10.5.1 Switching ON/OFF of alarm generator and indicator LEDs
As per requirement, the alarm can also be completely turned off. The device is supplied with
alarm in switched on condition.
Operation of keys
View of display
By keeping the Enter - key in pressed condition
till "Off" appears on the upper display line. The
alarm is now completely switched off.
By again holding the Enter - key in pressed
condition, the alarm is switched on again. As a
result, the message "ON" appears on the upper
display line..
10.5.2 Behaviour during alarm
In case an early warning alarm or main alarm value is reached, the user is informed through
different warning signals :
Feedback of the Device
View of display
On reaching the early warning alarm value :
The message "PRE" appears on the display at a gap of
approx. 3 seconds. The acoustic signal and the LEDs are not
activated during early warning alarm.
On reaching the main alarm value :
The message "ALR" appears on the display at a gap of
approx. 3 seconds. If the alarm generator is switched on,
additionally an acoustic signal is given out and the warning
LEDs also blink.
If an external alarm light is connected to the device, it is also
activated.
