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MAINTANANCE
CHANGING BATTERIES
• If the low battery indicator lights up, replace batteries in the corresponding unit.
• Do not mix old and batteries.
CLEANING
The main unit and remote sensors housings can be cleaned with a damp cloth. Small parts can
be cleaned with a cotton tip or pipe-cleaner. Never use abrasive or corrosive cleaning agents or
solvents. Do not immerse electronic components in water.
TROUBLESHOOTING
Check here before contacting customer service.
PRECAUTIONS
This product is engineered to give you years of satisfactory service if handled carefully. Here
are a few precautions:
• Do not immerse the units in water.
• Do not clean the units with abrasive or corrosive materials. They may scratch the plastic parts
and corrode the electronic circuits.
• Do not subject the product to excessive force, shock, dust, temperature, or humidity, which
may result in malfunctions, shorter lifespan, damaged batteries, and damaged parts.
• Do not tamper with the units internal components. Doing so will invalidate the warranty and
may cause damage. These units contain no user-serviceable parts.
• Use only fresh batteries. Do not mix new and old batteries.
• Read the user's manual thoroughly before operating the units.
Issue
Main unit
US Atomic Time
signal is not
received
Cannot locate
remote sensor
Data does not
match data on the
main unit
Place unit by the window and keep it there
overnight
Check batteries
Check location
Press and hold DOWN ( ? ) button on the
main unit to search for the signal form the
remote sensor
Initiate manual sensor search (Press and hold
DOWN ( ? ) button on the main unit)
Remote sensor
Symptom Solution
12