Maintenance – General Technologies LT800 (0 to 800 F) Infrared Thermometer with Laser Sight User Manual

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4.4 Other Functions

4.4.1 Display Hold

• The instrument will automatically hold the last temperature

reading after the “ON/HOLD” button has been released for

approx. 6 sec..

4.4.2 Display Backlight

•

Make sure the the instrument is turn ON, if not press the “ON/

OFF” button.

• Pressing the “BACK LIGHT” button, will alternatibly turn ON

and OFF the display backlight.

• When the backlight is not necessary turn it off, in order to

prolong the battery life.

4.4.3 Laser Pointer

CAUTION: Laser Radiation is emitted - Avoid direct eye

contact

• To turn the laser sight ON or OFF, press the “LASER” button, while

pressing on the “ON/HOLD”. The laser sight indicator will appear

on the display when the laser sight turn ON.

5. MAINTENANCE

5.1 Battery Replacement

•

To replace the battery, remove the battery cover in the front of the
handle by sliding it down, and remove the battery.

•

Replace with a new 9 V alkaline battery type NEDA 1604 or
IEC6F22 observing the proper polarity when connection to the
battery terminals.

•

Reinstall the battery cover.

5.2 Cleaning

5.2.1 Lens cleaning

Debris or dirt on the lens may cause obstruction and reduce the

accuracy of the thermometer. If this occurs, either wipe the lens

with a Q-tip (moistened with water only) or blow off the loose

particles with clean compressed air. Do not use solvent on the
lenses, as it may become damage.

5.2.2 Exterior cleaning

Periodically wipe the case with a soft damp cloth and mild household
cleanser. Do not use abrasives or solvents. Ensure that no water gets
inside the instrument to prevent possible shorts and damage.

6. WARRANTY

One year limited warranty, excluding batteries and fuses. For de-
tails see Standard Warranty Information in our webpage or request
a printed copy.

General Technologies Corp.

#121 - 7350 72nd Street Tel.: (604) 952-6699

Delta, BC

Fax: (604) 952-6690

Canada V4G 1H9