9 MEMORY FEATURES

■Split-Frequency Channels

1Using VFO A, select a receive frequency and mode.

2Using VFO B, select a transmit frequency and mode.

3Press [RX A], [TX B] to select split-frequency mode.

¥The indicators in the [RX A] and [TX B] buttons must be ON.

AGC AUTO

SPLIT

 

RIT

 

USB

4Press [M.IN] to select Memory Scroll mode.

AGC AUTO

M.CH

USB

M. SCR

¥To exit from Memory Scroll mode and abort the storage process, press [CLR].

5Turn the M.CH/VFO.CH control to select a memory channel.

AGC AUTO

M.CH

M. SCR

6Press [M.IN] to store the frequencies and associated data in the selected memory channel.

¥Pressing [M.IN] writes your new data on any previous data in that channel.

Note: If you prefer, you can store the transmit data in VFO A and the receive data in VFO B instead.

MEMORY CHANNEL RECALL

Once a frequency with associated data is stored in a memory channel, this procedure allows you to retrieve that frequency and data.

1Press [RX M.CH] to select Memory Recall mode.

AGC AUTO

M.CH

USB

2Turn the M.CH/VFO.CH control, or press Mic [UP] or [DWN], to select the memory channel that you want.

¥After ascending to the maximum memory channel number, continuing to step in the same direction returns you to the lowest channel in a circular manner. This is also true when descending through the channels.

¥Continuously holding down Mic [UP] or [DWN] steps the transceiver through the memory channels until the button is released.

¥You cannot change memory channels while transmitting.

Note: Memory channels can be changed while using the TF-SET

function.

■Quick Channel Search

When looking for a particular programmed memory channel, it is quicker to activate the search mode as explained below. This mode can also be used to search only for vacant (non-programmed) channels.

Programmed Channel Search:

While in Memory channel mode, press [1MHz] to toggle the search function ON or OFF.

¥ÒMHzÓ lights when the function is ON. Now, only those channels that contain programmed data can be selected.

¥Attempting to change channels when there are no programmed channels to select causes an alarm to sound. The current channel cannot be changed in this case.

Vacant Channel Search:

While in Memory Scroll mode {page 56}, press [1MHz] to toggle the function ON or OFF.

¥ÒMHzÓ lights when the function is ON. Only those channels that do not contain data can be selected.

¥Attempting to change channels when there are no vacant channels to select causes an alarm to sound. The current channel cannot be changed in this case.

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Kenwood TS-870S instruction manual Memory Features, Memory Channel Recall, Split-Frequency Channels, Quick Channel Search
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TS-870S specifications

The Kenwood TS-870S is a distinguished transceiver that stands out in the world of amateur radio, particularly for enthusiasts who seek a blend of advanced technology and user-friendly features. Introduced in the early 1990s, this HF transceiver quickly gained a reputation for its exceptional performance, versatility, and reliability, making it a favorite among operators worldwide.

One of the most noteworthy features of the TS-870S is its direct-sampling technology, which allows for superior signal fidelity and processing. This technology enables the transceiver to operate across a range of 160 meters to 10 meters, catering to both casual and serious operators. Its high-performance 16-bit digital signal processing (DSP) facilitates effective noise reduction and filtering capabilities, enhancing the overall clarity during transmission and reception.

In terms of power, the TS-870S boasts an output of 100 watts, providing ample power for various communication needs. The transceiver is equipped with an automatic antenna tuner, which simplifies the task of matching the antenna to the operating frequency, ensuring optimal performance without the hassle of manual adjustments.

Another significant aspect of the Kenwood TS-870S is its user interface, featuring a large, easy-to-read display, and a logically arranged control layout. This makes it accessible for both novice and experienced operators. The built-in memories allow for quick storage and access to favorite frequencies and settings, enhancing operational efficiency.

The Kenwood TS-870S also includes various advanced features such as an optional 2.4 kHz and 6 kHz roofing filter which provides improved performance in crowded band conditions. The receiver's dual VFOs (Variable Frequency Oscillators) enable simultaneous monitoring of two frequencies, which is particularly useful for operators who need to keep track of multiple signals or engage in cross-band communication.

Apart from its technical specifications, the TS-870S is constructed with durability in mind, ensuring that it can withstand the rigors of frequent use. It supports various operating modes, including SSB, CW, AM, and FM, making it a versatile choice for diverse amateur radio activities.

In conclusion, the Kenwood TS-870S combines advanced technology with user-friendly characteristics, offering amateur radio operators an exceptional tool for communication. With its innovative features, robust performance, and flexibility, it continues to be a respected choice among radio enthusiasts, solidifying its legacy in the realm of amateur radio.
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