BestTrack Champ Timer Operations Instructions download pdf (Page 7)

If you do decide to mount the start switch please note the following wiring

information.

WIRING INFORMATION: The supplied sensor switch has three terminals marked

C(Common), NC(Normally Closed) and NO(Normally Open). The preferred method

is to have the switch pressed before the race and un-pressed when the race starts.

This method requires the use of the C and NC contacts.

Use this method for GrandPrix Race Manager

and Derby Master software.

If you want the switch to be un-pressed before the race and pressed when the race

starts, then the push-on terminal needs to be on the NO contact as indicated below.

10. Plug in the Photo Finish Devise if you have one. This optional interface is available

from Smartline Derby Timers at: www.etekgadget.com

11. Lastly, using the AC adapter, plug the Champ Timer Finish Line timer into a source

of power.

IMPORTANT! Use only the 12V DC power supply supplied with your timer!

12. Please note: Check to make sure the start gate switch is fully depressed when

the start gate is in the up position. If not, you may need to slightly bend the

lever on the switch down towards the floor.

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BestTrack Champ Timer Operations Instructions Page 7