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566intpwr [2007/05/20 20:43] (current)
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 +====== Orion Internal Power Adjustment ======
 +**From the Ten-Tec Reflector October 9, 2006**
  
 +There are three adjustments on A5 board (under speaker):
 +
 +  *R20   ​marked "​PWR"​ calibrates forward power measurement
 +  *R21   ​marked "​REF"​ calibrates reflected power measurement
 +  *R179  marked "ALC SET" calibrates actual output power
 +
 +Adjusting R179:
 +  *connect external power meter and dummy load;
 +  *set TX power to 100 W using MULTI knob;
 +  *press TUNE, then PWR and adjust "ALC SET" for 100 W on the external power meter.
 +
 +According to the schematics, A5 board is the same as on original Orion.
 +
 +73,
 +
 +Sinisa ​ YT1NT, VE3EA

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