User Guide

17
Figure 4-6 Setting security level
Step 4 Press to move the cursor to
OK
, and then press to save the setting.
Result
When both the defined threshold of security level and sensitivity are reached, an alarm will be
triggered.
When both the defined threshold of security level and sensitivity are reached, an alarm will be
triggered. For the details of sensitivity, see #d274e7a1026.
4.3.3 Setting Frequency
Electromagnetic interference from ambient environment varies with different frequencies. The
frequency for lower interference makes the Device have higher sensitivity. When multiple devices
work simultaneously, set different frequencies for each device to reduce mutual interference.
The Device can search the frequency for lowest interference, and sets it to the working frequency.
You can also set the frequency manually. It ranges from 1 to 20.
Step 1 Log in to the Detector. For details, see "4.3.1 Login".
Step 2 Press or to move the cursor to
Frequency
, and then press to go to the
frequency setting interface.