MP-73/53 G3 Wireless Option
MP-70/50 • MP-72/52 • MP-73/53 • PN 98-0002-29 • REV 1709.13 121
WARNING! Metal objects between the transmitter and receiver
can block the radiation path or reduce the
transmission distance, so external antennas should
be positioned away from them as much as possible.
Some objects that are often overlooked are:
• metal fencing • metal studs or beams in structures
• metal poles • metal rods in concrete
• vehicles • metal enclosures
• elevators • ventilation ducts
• refrigerators • microwave ovens
• batteries • tall electrolytic capacitors
RANGE (G3)
The control transmitter must be:
1. Located within range of the
scoreboard receiver.
500 feet indoors
1,500 feet outdoors.
2. Located within a 180° degree arc
in front of the scoreboard receiver
to prevent the scoreboard from
blocking the signal.
Note: The wireless signal is largely immune to conflicting radio frequency signals
from cordless telephones, cellular telephones, microwave ovens and other
radio frequency devices. For more information on interference, see RADIO
FREQUENCY INTERFERENCE on page 133.
FACTORY PRESETS (G3)
The wireless MP-73/53 control has been programmed at the factory to use the
correct scoreboard type, group number and data format as instructed in
PROGRAMMING THE SYSTEM SETTINGS on page 142.
Note: To establish a communication link, the MP-73/53 and the scoreboard must
be set to the same group number or group and the scoreboard type must
be correct for the scoreboard to function correctly. Refer to SET
SCOREBOARD GROUP NUMBER (G3) on page 123, SET GROUP NUMBER (G3) on
page 126, or to SCOREBOARD TYPE on page 143.
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