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Projection Arm Rotation:
The projection arm will rotate 180 degrees to allow you to
project on the wall or on the ceiling.
Press the MODE/MIN button to select what is displayed below
the time.
Temperatures
The backlight will come on for 8 seconds whenever a button
is pressed. The backlight will not stay on constantly.
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 projection clock will search for 1 hour between midnight
and 6am until the WWVB time signal is received. After
reception, the projection clock will only search for the atomic
signal after midnight.
When the TX icon is displayed replace batteries in
the outdoor sensor.
When the RX icon is displayed replace batteries in the
projection clock .
WT-5220U-IT
Display Features
Seconds
WWVB Radio-controlled Time
Low Battery Icon
www.lacrossetechnology.com/support
Alarm Time
Backlight
Date
WWVB
Atomic Icon
Low
Battery
Icons
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