FODSPORTS FX4 PRO, User Manual

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Turn on unit D. Simultaneously hold the Intercom and "" button on both unit C and unit D for 2
seconds, until the red and blue lights flashes on both units to enter pairing mode for Channel 1.
unite unitD
Then Click the Intercom button on either unit, the blue light will flash quickly on this unit. Once the pairing
is completed you will see the blue lights flash on both units.
unit C or unit D unit C and unit D
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