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Outboard Racing Starting Clock

User Manual

Introduction:

Outboard Racing Starting Clock –  

Use for Countdown to Begin Boat 
Race

3-Digit Main Display (DSP3603A) with 36” High 
Digits 

Controller (DS204A-BSC) Capable of Count 
Down Timing between 5 Minutes and 0

Unistrut Stand (SUPERSTRUTB-1400-HS)

Race Clock Cover

Go online for video tutorials - 

http://sports-

timer.com/boat-race-clock/

Components:

Controller (DS204A-BSC)

4-Digit Display with 2.5” High Digits

6 Waterproof Buttons in Water Resistant 
Enclosure

One Connector for Connecting to Right Digit of 
Main Display: 30' 4 -Conductor 18GA Cable

Power Specifications

Display Input Voltage Range: 12-14.5 Volts DC

Display Powered by 12 Volt Car Battery

Display Alternate Power Source: 15 AMP or 
Larger Power Supply may be used

Current consumption: 

All Segments ON: 12 AMP

All Segments OFF: 1/2 AMP

Cables

Left Digit to Center Digit: 40” 7-Conductor 14GA
Cable

Center Digit to Right Digit: 40” 7-Conductor 
14GA Cable

Right Digit to Power Source: 15” 4-Conductor 
14GA Cable

If you have an optional second display, a 10' 4-

Main Display (DSP3603A)

Overall Display Size 48” High x 96” Wide

3-Digit Display showing M:SS (min & sec)

Digits 36” High x 21” Wide

Red LED Solid Segment Digits

Digits Each in Separate Enclosures 

Enclosure Each 48” High x 32” Wide

Enclosure Covered with 1/8” Thick 
Transparent Red Plexiglas (#2423)

Left Digit

LED Clusters to Represent Colon 
between Min and Sec in Mode 0 & 1

Chassis Mount Connector x 1 for Power 
and Data from Center Digit

Center Digit

LED Cluster to Represent Decimal 
between Sec and Tenths in Mode 1

Chassis Mount Connector x 2, 1 for 
Power and Data, 1 to Pass Power and 
Data to Left Digit

Right Digit

Chassis Mount Connector x 4, 3 Supply 
Power and Data for all 3 Digits (see 
Wiring Diagram for Connection Details), 1
for Camera LED

www.alzatex.com

1

Alzatex, Inc.

Summary of Contents for DSP3603A

Page 1: ...l Segments OFF 1 2 AMP Cables Left Digit to Center Digit 40 7 Conductor 14GA Cable Center Digit to Right Digit 40 7 Conductor 14GA Cable Right Digit to Power Source 15 4 Conductor 14GA Cable If you ha...

Page 2: ...sed LED Connected with 30 2 Conductor 18GA Cord to Connector in Right Digit See Optional Additions Section for Additional Optional Features Unistrut Stand SUPERSTRUTB 1400 HS Stand for supporting each...

Page 3: ...s using 3 8 x1 hex bolt flat washer 3 8 channel nut drop nut into channel and rotate into place first by hand then using the 9 16 Socket or Box Wrench Before tightening fully insert an Upright piece b...

Page 4: ...down display shows 3 00 Button 3 labeled 1 MIN Set timer for 1 min countdown display shows 1 00 Button 4 labeled V1 MIN Remove 1 min from current countdown if timer already counting down it will not i...

Page 5: ...ld the Test Setup button for approximately 2 sec to enter Setup Mode display will show d09 Within one second tap the Test Setup button two times The display will show E4 Wait for at least 2 seconds Pr...

Page 6: ...utput to auxillary devices or to a computer Press and hold the Test Setup button for approximately 2 sec to enter Setup Mode display will show d09 Within one second tap the Test Setup button three mor...

Page 7: ...ssed to pause the timer Power Sources Choose at Least One Car Battery Adapter Cable Voltage Standard 12 Volt Car Battery Inline Fuse Install a 15 or 20 AMP Fuse WARNING Do not use larger than a 20 AMP...

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