Operation - Wohler RF 220 Hygrotemp Manual

2.3 Technical Data:
Dimensions: 175 x 70 x 33 mm
Weight: 270 g
Power: 4 batteries, type AAA
3.

Operation

3.1 Display
Figure 3.1: Display
3.2 Keypad
3.2.1 ON/OFF key
Press the ON/OFF key to turn the Wöhler RF 220 on and off.
3.2.2 BKLT-key
Press this key to turn on the back light of the display for 10 seconds.
3.2.3 F/C CAL+ key
In normal mode, press this key to switch between the units C° and F.
In calibration mode, press this key more than one second to stop the calibration
manually.
12 Hotline: +49 2953 73-211
Top: Relative Humidity
Bottom: Temperature
Fax: +49 2953 73-250
Wöhler RF 220