Honeywell PCR191W Clock User Manual


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To set 24 hour time format, press UP arrow button once until “AM” or “PM” abbreviation will
disappear from the time display.
HOW DO I CHANGE A TEMPERATURE UNIT IN MY PCR191W?
The temperature measurement unit (Cº or Fº) can be changed only through entering clock setting
procedure:
1. Press and hold MODE for 3 seconds - the year digit will flash.
2. Press MODE once - the month digit will flash. Press UP (+) or DOWN (-) buttons to select the
month.
If correct month is displayed press MODE button once to confirm and move to the date mode
selection (date digit will flash)
3. Press UP (+) or DOWN (-) buttons to select the date.
If correct date is displayed press MODE button once to confirm and move to the hour format
selection (“12” digits will flash)
4. Press UP (+) or DOWN (-) buttons to select the hour
If correct hour is displayed press MODE button once to confirm and move to the minutes selection
(minutes digits will flash)
5. Press UP (+) or DOWN (-) buttons to select the minutes
If correct minutes are displayed press MODE button once to confirm and move to the temperature
unit selection (temperature fill flash)
6. Press UP (+) or DOWN (-) buttons to select the temperature unit: “Fº” for Fahrenheit or “Cº” for
Celsius.
If correct temperature unit is displayed press MODE button once to confirm the setting and exit
from clock programming mode.
WHERE IS US ATOMIC CLOCK LOCATED?
US Atomic clock is located at Fort Collins outside Boulder, Colorado, and is operated by the US
Government
WILL MY ATOMIC TIME UNIT WORK IN ALASKA AND HAWAII?
If used in Alaska and Hawaii, the Atomic Time clocks will not receive the RF signal from the US
Atomic Clock during the normal daylight hours. The 50kW radio signal transmitted at 60 kHz
frequency covers the Continental United States (CONUS) and reaches parts of Alaska and Hawaii
during the night-time hours. However, this clock can be set manually if the signal from Boulder,
Colorado is not able to reach the locations that geographically are not in the US Atomic Clock Time
Signal coverage area.
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