The CHA LRT 2.0 will only work with the CHA F-LOOP 2.0. Also, this is an electric device for mechanically rotating the loop tuning unit capacitor in place of the standard manual tuning knob – it is not an electronic Automatic Tuning Unit (ATU).
Installation of the Loop Remote Tuner Please use the following procedure to properly install the CHA LRT 2.0 to your CHA F-LOOP 2.0. Note that the CHA LRT-2 will only work with the CHA F-LOOP 2.0. In addition to the supplied components, you will need a #2 Phillips Screwdriver and a 7/64 in.
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3. Using the supplied Allen Wrench, remove the four existing machine screws from the front of the faceplate, Tuning Unit, as shown in plate (3). Set aside the Tuning Knob, and original machine screws - in case you ever want to restore the original manual Tuning Knob. Plate 3.
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6. Push Motor Assembly (B) onto Tuning Unit shaft by inserting the shaft of the Tuning Unit into the center hole of Motor Assembly ferrule, see inset plate (5). Align holes in Motor Assembly flange with threaded holes in the front of the new Plexiglass Faceplate (D). 7.
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12. Insert the supplied Allen Wrench (G) into the Motor Assembly (B) flange channel and tighten the first shaft set screw. Plate 6. Remote Tuner Unit Connection. Plate 7. Tightening Shaft Set Screws. CHA LRT 2.0 Page 7...
16. This completes the installation procedure for the Loop Remote Tuner. Loop Remote Tuner Operation The CHA F-LOOP 2.0 Loop Remote Tuner is very easy to use. See plate (8) and table (1) for an explanation of each control and connection on the Remote Tune Unit.
Table 1. Remote Tuner Unit Controls and Connection Description. See the HF Portable Loop Antenna 2.0 (CHA F-LOOP 2.0) Operator’s Manual for a complete description of how to tune the Loop Antenna. Summary: Press the “TUNE [UP]” and “TUNE [DOWN]” buttons on the Remote Tuning Unit until maximum signal strength is received.
Preventive Maintenance Remove the 9V battery if the Loop Remote Tuner is not going to be used for an extended period to prevent damage from battery leakage. Specifications • Power: 9V DC internal replaceable battery. • Remote Operation: Maximum of ft.
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