Reset pairings for both Coach (V4) radios
Press and hold the INTERPHONE/ON button until the LED turns on. Press and hold both A and B buttons together until the LED flashes red before switching back to flashing blue.
Pair first Coach (V4) radio with first Umpire (V6) radio
Press and hold button A on the Coach (V4) radio whilst at the same time press and hold the INTERPHONE button on the Umpire (V6) radio until the LED on both units are flashing red and blue continuously.
Press button A on the Coach (V4) radio - the LED on the V4 radio will flash blue as it seeks to pair with the V6 radio. When the units have paired, both units will flash blue. When this occurs, briefly press button A on the Coach (V4) radio to switch to talk mode.