Replacing the watch battery
The Sportline Cardio 660 Watch uses a single CR2032 3v lithium battery.
Battery replacement will be required from time to time, and 
should occur when:
1.The display fades in part or completely
2.The heart rate function will not activate
3.Backlight System does not operate
To replace the battery of your Sportline Cardio 660, we recom- mend you take it to a watch repair service center or certified jeweler. This will ensure that the water resistance will be retained after battery replacement.
Customer Support
If you have questions, comments or need assistance with your Sportline Monitor, you may contact Customer Support by calling
Resetting the monitor to factory defaults
To reset the monitor to factory defaults (clear all settings and data from the monitor),
Press & hold Mode, Stop/Start/Reset and
Lap/View until the monitor resets.
Replacing the chest strap transmitter battery
The Sportline Cardio 660 features a wireless heart rate trans- mitter, powered by a CR2032 3v Lithium battery. Under normal conditions you can expect to get approximately
1.Using a coin, turn the battery door counter clockwise until the door comes free of the watch.
2.Take care not to damage the
3.Place a new battery in the battery compartment with the positive (+) side toward the battery door.
4.Place the battery door over the opening and tighten it down by using a coin and turning in a clockwise direction.
5.If the
NOTE: Extreme care should be taken when replacing the battery to ensure the unit remains fully water resistant. Failure to properly replace the battery and correctly seal the unit may cause the unit to become damaged and may void the warranty.
22 | Cardio 660w Heart Rate Monitor 23 |
