3
Features and Specifications
Features:
• Microprocessor controlled timing
• Discrete I/O (input - output) construction
• Retains all numbers even with power disconnected from unit
• Large illuminated display for easy reading of information day or night
• Self-test mode on all display functions
• Dust & splash-proof backlit keypad with detent (positive feel)
• Hit the tree twice with one or two separate button
• Instant timing cycle reset
• Programmable push-button interrupt time
• Programmable Tap Up/Down feature for the delay (In pushbutton mode 1 or 3)
• Programmable Starting Line Enhancer (MEGA 85 w/ 4 Stage Timer only)
• Built-in drivers reaction tester
Specifications:
• Input Voltage Range: 10 to 18 Volts DC (16 Volt compatible)
• Operating Temperature Range: 0 to 150 degrees F.
• Push-button Current: .1 AMPS at 12 VDC
• Two Separate Inputs
• P.B. 1
• P.B. 2 or Tap P.B.
The Terminal Strip
+12VDC Terminal: Connect the +12VDC terminal to a switched +12 Volt source with enough amperage
capable of driving all outputs at the same time.
Transbrake Terminal: Connect the Transbrake terminal to the Transbrake solenoid.
Connect the low side of the 2-Step here, if used.
Ground Terminal: Connect the Ground terminal to the Neg. terminal on the battery or to good steel
ground, not
aluminum.
PB-1 Terminal: In Push-button Mode 3 the push-button connected to PB-1 terminal is used
to control the primary delay and the secondary delay in sequence. In Push-button Mode 1 & 2
the push-button connected to PB-1 terminal is used to control the primary delay only.
PB-2 Terminal: In Push-button Mode 2 the push-button connected to PB-2 terminal is used to control the secondary
delay only. In Push-button Mode 1 & 3 this terminal can be used for a Tap pushbutton connection.
After a Transbrake push-button has been released, every time the Tap push-button is depressed a programmable
amount of time is either added to, or subtracted from, the first delay time started until the transbrake is released.
Throttle Stop Terminal: Connect throttle stop wire to this terminal. This can be used as a
starting line enhancer or down track throttle stop controller. This is only on the MEGA 85 w/ 4 Stage Timer.
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