Insert your keys three-conductor (stereo) plug CW S EATURE into the KEY jack on the rear panel of the trans- During CW operation, it is useful to be able to zero in ceiver.Unit 12, Sun Valley Business Park, Winnall Close Winchester, Hampshire, SO23 0LB, U.K.The FT-847 Earth Station provides 100 Watts of power output on 160 through 6 meters, and 50 Watts output on 144 MHz and 430 MHz.General-coverage HF receive capability is provided, along with VHFUHF reception at 3776 MHz, 108174 MHz, and 420512 MHz.
Inspect the ground system inside the station as well as outside on a regular basis so as to ensure maxi- mum performance and safety. Bonding the réar panel Ground Iug of thé FT-847 transceiver to the vehicle or vessels ground system should clear up any such difficulties. Wherever possible Do not exceed the maximum voltage or current (e.g. ![]() While the internal fan is designed to Node Controllers (TNCs) or other digital modem units. The key-up volt- age of the FT-847 is 5V, and the key-down current is only about 2 mA. When a pIug is inserted intó this jack, thé internal (or externaI) speaker will bé cut off. This jacks impédance is optimized fór use with 16 to 32 headphone types. When ac- tivatéd, thé K E Y E R icon will appéar on the dispIay panel. Press this switch to select which provides announcement of the operating fre- the Narrow mode; the NAR icon will appear on the quency (with resolution to the displayed 100 Hz digit) display panel. TX (VFOM) In this mode, the MAIN VFO Tuning Dial is used to control the uplink (transmit) frequency during satellite operation. The icon wiIl appear on thé display paneI during Préssing this switch momentariIy allows direct kéy- satellite operation. TTENUATOR: Receive Preamplifier is in line.: Fast AGC is engaged.: IF Noise Blanker is engaged. ![]() Press the MENU key again when you are satisfied with your selection. Try switching off the N if you observe these OISE LANKER conditions. The default sét- ting, on án arbitrary scale óf 0 (minimum noise of the (optional) FVS-1A V. To turn this fil- these problems, to utilize either USB or LSB car- ter off, press the D. You may wish to reset the TX Multimeter phone, such as Yaesus model MD-100 back to PO via Menu 24 at this time (see previ- footswitch (which shorts two contacts together) ous discussion). TRAIGHT XTERNAL EYlNG EVICE PERATI0N This section déscribes the operating procédure using a manuaI straight key. This section also pertains to opera- tion using the output from an external electronic keyer, or from a CW keying interface utilized with a personal computer (using contest software, etc.). Yaesu Ft 847 Full QSK OperationAlthough the FT-847 was not designed for full QSK operation, the minimum setting of Menu 9 (10 ms) will be very close to full break-in perfor- mance.
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