Version 1.0
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Page 4
(OFF for Arizona)
shipping)
2
Resynchronization with Atomic Clock
6
Manual Clock Set
3
Reset Button
7
Time Zone (P=Pacific, M=Mountain,
C=Central, E=Eastern)
4
AA Battery Compartment
Figure 1
7
Battery Installation and Initial Operation
1.
Reference Figure 1. Enter the Time Zone and Daylight Savings Time (DST) as outlined in
Table 1.
#
Cities
Time
Zone
Hours from
GMT
Daylight Savings Time (DST)
1
Pacific Time
P
-8
ON
2
Mountain Time
M
-7
ON
3
Arizona Time
M
-7
OFF
4
Central Time
C
-6
ON
5
Eastern Time
E
-5
ON
Table 1
2.
On the back of the housing, insert one AA battery, observing the correct polarity. The
correct polarity is indicated in the battery compartment.
Replace the cover by rotating clockwise, as shown in Figure 1.
3.
The second hand will run and stop at the 12:00 o’clock position, followed by the minute hand
and hour hand aligning to the 12:00 o’clock position. This confirms the clock hands are
operating properly.
4.
The clock attempts to synchronize with the atomic clock for 12 minutes. If it synchronizes,
the clock sets properly. If it does not receive the signal from the atomic clock (very likely
during the daytime), the clock will begin running from the 12:00 position until the time
synchronization is successful.
The clock will attempt synchronization every two hours (1:00, 3:00, 5:00, 7:00, 9:00, 11:00,
13:00, 15:00, 17:00, 19:00 and 21:00). During synchronization, the second hand will operate
properly.
8
Mechanical Deviation Adjustment
During normal operation, the second hand will resynchronize at 1:30, 9:30 and 17:30 for two minutes
to account for mechanical deviation. The resynchronization occurs for two minutes, and makes the
proper second hand adjustment.
During normal operation, the minute hand will resynchronize from 1:52 to 1:58. If the minute hand
deviates within two minutes, it will automatically adjust. If the minute deviates more than two minutes,
the clock hands will align to 12:00 and attempt resynchronization.
9
Setting the Time Manually
If reception is not available, the clock date and time can be set manually.
To set manually, press and hold the
M. SET
button (Figure 1) for three seconds, and the clock second
hand will stop and enter the manual mode.
