Time Base and Accuracy:
The time base is a custom quartz crystal, manufactured to operate within a tolerance of 10 ppm at 70 degrees F., which is equivalent to a maximum variance of .036 seconds per hour or, .864 seconds in 24 hours.

Electronics:
Solid-state microprocessor controlled, special low power design.

Timing Functions:
Count up/Count down
Time freeze or splits to 1/100th second
Time of day in 12 or 24 hour format
Multiple displays can operate in master/slave configuration. Also controllable by computer
Splits memory of over 1500 times and after-race review of splits
Pace time display

Time Measurement:
Hours, minutes, seconds (running display format)
Minutes, seconds, hundredths (splits display)

Digit Type:
High visibility Signalex™ low power seven segment electromagnetic flip type digits. Durable, long life digits have aluminum vanes faced with Scotchcal™ fluorescent yellow material.

Dimensions & Weight:

Four digit models (Single Sided)

4" Digits - 24.¹/₂" long x 6" high x 4.¹/₁₆" deep; 8.¹/₄ lbs.
6" Digits - 28.¹/₄" long x 12.¹/₄" high x 5" deep; 18 lbs.
9" Digits - 41.¹/₄" long x 16.¹/₄" high x 5" deep; 25 lbs.

Five and six digit models

4" Digits - 27.¹/₄" long x 6.³/₄" high x 5" deep; 5 digit - 12 lbs; 6 digit - 13 lbs.
6" Digits, one sided - 38" long x 12" high x 5" deep; 5 digit - 25 lbs; 6 digit - 26 lbs.
6" Digits, two sided - 38" long x 12" high x 6.¹/₂" deep; 5 digit - 37 lbs; 6 digit - 39 lbs.
9" Digits, one sided - 60" long x 16" high x 5" deep; 5 digit - 38 lbs; 6 digit - 40 lbs.
9" Digits, two sided - 60" long x 16" high x 6.¹/₂" deep; 5 digit - 54 lbs; 6 digit - 58 lbs.

Eight digit scoreboard

6" Digits - 60" long x 16" high x 5" deep; 41 lbs.

Construction:
Cabinet constructed of attractive heavy duty anodized custom aluminum alloy extrusions with Lexan™ lens. Keypad unit is a water resistant tactile membrane keypad on a high impact ABS plastic enclosure.

Power:
Internal rechargeable NiCad batteries will operate the unit 8 hours on a full charge (16 hours for 4" digit models). Recharges in less than 3 hours. May be operated on charger/adapter continuously.