General Tools LCR318 User Manual v.1

MINI HYGRO-

THERMOMETER

USER’S MANUAL

LCR318

Please read this manual carefully and thoroughly

before using this product.

INTRODUCTION

Thank you for purchasing General Tools & Instruments’
LCR318 Mini Hygro-Thermometer. Please read this
user’s manual carefully and thoroughly before using
the product.

The LCR318 is an ideal instrument for monitoring the
humidity and temperature environment of pianos,
humidors, wine cellars, musical instrument cases and
computer rooms.

• Foldaway stand for desk mounting; also can be
wall-mounted

• Includes battery

• CE approved

WHAT’S IN THE BOX

The LCR318 comes in a box along with:

• A preinstalled “LR44” battery with an activation tab

• This user’s manual

KEY FEATURES

• Simultaneously displays indoor temperature (in °F)
and relative humidity (RH) as a percentage

• Min and Max temperature and humidity memory

• Large LCD

• Low battery warning

SETUP INSTRUCTIONS

ACTIVATE THE UNIT

If you are reading this, you have already removed the
unit from the bubble-wrap bag. Peel away the film
protecting the display.

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To activate the unit:

1. Open the battery compartment (marked OPEN) on the

right side of the back of the unit by sliding its cover
down, in the direction of the arrow stenciled on it.

2. Remove the black activation tab under the LR44

button battery. Discard the tab.

3. Install the battery in the well so its rounded side faces

down and its flat side (marked “LR44”) faces up. The
battery does not snap into place, so do not apply
downward pressure.

4. Replace the battery compartment cover by sliding it

up, in the direction opposite the arrow on it. The
pressure of the cover is what holds the battery in
place.

MOUNT THE UNIT

To leave the unit free to move on a horizontal
surface, lift the foldaway stand on the back of the unit

by placing your fingertip in the recess on the bottom
edge of the unit.

To attach the unit to a wall or vertical surface, obtain
a pair of Velcro strips and—without separating them—
trim them to a size of 1-3/4 in. by 3/8 in., or slightly
smaller than the recessed rectangular mounting area on
the top rear of the unit. Remove the paper backing from
one strip and press its exposed sticky side into the
recess. Remove the paper backing from the other strip
and press the unit against the wall or surface at the
desired position.

To detach the unit in order to change the battery, grab
it and pull until the two Velcro strips separate.

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