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- 4 -
Fig 1
4.4 Turn off
To deactivate the detector, press “ ”key, then it displays the following information:
At this time, the buzzer gives beep sound. After 3 seconds, when it displays the
following figure on the screen, loosen the “ ”key. The detector is turned off.
Attentions
：
When the detector is not detecting status, press
continuously till it
returns to the detection mode.
4.5 Menu Operating Instructions
The user menu contains the following options:
Alarm record, low alarm settings, high alarm settings, zero calibration, calibration, time
set.
In the detection state, press
and
keys at the same time, the screen displays the
following screen, directly into user menu as shown in figure 4:
Fig. 4
CH4
13:01
0
% LEL
-=MENU=-
→ Record
Low Alarm Set
High Alarm Set
Gas Zero
Gas Calib
Set time
