9
8. Replacing batteries
The radio heat detector makes a recurring beep sound in 32 second intervals for 7 days.
Additionally the LED flashes. With this it points out that the battery must be changed. The radio
heat detector is still fully functional at this time. However, it is recommended to replace the battery,
as soon as the device is warning about the empty state of the battery!
Note:
The recurring
warning sound can be muted for about 10 hours by pressing the TEST button. After 10 hours, a
short warning tone sounds again every 32 seconds. Please always replace the battery with an
identical battery type, which is having the same technical specifications as the used battery. Never
use rechargeable batteries or power supplies for operation of the radio heat detector. These can
cause false alarms or lead to a complete failure of this product.
1. Turn the alarm case to the left, (against clockwise), and solve the housing from the mounting
plate.
2. Remove the old batteries.
3. Insert the new batteries into the battery compartment. Pay attention to the correct polarity!
4. Reattach the mounting base by turning it clockwise to the housing.
5. After replace the batteries please carry out a function-test by pressing the TEST-Button (
see
chapter 3,2
).
6. The radio heat detector is now ready for use again!
Attention:
For safety reasons, please replace the batteries at least once a year
!
9. Notes to the use of batteries
Non-rechargeable batteries are not to be re-charged!
New batteries should not be used together with used batteries. Please always use batteries
with the same type.
Please always pay attention to the correct polarity when inserting the battery!