Mega 350-450 Instructions - DIGITAL DELAY

1 1 2036 Fillmore Street Davenport, Ia. 52804 563-324-1046 MEGA 350/450 WARRANTY AND DISCLAIMER DIGITAL DELAY INC. WARRANTS THE PRODUCTS IT MANUFACTURES AGAINST DEFECTS IN MATERIALS AND WORKMANSHIP FOR A PERIOD LIMITED TO 1 YEAR FROM THE DATE OF SHIPMENT, PROVIDED THE PRODUCTS HAVE BEEN STORED, HANDLED, INSTALLED, AND USED UNDER PROPER CONDITIONS. The company s liability under this limited warranty shall extend only to the repair or replacement of a defective product, at the company s option. DIGITAL DELAY INC. disclaims all liability for any affirmation, promise, or representation with respect to the products.

2 The customer agrees to hold DIGITAL DELAY INCORPORATED harmless from, defend, and indemnify DIGITAL DELAY INC. against damages, claims, and expenses arising out of subsequent sales of or use of DIGITAL DELAY INC. products, or products containing components manufactured by DIGITAL DELAY INC. and based upon personal injuries, deaths, property damage, lost profits, and other matters which BUYER, its employees, or sub-contractors are or may be to any extent liable, including without limitation, penalties imposed by the Consumer Product Safety Act ( 92-573) and liability imposed upon any person pursuant to the Magnuson-Moss Warranty Act ( 93-637), as now in effect or as amended hereafter.

3 No warranties expressed or implied, are created with respect to the company s products except those expressly contained herein. The customer acknowledges the disclaimers and limitations contained and relies on no other warranties or affirmations. 2 2036 Fillmore Street, Davenport, Ia. 52804 563-324-1046 Mega 350/ 450 instructions DIGITAL DELAY , the company that invented and patented the Crossover, and the Driver s Reaction Tester, designed and manufactured the Mega 350/450 especially for racers who race both Brackets and Pro Tree racing. The Mega 350/450 has two operating modes, Bracket mode and Pro mode. Both modes have their own settings, which are retained in memory when either the mode is turned off or even if power is removed from the Mega 350/450.

4 Contents: Warranty and Page 1 Features and Page 3 The Terminal Page 4 The Keypad and the Page 5 Bracket Mode Page 6 Screen 1-- Setting Dial-Ins and DELAY Page 6 Bracket Mode Settings for Screen 2 .. Page 7 Setting and Displaying the Tap Up/Down Page 7 Clearing the How Late time and the tap Page 7 Setting Push-button Mode and Interrupt Page 7 Setting the Selectable Function Output Mode ( ).

5 Page 7 Bracket Mode Settings for Screen 3 .. Page 8 Setting Starting Line Enhancer Time ( ).. Page 8 Setting the Programmable Throttle Stop Override ( ).. Page 8 Setting Time Ranges for Timer 1 and Timer 8 Bracket Mode Settings for Screen 4 and 5 .. Page 9 Setting timer 1 and 2 Stage Times and Throttle Page 9 Bracket Mode Settings for Screen 6 .. Page 9 Clearing the Peak Page 9 Setting Number of Cylinders.

6 Page 9 Setting Shift Modes, Shift Output Mode, and Shift Page 10 Testing the Shift Page 10 Pro Mode Page 11 Pro Mode Settings for Screen Page 11 Setting the Shift Point and Shift Page 11 Setting the Stage Times and Throttle Page 12 Setting the DELAY 12 How the Mega 350/450 work Understanding Pro Page 12 The Push-buttons for Pro Page 12 The Outputs for Pro Page 13 The Pro Mode Tach and Peak RPM Page 13 Understanding Common Pro and Bracket Mode Page 13

7 Understanding Bracket Page 14 Understanding the Dial-ins and Page 14 Understanding the Tap Page 14 Understanding the How Page 15 Understanding Push-button modes and Interrupt Page 15 Understanding the Selectable Function Output ( ).. Page 15 Understanding the Starting Line Page 16 How the Programmable Throttle Stop Override Page 17 Understanding the 4 Stage Page 17 Explanation of the Peak Page 17 Understanding

8 Time and RPM Page 18 Understanding the Drivers Reaction Page 18 Understanding the Replay (MEGA 450 Only).. Page 18 Understanding the Line Lock Page 19 Understanding and Connecting a By-pass push-button or Two or More Outputs Together. Page 19 Understanding How to Cancel a Timing Cycle using the Clear Page 19 Page 20 Mounting and Wiring the Page 21 3 Features and Specifications Features.

9 Microprocessor controlled timing Discrete I/O (input - output) construction Retains all numbers even with power disconnected from unit Large illuminated LCD (liquid crystal display) and keypad for easy reading of information day or night Self-test mode on all display functions Dust & splash-proof keypad with detent (positive feel) Hit the tree twice with one or two separate buttons Separate Bracket and Pro mode screens and settings Line Lock push-button input Can run two separate throttle stops at once High and low range settings for the 4 Stage Timers Instant timing cycle reset Programmable push-button interrupt time Built-in DIGITAL tachometer Shift on Time or RPM up to 5 times Works on 4, 5, 6, 8, 10, and 12 cylinder engines Selectable Function Output ( ) with four separate functions Secondary transbrake Second throttle stop timer Starting Line Enhancer ( )

10 Line Lock Controller Programmable Tap Up/Down feature for the DELAY Programmable Throttle Stop Override for the 4-Stage Timer A second 4-Stage Timer Programmable Starting Line Enhancer Built-in drivers reaction tester Built-in Replay Tach with two record speeds (MEGA 450 Only) DIGITAL data port for down loading (MEGA 450 Only) 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 Tach and RPM Switch Range: 800 to 12750 in 50 RPM increments Four Separate Output all rated at 15 Amps.