Attention
◇ Light Receiver:
* When the meter is not in use, please always keep the
cover of the light receiver in its place to avoid the
damage from wearing out.
* Do not touch the Light Sensor (white part) with the
bare hands.
* To clean the Light Sensor only with the dry flannel
fabric or the equivalent material. Any kind of detergent
that may hurt the Light Sensor is absolutely forbidden.
◇ Low battery condition:
* When the battery voltage is under proper operation
requirement, the
symbol will show on the LCD
and the battery need to be replaced with a new one
for an accurate data measurement.
◇ Overload Condition:
* When"OL" shows on the LCD, it means overload
and the user should select a prper measuring range
for testing.
* This meter is not suitable for measuring the light
(such as sunshine) when "OL" shows on the LCD
under the maximun range 20000 Lux (YJ2A50) &
200000 Lux (YJ2A51) is selected.
* Please avoid to use the meter for measurement in
the environment of high temp. or moisture.
