Kenwood TS-890S Operation Manual - Page 73

RTTY Operation

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COMMUNICATING AIDS 5 Configuring the Repeat Playback Interval The time interval for repeating playback of a CW message can be configured. Configure in Menu [5-16] "CW/Voice Message Retransmit Interval Time" Setting Value 0 to 10 (default) to 60 [s] (1 step) Configuring to a larger value lengthens the playback interval. RTTY Operation This transceiver comes with a built-in demodulator for RTTY operation, a RX decoder and a TX encoder. It is possible to operate in RTTY (FSK) independently by combining the use of a commercially available USB keyboard. Also, it is possible to operate in the RTTY mode by connecting an external device. ● Before operating in the RTTY mode, adjust the carrier level while checking the ALC meter. Interrupt Keying Operating the paddle while playback or transmission of a CW message is in progress allows the CW message playback or transmission process to be interrupted for the Morse code input using the paddle to be inserted. Configure in Menu [5-10] "Interrupt Keying" Setting Value Off (default)/ On Displaying the RTTY Communication Screen 1 Press [FSK/PSK] to select RTTY (FSK) mode. 2 Press F3 [DECODE]. The RTTY communication screen appears. Text Display Area + FFT Scope Deleting a CW Message The steps to delete a CW message that is registered in Channel 1 to Channel 8 are as follows. 1 Press F2 [KEYER] to display the CW Message screen. 2 Select a channel number that contains the CW message to delete. 3 Press and hold F5 [(DELETE)] to delete the CW message. Text Display Area + X-Y Scope Switching between the FFT Scope and X-Y Scope Display The display toggles between the FFT scope and X-Y scope each time the scope display is touched. ● The RTTY communication screen will not be displayed if Menu [2-06] "FSK Spacing" is not configured to "170 [Hz]". ● Noise Reduction 1, Noise Reduction 2, Beat Canceler 1, Beat Canceler 2, audio peak filter and RX DSP equalizer do not function during decoding of RTTY messages. The layout of the RTTY communication screen is as follows. TX/RX Details Indicator Displays FFT Scope ... Character String Buffer Waterfall Threshold Level Indicator Displays Indicates the status of the function. TX/RX Details Displays the character strings that are transmitted or received. Character String Buffer Character strings to be transmitted. 5-17

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Configuring the Repeat Playback Interval
The time interval for repeating playback of a CW message can be
configured.
Configure in Menu [5-16]
“
CW/Voice Message
Retransmit Interval Time
”
Setting Value
0 to 10 (default) to 60 [s] (1 step)
Configuring to a larger value lengthens the playback interval.
Interrupt Keying
Operating the paddle while playback or transmission of a CW
message is in progress allows the CW message playback or
transmission process to be interrupted for the Morse code input
using the paddle to be inserted.
Configure in Menu [5-10]
“
Interrupt Keying
”
Setting Value
Off (default)/ On
Deleting a CW Message
The steps to delete a CW message that is registered in Channel 1
to Channel 8 are as follows.
1
Press F2 [KEYER] to display the CW Message
screen.
2
Select a channel number that contains the CW
message to delete.
3
Press and hold F5 [(DELETE)] to delete the CW
message.
RTTY Operation
This transceiver comes with a built-in demodulator for RTTY
operation, a RX decoder and a TX encoder. It is possible to operate
in RTTY (FSK) independently by combining the use of a
commercially available USB keyboard. Also, it is possible to
operate in the RTTY mode by connecting an external device.
●
Before operating in the RTTY mode, adjust the carrier
level while checking the ALC meter.
Displaying the RTTY Communication Screen
1
Press [FSK/PSK] to select RTTY (FSK) mode.
2
Press F3 [DECODE].
The RTTY communication screen appears.
Text Display Area + FFT Scope
Text Display Area + X-Y Scope
Switching between the FFT Scope and X-Y Scope
Display
The display toggles between the FFT scope and X-Y scope each
time the scope display is touched.
●
The RTTY communication screen will not be displayed
if Menu [2-06]
“
FSK Spacing
”
is not configured to “170
[Hz]”.
●
Noise Reduction 1, Noise Reduction 2, Beat Canceler 1,
Beat Canceler 2, audio peak filter and RX DSP equalizer
do not function during decoding of RTTY messages.
The layout of the RTTY communication screen is as follows.
Threshold Level
Waterfall
Character String Buffer
FFT Scope
Indicator Displays
TX/RX Details
Indicator Displays
Indicates the status of the function.
TX/RX Details
Displays the character strings that are transmitted or received.
Character String Buffer
Character strings to be transmitted.
COMMUNICATING AIDS
5
5-17