FAQ

La Crosse Technology, Ltd Page 10
With all power removed, the digital clock should be blank.
If numbers still appear, please check for scratch guard.
Power:
Check that the batteries are installed correctly.
This is generally a power related issue.
Batteries may be overpowered or underpowered.
Remove batteries from digital clock.
Press any button 20 times. Leave the batteries out of the display for 2 hours.
Insert batteries into the digital clock.