Kenwood TS-990S Operation Manual - Page 18
Key For Cw (key), Keypad (keypad), Connection To Audio Devices With Optical Digital Input Terminal
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1 INSTALLING AND CONNECTING THE TRANSCEIVER KEY FOR CW (KEY) For CW operation without using the built-in electronic keyer, the plug from a electronic key, a straight key, a external electronic keyer or a PC keyer can be connected. The KEY jack accepts a 2-conductor (mono) plug with a 3.5 mm (1/8") diameter. Shorting the center pin of the jack to its outer represents "keydown". Depending on how you configure the menu, you can connect a paddle to the KEY jack and use the internal electronic keyer instead. {page 5-19} Note: ◆◆Refer to Chapter 5 "ASSISTING YOUR SMOOTH QSO" for the details of the built-in electronic keyer. {page 5-19} KEYPAD (KEYPAD) You can connect a personalized (self-made) PF keypad to the KEYPAD connector. {page 16-7} CONNECTION TO AUDIO DEVICES WITH OPTICAL DIGITAL INPUT TERMINAL With a commercially available optical digital cable an audio device can be connected to the transceiver. Note: ◆◆Connect the transceiver to the audio device using the commercially available optical digital cable with the TOSLINK connector. ◆◆If the transceiver is connected to the audio device, the transceiver may not work correctly depending on the operating environment of your PC. {page 18-11} ◆◆Turn the transceiver power ( ) and audio device OFF, then connect the transceiver to the audio device. ◆◆If you turn the transceiver power ( ) ON while the audio signal sourced from the transceiver is being recorded by the audio device, the digital processing cannot be synchronized when you turn the transceiver power ( ) ON next time; hence, the audio device cannot correctly record. Turn the transceiver power ( ) after the recording by the audio device has been stopped completely. CONNECTION TO THE EXTERNAL DISPLAY UNIT You can connect the transceiver to an external display using the commercial available DVI cable. The ferrite core is supplied with the transceiver (E-type only), and to connect the transceiver with an external display, you must attach the ferrite core to the DVI cable. You can view the same contents using an external display as those that are displayed on the main screen. {page 16-18} Note: ◆◆Use an external display with 800x600 or 848x480 resolution. METER Connect to a commercially available meter. {page 16-15} 1-4 Index Contents
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