Daktronics C44 User Manual

Daktronics C-44 Drag RaceTimer & Accessories Installation, Operation Maintenance Manual ED-7175 Rev 11 -25 March 2004331 32nd Ave PO Box 5128

1-2 Introduction 1.2 C-44 Version Descriptions C-44 Version 2.0 Enhancements Split Tree Operation Split tree operation allows each side to coun

Introduction 1-3 There will not be a MOV displayed or printed if there was a foul, break-out or if True Win was not on. Auto Retrieve for Next Drive

1-4 Introduction C-44 Version 2.8 Added a configuration item to select if tied races will be selected by reaction time or by speed. Made Auto Tr

Introduction 1-5 1.3 C-44 Computer Update To correspond to European standards, Daktronics has replaced the C-44 with the new C-44 CE computer. This

New Track 2-1 Installation Section 2: New Track Installation 2.1 Unpacking/Damage Information Open all packages and inspect for shipping damage,

2-2 New Track Installation Packaging for Return: Package and pad the item well so that it will not be damaged in shipment. Electronic components

New Track 2-3 Installation Infrared Photocells Item Part No. # Part No. # Part No. # Part No. 1 0A-1067-0128 11 W-1267 21 0A-1067-0108

2-4 New Track Installation Electrical All electrical equipment used in the timing system runs on standard 120 Volts AC/60 Hz. Noise (Radio/PA) I

New Track 2-5 Installation Intermediate and Speed Trap Distances Refer to Drawing A-56354. With guard beam, the start line is the guard beam line

2-6 New Track Installation Isolation Interface Mounting The isolation interface is designed with all field cabling connections made with clampin

New Track 2-7 Installation Isolation Interface to Starters Box Interface Wiring *Isolation Interface Drawing A-56252 **Start Line Interface Drawi

2-8 New Track Installation Start Line Interface from Start Line J- Box Description To (SLI)* Cable Specifications Wire Color From (SLJB)**

New Track 2-9 Installation Intermediate One, 60'- Wiring between the isolation interface and the 60' photocell J-boxes use multiple one p

2-10 New Track Installation TB3-4 Red J1-1 SIGNAL-P TB3-5 Black J1-3 GND 1/8 Mile Right Lane (660N) TB3-6 Beldon 8760 (Dak W-1117) Shield Not Con

New Track 2-11 Installation Isolation Interface to Left Scoreboard Wiring List Description From (I/I)* Cable Specifications Wire Color To (Lef

2-12 New Track Installation the C-44 main screen appears on the monitor (Refer to Figure 1 in Section 3). Some adjusting of the monitor brightne

New Track 2-13 Installation switch on the starter’s console must be off to reset the timer. The switch on the starter’s console marked emergency a

C-44 Race Timer 3-1 Operation Section 3: C-44 Race Timer Operation 3.1 General Operation Access to all of the race controller’s functions is thr

ED-7175 P1067 Rev 11 — 25 March 2004 DAKTRONICS, INC. Copyright © 2003 All rights reserved. While every precau

3-2 C-44 Race Timer Operation entered by the user. There is also a maximum of two digits before and after the decimal point. After entering the di

C-44 Race Timer 3-3 Operation 1. General Disqualifications (DSQ)- Disqualifications are infractions manually entered by the operator <ALT>

3-4 C-44 Race Timer Operation Altitude Adjustment An Introduction to Altitude Adjustment Many race car engines run better, and consequently the car

C-44 Race Timer 3-5 Operation determine the tree handicap. This at altitude elapsed time value is shown on the screen after the word “Hdcp” for e

3-6 C-44 Race Timer Operation Note: The dial-ins were manually adjusted before being entered. The times and MPH shown are the actual unadjusted at

C-44 Race Timer 3-7 Operation If the cars had been racing at an actual sea-level track with dial-ins of 10.25 and 10.17 respectively, the handica

3-8 C-44 Race Timer Operation Reaction Timer All reaction times are calculated from the start of the green light. A perfect reaction time occurs w

C-44 Race Timer 3-9 Operation Setup Parameters Menu The Setup Parameters Menu <CTRL><F1>, illustrated below, is used to configure the

3-10 C-44 Race Timer Operation Continue to make entries until all the desired factors have been entered. If no entry is needed, just use the tab ke

C-44 Race Timer 3-11 Operation <F> Time Slip Format Option F is used to change the format of the time slips. The user has three formats to

3-12 C-44 Race Timer Operation <Ctrl-S> Scoreboard Diagnostics To activate the scoreboard diagnostics program press <CTRL><S>. Th

C-44 Race Timer 3-13 Operation System Configuration Settings The Configuration Menu <CTRL><F2>, illustrated here, contains basic syste

3-14 C-44 Race Timer Operation <E> Speed Format Option E is used to select speed format. The user may select either MPH or KPH. <S> S

C-44 Race Timer 3-15 Operation <A> Reaction Time Display Type Option A is used to specify a zero-based reaction time or a countdown rate-bas

3-16 C-44 Race Timer Operation switched to GO. That will start the delay tree countdown. Moving the switch to Reset will stop the countdown at any t

C-44 Race Timer 3-17 Operation Finish Line Distance- Race distance may be set to either 1/4 mile or 1/8 mile. Split Tree- Selecting on for Split

3-18 C-44 Race Timer Operation <P> Print Press <P> to create a printout of all 32 categories. This reference will be printed on the t

C-44 Race Timer 3-19 Operation <SHIFT><F1> will allow the left lane's vehicle number to be typed in. Once the number, name, or t

Maintenance & 4-1 Troubleshooting Section 4: Maintenance & Troubleshooting IMPORTANT NOTES: 1. Disconnect power before any repair or m

Table of Contents Table of Contents...

4-2 Maintenance & Troubleshooting Tree Problems Symptom/Condition Possible Cause/Remedy Tree does not light at all • Check power and fuse t

Maintenance & 4-3 Troubleshooting Photocell Problems Symptom/Condition Possible Cause/Remedy All • Check power to isolation interface • C

4-4 Maintenance & Troubleshooting To replace the boards inside the tree, first remove the front cover by removing the eight screws securing

Infrared Photocells A-1 Appendix A: Infrared Photocells A-1 Introduction to Infrared Photocells Reference Drawings: Infrared; Emitter/Receiver w/

A-2 Infrared Photocells At ranges within a few feet, the power of opposed scanner blocks makes alignment simple. However, even at short range, it

Infrared Photocells A-3 the sensing position, decrease the sensitivity adjustment (CCW rotation) until the receiver indicator LED goes off, plus two

A-4 Infrared Photocells At sensing distances up to three feet finding the target with the sensor beam may be difficult. Take a second target and w

Glossary of B-1 Drag Racing Terms Appendix B: Glossary of Drag Racing Terms Amber Countdown Lights- The three amber lights on the “Christmas” tree t

Miscellaneous Drawings C-1 Appendix C: Miscellaneous Drawings Infrared; Emitter/Receiver w/Stand 10O...

Printers...2-13

List of Figures Figure 1: ...C-44 Main Screen 3-1 Figure 2: ...

Introduction 1-1 Section 1: Introduction 1.1 How to Use this Manual The Daktronics C-44™ timer system utilizes the latest in microprocessor technol