Manual
6
4.2 Display description
1. Temp./Humidity reading
2. Battery status
3. Temperature unit
4. Humidity unit
5. Air velocity unit
6. Sound level, air velocity or light reading
7. Sound level unit
8. Light unit
9. MAX/MIN indication
10. Data hold indication
11. Auto power off indication
5 Operation
5.1 Getting started
1. Open the battery compartment and install a 9 V battery.
2. Close the battery compartment and tighten the screw.
3. Turn on the device.
4. Select the desired measuring function.
Note:
If the battery status indication
appears on the display, you should replace the battery.
You can hold the device in your hand or you can use a tripod when performing measurements.
When performing sound level measurements, the best measuring distance from microphone to
the sound source is about 1
– 1.5 m.
If you want to use an external power supply, use the connection on the side of the device (see
#15 in chapter 4.1).
5.2 Switch between temperature and humidity measurements
To switch between temperature and humidity me
asuring, press the “TEMP/%RH” button (see chapter
4.1).
5.3 Display backlight
To turn on the display backlight, press the backlight button on the device (see chapter 4.1). Press the
button again, to turn the backlight back off. The display backlight automatically turns off after approx. 30
seconds of inactivity.
5.4 Data hold
Press the “HOLD” button once to activate the display hold function. The hold indication should now
appear and the current reading is frozen on the display. To return to the normal measuring mode, just
press the “HOLD” button again.
5.5 Select the measuring unit
5.5.1 Wind speed
To change the measuring unit of the wind speed, press the “UNITS” button when wind speed measuring
is active. You can choose between m/s, km/h, ft/min, knots and mph.
