WatchPAT™300 System
20
Operation Manual
3 PREPARATION FOR SLEEP STUDY
3.1
Inserting the Battery
To insert the battery to the WP300 device:
1.
Remove the WP300 device out of the wrist strap by unsnapping the left side of the
WP300 strap (the one with higher edge).
2.
Open the battery compartment on the back of the device (see Figure 5) and remove
the battery from the device (if there is one).
3.
Insert a new disposable (or fully charged rechargeable) AAA battery in the
compartment. The direction of ‘+’ and ‘–‘is illustrated on the battery lid and inside
the compartment.
4.
Close the battery compartment.
5.
Reseat the WP300 device on the wrist strap by inserting gently first the right side of
the device into the strap and then the other side until a click is heard.
3.1.1
Battery information
The WP300 is powered by one off-the-shelf AAA battery. The battery can be alkaline or
rechargeable NiMH. Use a new or fully charged battery for each study.
Notes/ Conditions for Battery Use:
1.
The recording durations depend on the quality of the battery used. It is important to
always use good quality battery. Make sure your batteries are compatible with the
local standards.
2.
Rechargeable battery (NiMH, minimum 700 mAh) should be charged before each
recording. Use only UL 1642 or UL2054 and IEC 62133 compatible battery.
3.
Alkaline battery should be replaced after each recording.
4.
The battery will be checked during device test. The WP300 will notify you in case
the battery power is low.
5.
If battery was improperly inserted or depleted the WP300 will not turn on.
6.
When recording multiple nights the patient might be required to change the battery
after each night.
7.
To avoid risk of leakage, battery should not be stored in the WP300 for a prolonged
period of time.
Battery
One OTS 1.5V Alkaline AAA battery
OR
One OTS rechargeable AAA 1.2V NiMH battery
Capacity
> 700 mAh
Cell Type
Alkaline
OR
Nickel-metal hydride battery rechargeable
(NiMH)
