CAUTION
Do not touch or otherwise obstruct the sensor.
Do not allow liquids to come in contact with the sensor.
5.4
Changing Measurement Units
Short press the
LUX / FC
button to toggle the displayed unit of measure (Lux
or foot candles).
5.5
Data Hold Function
Short press the Data Hold (
H
) button to freeze/unfreeze the displayed read-
ings. While Data Hold is active,
HOLD
will appear on the LCD.
5.6
LCD Backlight
Long press the backlight button
to switch the display backlight on or off.
Excessive use of the backlight will shorten battery life.
5.7
MAX/MIN Readings
When the device is switched on, it begins tracking the highest (MAX) and low-
est (MIN) readings.
Short press the
MAX/MIN
button to step through the MAX/MIN memories.
MAX
will show when the Maximum reading is displayed and
MIN
will show
when the Minimum reading is displayed. The memories are cleared each time
the meter power is cycled.
Press the
MAX/MIN
button again to exit this mode (
MAX
and
MIN
symbols
switch off when you exit).
5.8
Bluetooth Operation
Long press the Bluetooth button
with the meter on, to switch Bluetooth on
or off. This communication symbol
is shown when Bluetooth is on.
The Bluetooth utility allows you to remotely monitor readings on an iOS or An-
droid smart device using the Extech ExView mobile app designed for use with
this meter.
Download the ExView mobile app from the App Store for iOS devices or from
Google Play for Android devices. Instructions for mobile app use are available
from the ExView product page on the Extech website (link below).
#NAS100076; r. AA/78957/78963; en-US
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Содержание LT250W
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