweep (default)” scanning modes.

•When the Spectrum Scope mode is in the “Single Sweep” mode, press and hold in the [A] key for one second to restart the Sweep.

•While the Spectrum Scope is activated, press and hold in the [C] key for one second to enable the “Meter Peak Hold” feature. This will show you the maximum signal level recorded on a particular channel.

6.To disable the Spectrum Scope, press the [A](SCOP) key once more.

The receiver’s audio output and S-meter are disabled when using the Continuous Sweep.

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FT-857 Operating Manual

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Vertex Standard FT-857 manual Spectrum Scope Monitor
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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.
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