The system is composed of the transmitter and the timer (signal receiver);
one transmitter can work with all lap timers that is at the same frequency.
Two of AA back up batteries is suggested for the transmitter.
The Lap Timer (Receiver):
<UP>: The LCD shows one lap backward;
<DOWN>: The LCD shows one lap forward;
<SUM>: Summary; Slowest lap time, fastest lap time, Total time and average lap time;
<CLR>:A two-second press will clear the memory and turn on the signal receiver,so the timer will start to count when it passes the signal wall; A short press will stop the timer from counting,and LCD turns to last record;
Product size: 6.7CM x 4.2CM x 2.6CM Batteries: 2 x AA (not included) lasts 5 hours in worst work condition.
Red LED: On or OFF;
Wave Length: 940nm
Before you use;
1. Turn on the power. The switch should be at the On position; The LCD will show the total lap time of last session; If the record has been cleared, the signal receiver will start to work;
2. Press<CLR> for more than 2 seconds, the memory will be cleared, and signal receiver will be turned on;
3. Before you start the bike, please make sure that the signal receiver is on ;( Make sure that the sign is active)
4. When the LCD shows that the signal receiver is on, the <UP>\<Down>\<SUM> will be inactive;
5. When the bike passes the infrared signal for the first time, the lap will turn 1, and the timer starts to count;
6. The last lap record will be shown for 10 seconds on the LCD; and then the real time record will be displayed;
7. To stop time counting, press the <CLR> button; The signal receiver will be turned off, and the total time will be displayed on the LCD;
After you use:
9. When the signal receiver is off, <CLR> is inactive, unless press it by 2 seconds to clear the memory and start the next counting;
10. When the device is idle for 20 minutes(no signal, no button touch) the system will go to sleep status to save power;