Oregon Scientific MSR939A - Manual (Page 12)

EN
11
BATTERIES
The clock uses:
• 4 x UM-3 / AA 1.5V batteries.
The motion sensor uses:
• 3 x UM-3 / AA 1.5V batteries.
The optional wake-up vibration alarm VR101A
(not included in the package) uses:
• 2 x UM-3 / AA 1.5V batteries.
It is recommended that you use alkaline
batteries with this product for longer performance.
To install the batteries, simply insert them making sure
they match the correct polarities (+ and -). For best
results, install batteries in the motion sensor before the
clock. Press RESET after each battery change.
To install the clock batteries:
NOTE
To install the motion sensor batteries:
Do not use rechargeable batteries for the clock
or remote motion sensor.
NOTE
RMR939PA English R5 9/21/04, 2:40 PM 11