User Guide

TO INSTALL AND REPLACE BATTERIES IN THE TEMPERATURE SENSOR

The sensor uses 2 x AA, 1.5V batteries. (Please ensure to used good Alkaline batteries dated 2025 or

newer) To install and replace the batteries, please follow the

Steps below:

1. Remove the cover.

2. Insert the batteries, observing the correct polarity (see marking inside battery compartment).

3. Replace the battery cover on the unit.

Good quality alkaline batteries are recommended for use in both units. Avoid using rechargeable

batteries.

SETTING UP:

NOTE: Do not set the clock until the outdoor temperature is displayed.

1. Place batteries in the outdoor sensor first, then into the atomic clock. DO NOT PRESS

ANY BUTTONS FOR 10 MINUTES.

2. Once the batteries are in place, all segments of the LCD will light up briefly. Following the

Indoor temperature, date, weekday, and the time as 12:00 will be displayed. If they are not

Shown in LCD after 60 seconds, remove the batteries and wait for at least 60 seconds

Before reinserting them. Once the indoor data is displayed user may proceed to the next

Step.

3. After the batteries are inserted, the atomic clock will start receiving data signal from the

sensor. The outdoor temperature should then be displayed on the atomic clock. If this does

Not happen after 2 minutes, the batteries will need to be removed from both units and reset

From step 1 and the signal reception icon is no longer shown.

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TO INSTALL AND REPLACE BATTERIES IN THE TEMPERATURE SENSOR The sensor uses 2 x AA, 1.5V batteries. (Please ensure to used good Alkaline batteries dated 2025 or newer) To install and replace the batteries, please follow the Steps below: 1. Remove the cover. 2. Insert the batteries, observing the correct polarity (see marking inside battery compartment). 3. Replace the battery cover on the unit. Good quality alkaline batteries are recommended for use in both units. Avoid using rechargeable batteries.