User Manual
7
USB Charging
Charge your mobile device by plugging your device’s USB power cord  
(not included) into the USB charging port on the back of the clock. 
USB charging is only available during power adapter 
use; USB charging is not active when operating 
on battery power only.
Note: Follow the manufacturer’s instructions for your 
mobile device(s) to determine compatibility with the 
USB charging feature on this product. Some devices may not 
support USB charging or may require a higher power rating 
than this product provides. Observe the charging status on 
your device. Ensure your device is working properly before 
attempting to charge.
Humidity Level Icon
The Humidity Level Icon easily conveys a low, high or ideal indoor humidity 
level for your home and health:
Learn more at http://www.acurite.com/humidity-health
Moon Phase 
Track the phases of the moon, conveyed through simple lunar phase icons:
LOW Humidity Level 
Humidity is 
low relative to 
temperature. 
Makes for a 
DRY environment.
OK Humidity Level 
Humidity is 
OK relative to 
temperature. 
Makes for an 
IDEAL environment.
HIGH Humidity Level 
Humidity is 
high relative to 
temperature. 
Makes for a HUMID 
environment.
LOW
HIGH
AUTO DIM MODE: Automatically adjusts display brightness based on time of day. 
7:00 a.m. - 9:00 p.m. = 100% brightness
9:01 p.m. - 6:59 a.m.= 5% brightness
FULL
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