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Author Topic: FT-847 connection to Rigblaster Plus  (Read 1243 times)
EI6IL
Member

Posts: 21




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« on: February 25, 2008, 03:17:47 PM »

Hi Folks,
    Would like to hear from anyone out there that has connected the Rigblaster Plus with the Yaesu FT-847.
Not too sure about the RX audio from the rig.
I dont fancy connecting the the speaker output of the radio to the line input on the computer as then I would have to plug in and out everytime I switch from digital modes to microphone.
I used to have the rigblaster interfaced to the ACC socket on my FT-736 until my "junior operator" switched on the 736, depressed the MOX for 6 hours and the rest is history.
Unfortunately the FT-847 doesnt have the ACC socket.
I connected an audio cable from the data in/out (which has a fixed audio level) on the 847 directly to the line input on the computer but when I switch on the radio it jumps straight into transmit !!

Thats the story from this side,
Best 73's from EI
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W5RKL
Member

Posts: 893




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« Reply #1 on: February 26, 2008, 03:25:35 AM »

Page 16 of the FT-847's manual shows how to connect
PTT, audio into and audio out of the FT-847 for
RTTY and other audio based HF digital modes. A 3.5mm
stereo plug is required as stated on page 28 of
the 847's manual.

Use a sound card interface with transformers and opto
isolators for complete isolation between the radio
and the computer's sound card. This method greatly
reduces the chances of hum and ground loops. Most
all commercially available sound card interfaces
use this method of interfacing a radio with the
computer's sound card.

73
Mike
W5RKL

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