Brandson Equipment 302601 Manual Del Usuario página 23

8.5 Warning mode
If the device detects an increased CO value and the alarm sounds, but nobody is
at home, the device stops the alarm as soon as the value is back within the nor-
mal range. The highest measured CO concentration is now shown on the display
every 45 seconds. The device beeps 4 times and the red LED blinks 4 times every
50 seconds. Press the "test/hush" key to delete the stored maximum value. The
device subsequently returns to the normal operating mode.
8.6 Low battery
The carbon monoxide detector recognises when the battery voltage is too low
and the batteries should be exchanged. The red LED blinks every 40 seconds and
an alert beep sounds. A battery symbol is displayed on the display. If the battery
level is low, the device still functions properly but the batteries of the carbon
monoxide detector must be replaced without delay.
8.7 Manual reset
A manual reset of the display is possible only if the current value is under 10
PPM. To reset the display value to 0 PPM, press and hold the "test / hush" key for
approx. 3 seconds until the PPM sign is no longer displayed on the screen. Then,
release the key.
The manual reset can be carried out under the following conditions:
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