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Download RF PRO-1B Installation Instructions This active magnetic loop
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KEY INPUT Switch 1 Switch 2 LOW OFF ON HIGH OFF ON LOW ON OFF HIGH ON OFF Default Settings 20 VDC ANTENNA POWER ON OFF OFF ON HIGH ≥ 1.2 VDC LOW ≤ 0.7 V DC DIP Switch ON 1 2 Figure 4. Power Inserter DIP Switch Settings Figure 5. Simplified Relay Interface Schematic +20 VDC To Loop Preamp (+20 VDC) Output to Receiver +20 VDC SW 1 +20 10k 10k Key from Transciever SW 2 Page 6 +20 VDC
