- Available in
four (HH:MM) or six
(HH:MM:SS) format.
- Upon power up,
the clocks
automatically
synchronize to the
Airtime
transceiver(s)
immediately upon
receiving a radio
signal.
- The clocks'
radio receivers then
listen for
synchronization
signals continuously
throughout the 24
hours.
- Following 2AM
and thereupon
receiving a time
transmission from
anATX-series
transceiver, the
clocks advance one
hour for spring
daylight saving
change on second
Sunday of March, and
regress one hour for
Fall DST on first
Sunday of October.
- Two buttons on
the front panel
provide user setup.
- AC power is
required to operate
the display (no
batteries). The
ATDDC4 requires
115vAC. The
ATDDC4-24 requires
24vAC.
- Two keyholes and
two separate holes
are provided on back
panel for wall
mounting. All
hardware is provided
for most
installations.
- Options for
single mount, double
ceiling mount and
double wall.
- Clocks comply
with part 15 of the
FCC rules and are UL
Listed.
- Made in USA
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