[BC] Harris HT3.5 tuning issue

donroden at hiwaay.net donroden at hiwaay.net
Mon Jun 11 15:03:34 CDT 2012


Quoting radioranger <radioranger at comcast.net>:

> Also,  there's a procedure in the manual to adjust IPA reflected power by
> moving a combination of the front panel multimeter switch and a rotary
> switch on the transmitter controller card, but I get no reflected power
> reading--- a blown diode in the directional coupler, maybe.  Of course when
> this problem cropped up my Bird wattmeter was at home a hundred miles away.
>
> Steve Brown
> Radio Rangers
> Minneapolis

The main knob is set to "overloads"  and the controller card switch  
goes to position #9 (IPA vswr )   rock the grid tune .... grid current  
should increase and  ipa reflected should head towards zero. Trust  
grid current if there is no indication of vswr.

Don Roden



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