Installation Guide

WS-8418U-IT www.lacrossetechnology.com/support Page | 3
Snooze
 Press SNZ to silence an active alarm for 10 minutes.
 The alarm icon will flash.
 Press any button to stop the alarm for 24 hours.
Seconds Display Features
There are four display modes to view the weekday, seconds, and
temperatures. The seconds may replace the Indoor temperature,
Outdoor Temperature or Weekday. If seconds are counting up on the
clock, press the + button to move or remove this feature.
Default display: month&date/weekday/indoor temperature /outdoor
temperature.
Change the display:
1. Press the + button. The display should now show the
month&date/weekday/seconds/outdoor temperature.
2. Press the + button a second time and the display will show the
month&date/weekday/indoor temperature/seconds.
3. Press the + button a third time and the display will show the
month&date/seconds/indoor temperature/outdoor temperature.
Press the + button a fourth time and the display will return to the
default display.
WWVB Radio-controlled Time
 WWVB Icon will flash when searching.
 The WWVB icon will be steady when time signal
received in the past 24 hours.
For information about WWVB visit:
www.nist.gov/pml/div688/grp40/wwvb.cfm
ATOMIC SIGNAL SEARCH:
The atomic clock will search for 1 hour between midnight and 6am until
the WWVB time signal is received. After reception, the atomic clock will
only search for the atomic signal after midnight.
Moon Phase
The LCD Moon phase is divided by 6
sections, showing a total of 12 phases of
the moon.
SNZ
WWVB
Atomic Icon