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Back Panel:
The rear panel of the FTL-Meter has two jacks, a rocker switch, and two access holes for adjustments.
The DC Coax jack accepts a 2.5 x 5.5mm coaxial DC power cable, 12V, 250mA, center positive.
External power is only required if use of the internal backlight is desired. The meter functions correctly
otherwise without it.
The jack marked “Radio” accepts an 1/8” stereo plug, the other end of which plugs into the meter jack
on the FT-857 or FT-897. If desired, a standard headphone extension cable may be used to place the FTL-
Meter farther from the radio.
The rocker switch is used to turn the internal backlight on and off. It may be desirable to turn off the
internal backlight when attempting to conserve battery power.
The brightness of the backlight may be adjusted with a small flat blade screwdriver. Carefully insert the
screwdriver into the hole labeled “Brightness”, and gently turn the potentiometer left or right until the
desired brightness is achieved.
The full-scale reading may be adjusted by turning the potentiometer marked “FS” on the rear of the
meter. See the section on Calibration for details.
Installation:
The FTL-Meter is intended for indoor use only; it is not water-resistant. If you use it outdoors, (QSO
Party outdoor barbecue, for example) you must protect it from rain.
Place the FTL-Meter in a convenient location near the FT-857 or FT-897. The included cable has a six
foot reach.
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