click image to view SG-231 notes
Connectivity to ICOM IC-706 and ALINCO DX-70
All SGC couplers do not require communication back to the radio as tuning is initiated by the RF applied to the coupler, however, all imported radios have a tune button available on the front panel with a LED indicator. To take advantage of this availability, SGC has tested connectivity to the ICOM IC-706 and ALINCO DX-70 with the available controls. Note this is a feature of the SG-231 only, the SG-237 lacks this feature.
SGC couplers will perform with or without these connections and could be applicable to other radios not mentioned in this text.
click image to view SG-231 notes
ICOM
IC-706
1. Connect the SG-231 to the IC-706 per chart below.
2. The built-in coupler tune function will now work as follows:
B. As the coupler tunes, the <TUNE> LED will blink on and off.
C. When the coupler has tuned, the <TUNE> LED will remain on.
D. Once tuning has been accomplished per steps A,B and C above; depressing
<TUNE> again will result in the <TUNE> LED extinguishing indicating
that a match already exists.
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ALINCO
DX-70
1. Connect the SG-231 to the DX-70 per chart below.
2. The built-in coupler tune function will now work as follows:
B. Depress the <TUNE> button.
C. 'TUNE' will be displayed on the DX-70 LCD as the SG-231 tunes.
D. When the SG-231 has finished tuning, the 'TUNE' indicator on the
DX-70 will extinguish.
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