Model: C89201 www.lacrossetechnology.com/support
3
Setup Instructions Step-by-Step
STEP 1:
Insert the AC power adapter plug into a wall outlet
Insert the 5 volt A/C power adapter into the back of the atomic alarm clock for a continuous backlight.
The atomic alarm clock will light up and display indoor temperature and time (12:00).
STEP 2:
Remove the battery cover from atomic alarm clock. Slide tab up and pull out to remove the battery
cover.
Insert 2 NEW AAA Alkaline batteries (included) into the back of the atomic alarm clock. Observe the
correct polarity (see markings inside the battery compartment).
Note:
When operating on battery power only, the backlight will come on for 10 seconds when the LIGHT
button is pressed.
Restart
If there is no indoor temperature data after 60 seconds, unplug the AC adapter and remove batteries from
the alarm clock, press any button 20 times. After 15 minutes, return to
Step 1
above.
Power the Atomic Alarm Clock
The atomic alarm clock can be powered by the 5-volt A/C adapter or batteries.
A/C Power Adapter
Insert enclosed 5-volt a/c power adapter into a wall outlet, then into the atomic alarm clock.
Batteries
1. Slide tab up and pull out to remove battery cover.
2. Install two NEW AAA Alkaline batteries (included) according to the polarity markings.
Do Not Mix Old and New Batteries
Do Not Mix Alkaline, Lithium, Standard or Rechargeable Batteries
Colorado and transmits the exact time signal continuously throughout the
Function Buttons (on top)
