Other G8SLB Stuff
Drives the transceiver PTT using the transmit audio from the soundcard (VOX). The 500mV drive from the soundcard is attenuated down to 100mV for the typical 'accessory' socket on the transceiver. Could be used for SSTV, RTTY, PSK, Packet etc.... Rx signal goes straight through. Fit your own 'plug', as shown, or I will fit your (supplied with your order) connector for just a little extra. Offers a novel, and well tested, method of control for most situations. Some soundcards can supply the input drive level required from the LINE OUT socket but 'on-board' types will need to use the SPEAKER OUT instead.
Most Serial Port ('HamComm' or similar) interfaces can be modified to work with your soundcard, PTT control being provided by the interface, and audio for Tx and Rx derived from/to the LINE sockets of the soundcard. All the original features of your interface are retained. My 25FD shrouded version complete with 1.5 metres of shielded cable, offers an easy conversion, but the modification can be 'spliced' into the cable as an alternative. Normal cost of conversion £15.
A branched adaptor cable for Yaesu FT-847 allows ALL mode operation with this transceiver. Input and output levels are optimised to 100mV for the typical interfaces that might be used. Note that the information supplied in your manual is incorrect and you will enjoy hassle free operation using this cable.... So leave the Mic. plugged in and use the proper accessory ports for your interfacing.
I absolutely HATE making up switchboxes, but if you offer me LOADS OF MONEY !, then I might consider such demeaning trivia. Make sure that you give your EXACT requirements, and I will quote for same, but remember to state correct specifications (levels/impedances etc.) as this information is vital. Then you might even get something that works, but don't rely on this, as your beautifully printed 'user-manual' probably tells you complete 'porkies' (lies) !
*NEW* Auto-Mute 'switchless' mic/tones switchbox *NEW*
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