User Guide

Page 9 of 12
• When cleaning the display and casings, use a
soft damp cloth only. Do not use solvents or
scouring agents as they may mark the LCD
and casings.
• Do not submerge the unit in water.
Furthermore, fix all parts in place where the
units are adequately protected against
moisture and rain.
• Special care shall be taken when handling a
damaged LCD display. The liquid crystals can
be harmful to user's health.
• Do not make any repair attempts to the unit.
Return them to their original point of purchase
for repair by a qualified engineer. Opening and
tampering with the unit may invalidate their
guarantee.
• Never touch the exposed electronic circuit of
the device as there is a danger of electric
shock should it become exposed.
• Do not expose the units to extreme and
sudden temperature changes, this may lead to
reduce their accuracy.
• Batteries are the single largest cause of
customer support cases. Please use plain
Alkaline batteries testing no less than 1.48 on
a voltmeter or with and expiration date 7 years
in the future.
Battery Replacement
• If you notice that the LCD appears faint or that
WWVB time reception is not working properly,
try a fresh set of batteries before contacting
customer support.
The Low Battery Icons:
• When the batteries need to be replaced in the
Wireless Outdoor Sensor, the LCD will display
the “TX” icon.
• When the batteries need to be replaced in the
Atomic Clock, the LCD will display the “RX”
icon.
We recommend that you replace the
batteries in all units regularly to ensure
optimum accuracy of these units. Please
see the battery life in the specifications
below.
Help us to keep our environment clean. Return
used batteries to an authorized depot.