8
When measuring outdoors in the sun, make sure that the entire globe is exposed to direct sunlight.
Do not let obstacles or clothing block the direct sunlight.
Switching WBGT measurement environment
The formula for calculating the heat index (WBGT) differs between outdoor and indoor measurement
environments. Switch the instrument's outdoor / indoor settings according to the measurement
environment.
* The factory default setting is
“Outdoor”.
How to set the WBGT measurement environment
Press the SELECT key in the measurement mode to choose the WBGT measurement environment
setting.
Measurement environment
Environment Mark
Usage
Outdoor
mark is not displayed
When used outdoor (place in the sun)
Indoor
mark is displayed
When used indoor or outdoor at the place
not in the sun
Keylock function
To prevent the incorrect operation, the keylock function is equipped.
. How to activate the keylock function
①
Press the MENU and SELECT key simultaneously in the measurement mode for longer than 2
seconds. The keylock mark lights up and the key is locked.
②
To cancel the keylock
function, repeat
①
. The keylock mark turns off and the keylock
function is
canceled.
Various functions settings
How to set the
“Heat stress index” and alarm
①
Turn on the power. Press the MENU and SELECT key simultaneously for longer than 2 seconds to
enter the setting mode.
②
Press the MENU key to switch the setting mode as shown below.