User's Manual

Figure 22. Large-crowd temperature measurement mode

Note：

The thermal imaging module could not distinguish the properties of the imaging

objects at current version. If the lamp box, water cup or metal parts exposed to direct

sunlight appear in the screen, the temperature value of these parts may be displayed and the

readings will be affected. Therefore, single-user mode is recommended for the complicated

environment.

4.4.3. QR code recognition mode

Scan the QR code carrying personal information by helmet to

automatically record personal info into the database, allowing

identification of the person and paperless data logging.

Note：

 Open the user's QR code and scan it using the visible light camera. The optimal

working distance is 30 ~ 50 cm;

 A QR code database needs to be established before the first use (See section 4.10.2

for details)