3
Figure 2
After 5 seconds, the display backlight will automatically go out, the left indicator will be on
(long on), and the side indicator will flash, this is the standby state.
(1) Shortcut key operationWhen the interface shown in Figure 2 appears after power-on,
press the measurement key and the interface shown in Figure 3 appears:
Figure 3
Automatically delay preheating for 90 seconds (countdown, the sensor itself requires. It
must be preheated to enter a stable working state.)
When the timer is 0 seconds, the built-in air pump is working, the left indicator light, the
interface shown in Figure 4 appears: