Control Company 5125 WORKSTATION–TRACEABLE RADIO-CONTROLLED CLOCK - Manual

SPECIFICATIONS
Integrated radio receiver for reception of time signal
Signal Reception: Every 4 hours
Temperature Range: 32.0 to 158.0° F
0.0 to 50.0°C
QUICK REFERENCE
SET Toggles between displaying ambient temperature in °F and °C. Used to
manually set the clock.
ALARM Displays the time-of-day alarm time. Used to set the time-of-day alarm.
ZONE Used to select the proper time zone. Used to turn Daylight Saving Time
on/off.
+ Used for manual setting of clock and time-of-day alarm. Activates manual
signal reception.
– Used for manual setting of clock and time-of-day alarm.
Activates/Deactivates the time-of-day alarm and snooze alarm.
SNOOZE/
LIGHT Activates the display backlight. Activates the snooze function when used
to silence the time-of-day snooze alarm.
OPERATION
The unit contains a pre-tuned internal radio receiver that receives a 60 kHz frequency
signal generated by the U.S. Atomic Clock. The U.S. Atomic Clock is located in
Boulder Colorado and is operated by NIST (National Institute of Standards and
Technology).
Upon installation of the battery, the time zone will flash on the display. Press the
ZONE button to select the desired time zone:
PST = Pacific Standard Time
MST = Mountain Standard Time
CST = Central Standard Time
EST = Eastern Standard Time
Once a time zone has been selected, the unit automatically activates its receiver.
Upon successful reception of the signal from the Atomic Clock, it then attempts to
receive the signal every four (4) hours and make any necessary changes to the
display.
The unit may not receive a signal immediately. It may take as long as 72 hours to
receive a complete signal from the Atomic Clock. While the unit is attempting to
receive a complete signal for the first time, the clock may be set manually (see the
“Manual Clock Setting” section). Best reception often occurs between midnight and 4
a.m.
The successful reception of the Atomic Clock signal is dependent upon the positioning
and location of the unit. Insufficient signal strength or external electrical interference
may prevent the unit from receiving a complete signal. The main causes for poor
reception are heavily reinforced concrete and steel structures and/or placement of the
unit close to video or PC monitors. There are certain areas of the Eastern United
States where urban interference or signals from the United Kingdom’s Atomic Clock
may distort or interfere with the signal from the U.S. Atomic Clock.
SELECTING TEMPERATURE UNIT OF MEASURE
While the time-of-day is on the display, each press of the SET button toggles the
temperature display from °F and °C.
SIGNAL STRENGTH INDICATOR
Indicates completed signal reception and synchronization with the Atomic
Clock.
Indicates that the unit is attempting to receive the signal from the Atomic Clock.
If this condition continues for more than 72 hours, the unit should be repositioned for
better reception.
Indicates no signal has been received. If this condition continues for more than 72
hours, the unit should be repositioned for better reception.
SELECTING THE TIME ZONE
Press the ZONE button to toggle through the four (4) user-selectable time zones:
PST = Pacific Standard Time (when selected, “P” will appear to the left of the Signal
Strength Indicator.)
MST = Mountain Standard Time (when selected, “M” will appear to the left of the
Signal Strength Indicator.)
CST = Central Standard Time (when selected, “C” will appear to the left of the Signal
Strength Indicator.)
EST = Eastern Standard Time (when selected, “E” will appear to the left of the Signal
Strength Indicator.)
Daylight Saving Time
Each time the ZONE button is pressed and held for 3 seconds, Daylight Saving Time
will be turned on/off. Upon successful reception of a time signal from the atomic clock,
if Daylight Saving Time is on, “DST” will appear to the left of the Signal Strength
Indicator.
MANUAL CLOCK SETTING
1. Press and hold the SET button for five (5) seconds. The year digits will flash.
While setting, if no button is pressed, after 10 seconds, the unit will return to the time-
of-day display.
2. Set the desired year by pressing the
+ or - button.
Press and hold the button to change the display rapidly.
3. With the desired year on the display, press the SET button. The month digits will
flash.
4. Set the desired month by pressing the + or - button.
5. With the desired month on the display, press the SET button. The day number will
flash.
6. Set the desired day number by pressing the + or - button.
7. With the desired day number on the display, press the SET button. The 12/24
hour time format option will flash.
8. Set the desired time format by pressing the + or - button.
9. With the desired time format on the display, press the SET button. The hours will
flash.
10. Set the desired hours by pressing the + or - button.
11. With the desired hours on the display, press the SET button. The minutes will
flash.
12. Set the desired minutes by pressing the + or - button.
13. With the desired minutes on the display, press the SET button. The unit will exit
the clock setting mode and the changes will take effect.
NOTE: Any manual changes made will be automatically overridden with the next
completed signal reception from the Atomic Clock.
SETTING TIME-OF-DAY ALARM
1. Press and hold the ALARM button for four (4) seconds. The alarm time will be
displayed with the hours flashing. AL on the display indicates that the alarm time
is being displayed.
While setting, if no button is pressed, after 10 seconds, the unit will return to the time-
of-day display.
2. Set the desired hour by pressing the
+ or - button.
Press and hold the button to change the display rapidly.
3. With the desired hour on the display, press the ALARM button. The minutes digits
will flash.
4. Set the desired minutes by pressing the + or - button.
5. With the desired minutes on the display, press the ALARM button. The unit will
return to the time-of-day display.
To view the time-of-day alarm that has been set, press and release the ALARM button.
The time-of-day alarm time will display for 5 seconds. AL appearing on the display
indicates that the alarm time is being displayed.
TIME-OF-DAY ALARM MODES
The unit has 3 time-of-day alarm modes:
Alarm. The time-of-day alarm will sound and pressing any button will
silence the alarm for the next 24 hour period. In this mode, the snooze
feature is not available.
Snooze Alarm. The time-of-day alarm will sound and may be “snoozed”.
No time-of-day alarm will sound (no indicators appear on the display)
To enable or disable the time-of-day alarm, press the
- button. Each press of the -
button toggles between the 3 alarm modes.
WORKSTATION–TRACEABLE ® RADIO-CONTROLLED CLOCK INSTRUCTIONS