Fair-Play SP-70, User Manual

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The SP-70 battery option provides an on-board power source that virtually
eliminates the need to plug the control into an AC voltage outlet to oper-
ate a scoreboard. AC voltage is only required during battery recharge.
When the battery powered SP-70 is used in tandem with a battery pow-
ered MP-70, the scoreboard control system’s versatility is significantly
enhanced.
The battery pack, which is housed inside the control, is a rechargeable
Nickel Metal Hydride (Ni-MH) cell assembly that has been exclusively
designed and packaged for use in the SP-70 controller. Under typical
operating conditions, it will generate a minimum of eight hours of control
power before recharging is required. The battery charge level is continu-
ously monitored by the control’s microprocessor and is displayed on the
LCD readout. The battery charger, supplied with the battery control, can
be plugged in and used at any time to feed power to the control if the bat-
tery’s charge is too low.
To maximize battery life, it is important to observe proper operating,
recharging and storage recommendations and precautions, which are out-
lined in the remainder of this chapter. With proper care, the battery pack
should provide years of service.
Battery control features
The physical appearance of an SP-70 control equipped with the battery
option is similar to that of a control powered by AC voltage. The differ-
ences are found on the bottom and back panels. The bottom panel has a
removable tray that allows quick access to the battery pack for easy inspec-
tion or replacement. The back panel has a white ON/OFF power switch
instead of the black one used on AC-powered controls, and a 5/8-inch
diameter circular battery charger connection port in lieu of a seven-foot
power cord.
Battery
Option