User's Manual
Knowing the Exercise or Sleep function of Cracker device
How to start and stop/save your Sleep function
Press S1 button from LED OFF to enter SLEEP mode. The blue light appears.
Press and hold S1 button to start your sleep and wait until the blue light will flash.
Press and hold S1 button to stop/save your sleep data while the blue light is flashing.
How to start and stop/save your Exercise
Press S1 button from LED OFF to enter EXERCISE mode. The orange light appears.
Press and hold S1 button to start your exercise and wait until the orange light will flash.
Press and hold S1 button to stop/save your exercise while the orange light is flashing.
You may follow the function flow as shown.
Note that there is no restart function on both Exercise and Sleep function.
If no button operation in Sleep mode, Exercise mode or Sync mode, after about 3
seconds it will automatically turn to LED OFF state.
When Sleep or Exercise data is saved, the light will stay only for about 8 seconds.
When Sleep or Exercise is ON, the light will flash for about 8 seconds.
Important note:
The arrow or blue light should be aligned in 12H location as shown. This is for better
performance of the device.
Battery low
When the battery level is low, the red light will flash for about 5 seconds.
Battery Replacement
The battery (CR2032) on this device is replaceable and it is highly recommended by an
authorized service personnel only.
Data Memory
Exercise / Activity: 10 files
Sleep data profile: 7 files
Size and Weight
Device size (Diameter / Thickness): approx. 24.5 x 8.0 mm.
Device weight: approx. 11 grams
Water Resistance
This device is an IPX7 standard.