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Operation Guide 2891
2
• Each press of the D button causes the watch to beep and cycles through the Recall Mode, World Time Mode, Stopwatch Mode, Timer
Mode, Alarm Mode, and Receive Mode as shown below.
• If you do not perform any button operation for two or three minutes while in the Recall Mode, Alarm Mode, Receive Mode, Compass Mode,
or Pressure/Temperature Mode, the watch will return to the Timekeeping Mode automatically.
• Use the A, B, and C buttons to enter each measurement mode, and automatically start taking the applicable readings. Press the D
button to return to the Timekeeping Mode.
• If your do not perform any button operation for about nine or ten hours while in the Altitude Mode, the watch automatically returns to the
Timekeeping Mode.
Timekeeping Mode
Compass Mode
Pressure/Temperature Mode
Altitude Mode
Day of the Week
Seconds
Hour, Minutes
Button
(Light)
Day of the Week Month, Day
Button
Button
Button
Button
Button
Use this mode to keep track of
your bearing.
This mode measures
barometric pressure and
temperature.
It also displays the pressure
tendency graph.
This mode measures your
altitude.
You can store altitude readings
in memory for later recall.
PM indicator
(no display
for AM)
Switching between Display Screens
Each press of the button switches the display between
the day of the week/day, and the month/day.
Recall Mode
Receive Mode
Alarm Mode
World Time Mode
Stopwatch Mode
Timer Mode
Use this mode to recall altitude records.
Use the Alarm Mode to set the alarm, and to turn the hour-
ly time signal on and off.
Use this mode to check the date and time of the last
successful signal reception, and to perform manual
receive. You can also turn auto receive on and off in this
mode.
World Time lets you display the current time in any one of
30 cities (29 time zones) around the world.
The Timer Mode lets you set a start time up to 60 minutes in
1-minute steps. An alarm sounds for five seconds when the
end of the countdown is reached.
The stopwatch performs 1/100 second elapsed time
measurement up to 9 hours, 59 minutes, 59.99 seconds
(10 hours).
Modes and Display Screens
Power Saving causes the watch to enter a sleep state automatically in order to save power whenever it is left in the dark. The Power
Saving feature of the watch is turned on at the factory.
• Note that the watch may also enter the sleep state if the watch is blocked from light by your sleeve.
How the sleep state works
• Display sleep state
The display sleep state is triggered whenever the watch is left in
the dark for about one hour between the hours of 10 p.m. and 6
a.m.
• The watch does not enter the
sleep state if it is in the Timer
Mode or Stopwatch Mode.
• The display sleep state causes
the display to go blank, except
for a flashing Power Saving
indicator. Alarm, hourly time
signal, and Timer Mode
progress alert and time up alert
operate normally in the display
sleep state.
• Function sleep state
The function sleep state is triggered whenever the watch is left
in the dark for six or seven days.
• The Power Saving indicator stops flashing and remains on the
display. Alarm, hourly time signal, and Timer Mode progress
alert and time up alert do not operate in the function sleep
state. In the function sleep state, 2-hour barometric pressure
readings and auto receive also are not performed.
• Digital timekeeping functions continue to operate normally in
the function sleep state.
❚
To recover from the sleep state
Place the watch in an area that is well-lit, press any button, or
angle the watch toward your face to illuminate the face of the
watch using the full auto light switch (“Positioning Your Arm
Correctly”).
• It can take up to two seconds before display figures re-appear
after you place the watch in a well-lit area.
❚
To turn Power Saving on and off
See the procedure under “To configure Home City settings” for
information about turning off Power Saving.
Leaving the watch in a drawer or anywhere else it is dark can
cause Power Saving to trigger in order to conserve battery
power.
Power Saving
Power Saving Indicator