Hello Ed- I am only familiar with adjusting those values through the front panel. My FT1000 is long gone. GL
Bill W2PKY On Fri, Apr 12, 2019 at 2:36 PM Ed Stokes <[email protected]> wrote: > Hi Bill, > > Another extremely helpful comment. > > As you may have noted in my previous post, I am not co-located with the > equipment. > > Is it possible to access this menu via the serial interface? > > Otherwise, I will have to wait until next month when I am at home again > and have physical access to the radio. > > Thanks. > > 73, Ed > W1KOK > > > >From W8JI.com, maybe 5000 has similar adjustments. If the IF Transmit Gain > was too high the 1000 would exhibit huge power spikes on key down or > pressing the mike PTT button. > > Transmit Gain Menus > > The FT-1000 MK V has hidden transmit gain menus. They are accessed by > pushing and holding FAST and LOCK while turning the POWER switch on. Both > of my MK V's and every MK V serviced here has had the TX IF gain set too > high. This causes first character clicks on CW and spits and splatter on > SSB. Here is how to correct the IF gain to prevent ALC clipping on leading > edges of CW and voice: > > Press and hold FAST and LOCK before and during initial POWER on. > > Press FAST and ENT at the same time. You are now in the MENU's and the > display should say "0-1 GrPI-cH". > > Turn the VRF/MEM CH counter-clockwise to 9-2. The display should say "t iF > - GA in" This is the transmit IF gain menu. > > Turn the SUB VFO knob clockwise one position to " t iF - 018". This is the > 1.8MHz transmit IF gain. > > Press the ALC/COMP meter selector until the bar graph says "ALC". Set RF > PWR knob to full power. > > With the radio on CW and a 50 ohm dummy load connected, close the key and > adjust the MAIN VFO-A knob until the ALC display is about 75-85% of full > scale on the illuminated bar marked "ALC". > > Press the next band button (3.5), make sure the radio is still on CW, and > turn the SUB VFO-B knob clockwise one band to "t iF - 035". > > Again adjust MAIN VFO-A until ALC is at 75-85% of full scale. > > Repeat this process through all bands. > > Most radios I have tested require a setting of 2 to 4 on TX IF gain, with 3 > being the most common setting. > > This change will reduce SSB bandwidth and distortion. It will also reduce > keyclicks and annoying thumps on the leading edge of each Morse character. > > Hope this helps; > > Bill W2PKY > > > > _______________________________________________ > wsjt-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/wsjt-devel >
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