All American MP-7454, Operating Instructions And Service Manual, Page: 8 / 24

An 'H' is displayed on the LCD when this function is enabled.
3.9 Period
Entries to the above function is made in the same manner as direct entry for Team
Scores.
3.10
Track Operation
For track operation, use Code 82. The timer will now count up from zero
When in the track mode, the console LCD will display two timers. If you want to know
the split times push SPLIT . The bottom timer will stop so that you can read the
time. Now if you push RESUME , the timer will show what the top timer shows,
and
resume timing.
The 1/10 second digit will work with the track code but not with the football code.
WARNING
120 VAC wires are exposed whenever the cover over the controller assembly is
removed from the scoreboard. Use extreme caution during troubleshooting or repair.
To avoid possible damage to equipment or personal injury, always turn off the main
power before removing the cover or replacing assemblies.
4. MAINTENANCE AND TROUBLESHOOTING
4.1 Introduction
This section gives maintenance and troubleshooting information. Included are
troubleshooting guides for typical scoreboard malfunctions. If the cause of a
problem cannot be determined, please contact the Customer Service Department.
4.2 Test
Equipment
A simple analog or digital voltmeter will be sufficient for all user repairable
problems. Printed circuit boards requiring troubleshooting should be returned to the
factory.
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