User`s guide

Chapter 15: Wireless
145
RELAY mode is used instead of changing the channel when synchroniza-
tion is required. Take the following steps to accomplish this:
1. Make sure the SELect channels on both controls are different.
2. Set one of the controls to RELAY mode by applying power while press-
ing the 1 key. The LCD will display RELAY mode. (If the relay control is
turned on, turn it off and wait 10 seconds before activating RELAY
mode).
3. Connect a twisted pair data cable (Fair-Play part number C01780)
from the lead control SCOREBOARD PORT 1 to the relay control
SCOREBOARD PORT 1.
4. Power up the lead control as usual.
In RELAY mode data is sent via the connecting cable from the lead control
to the radio transmitter of the relay control. The relay control then sends
the same data over its own radio channel to the receiving devices. All con
-
trol of the scoreboards is accomplished from the lead MP-70/50. Any
input on the relay control is ignored. The control in RELAY mode will stay
in RELAY mode until you again apply power while holding down the
1
key. The control toggles in and out of RELAY mode with this procedure.
Note: The relay control must be set to RELAY mode
before the controls are connected and power is
applied to the lead control, or damage to one or
both control outputs could occur.
Note: Turning the control off does not take it out of
RELAY mode, which was the case with firmware ver
-
sions prior to Version 2.03.