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1675-1

C

D

B

A

P

Module No. 1675

A

A

°

C

m

RECALL

AUTO

ALTI

AUTO

P

°

C

m

ALTI

AUTO

2 seconds later

Press 

C

 to change from mode to mode.

Hold down 

C

 for one or two seconds in any mode to switch back to the

Timekeeping Mode.

Timekeeping Mode

Stopwatch Mode

Recall Mode

Alarm Mode

( Timekeeping Display )

Press 

D

.

Altimeter Mode

GENERAL GUIDE

C

D

B

A

P

P

°

C

hPa mb 

Sensor

( Pressure/Temperature

Display )

P

AUTO

P

AUTO

AUTO

BACKLIGHT

This watch features an electroluminescent (EL) backlight that helps you
easily read the face, even in total darkness. Its Auto Backlight function
automatically lights the watch face whenever you turn your wrist towards your
face.

Note

The backlight of the watch employs an electroluminescent (EL) light, which
loses illuminating power after very long use.

Frequent use of the backlight shortens the battery life.

The illumination provided by the backlight may be hard to see when viewed
under direct sunlight.

The watch will emit an audible sound whenever the display is illuminated.
This is caused by a transistor that vibrates when the EL panel lights up. It
does not indicate malfunction of the watch.

The backlight automatically turns off whenever an alarm sounds or when
you press the 

C

 or 

D

 button.

To manually turn on the backlight

In the Timekeeping Mode or the Altimeter
Mode, press 

B

 to illuminate the display for

about two seconds.

The backlight remains lit for about two

seconds from the point you press 

B

, even

if it is already lit when you press 

B

. If you

keep 

B

 depressed for one or two minutes,

the backlight will automatically turn off.

To switch the auto backlight function on and off

In the Timekeeping Mode, hold down 

D

 for one or two seconds to turn the

auto backlight function on and off.

The auto backlight indicator is shown on the display in all modes while the
auto backlight function is on.

In order to protect against running down the battery, the auto backlight
function is automatically turned off approximately two or three hours after
you turn it on. Repeat the above procedure to turn the auto backlight
function back on if you want.

Pressing 

B

 in the Timekeeping Mode or Altimeter Mode illuminates the

display for about two seconds, regardless of the auto backlight function on/
off setting.

About the Auto Backlight function

While the Auto Backlight function is turned on, the backlight automatically
lights for about two seconds in any mode whenever you position your wrist as
described below.

Auto backlight
indicator

OFF

ON

Important!
Avoid wearing the watch on the inside of your wrist. Doing so causes the Auto
Backlight to operate when it is not needed, which shortens battery life.

Moving the watch to a position that is parallel to the ground and then tilting
it towards you more than 40 degrees causes the backlight to illuminate.

The backlight may not illuminate if the face of the watch is more than 15
degrees off parallel as shown below. Make sure that the back of your hand
is parallel to the ground.

Static electricity or magnetic force can interfere with proper operation of the
auto backlight function. If the auto backlight does not illuminate, try moving
the watch back to the starting position (parallel with the ground) and then tilt
it back toward you again. If this does not work, drop your arm all the way
down so it hangs at your side, and then bring it back up again.

Under certain conditions the backlight may not light until about one second
or less after turn the face of the watch towards you. This does not necessarily
indicate malfunction of the backlight.

Warning!

Never try to read your watch when mountain climbing or hiking in
areas that are dark or in areas with poor footing. Doing so is dangerous
and can result in serious personal injury.

Never try to read your watch when running where there is the danger
of accidents, especially in locations where there might be vehicular or
pedestrian traffic. Doing so is dangerous and can result in serious
personal injury.

Never try to read your watch when riding on a bicycle or when
operating a motorcycle or any other motor vehicle. Doing so is
dangerous and can result in a traffic accident and serious personal
injury.

When you are wearing the watch, make sure that its auto backlight
function is turned off before riding on a bicycle or operating a
motorcycle or any other motor vehicle. Sudden and unintended
operation of the auto backlight can create a distraction, which can
result in a traffic accident and serious personal injury.

Parallel to ground

Parallel to
ground

More
than
40

°

More than 15
degrees too high

More than 15
degrees too low

Summary of Contents for 1675

Page 1: ...less of the auto backlight function on off setting About the Auto Backlight function While the Auto Backlight function is turned on the backlight automatically lights for about two seconds in any mode whenever you position your wrist as described below Auto backlight indicator OFF ON Important Avoid wearing the watch on the inside of your wrist Doing so causes the Auto Backlight to operate when it...

Page 2: ...D B A P Day of week Month Minutes Hour Seconds Date Year PM indicator C D B A P C hPa mb Barometric pressure graph 1 Unit 1 hPa mb 0 05 inHg Temperature Last measurement updated every 2 hours 2 Barometric Pressure Temperature Display BAROMETER FUNCTIONS This watch uses a pressure sensor to measure air pressure This sensor can be calibrated Important The barometer that is built into this watch meas...

Page 3: ...30 minutes to give the temperature of the watch time to stabilize Temperature Barometric Pressure Temperature Display C D B A C hPa mb To calibrate the temperature 1 In the Timekeeping Mode use D to display the barometric pressure and temperature 2 Hold down A until the display clears OFF or the temperature value should be flashing on the display The OFF indicator appears when the factory setting ...

Page 4: ...After 4 or 5 seconds either OFF or the current reference altitude value if set will start to flash The data flashes because it is selected 2 Press C to change the selection in the following sequence 3 Press C to select the Memory Measurement Setting display with either AUTO or MANUAL flashing 4 Press D to switch between auto memory measurement AUTO flashing or manual memory measurement MANUAL flas...

Page 5: ...h auto memory measurements AUTO shown on the display the start point is the first altitude measured With manual memory measurements MANUAL shown on the display the start point is 0 m 0 ft The target altitude graph is not shown on the display if the altitude alarm is off Example The display below would appear at a current altitude of 160 m when you are using manual memory measurement with a target ...

Page 6: ...tor ERROR P C m ALTI AUTO ERROR P C hPa mb ERROR During Barometric Pressure Measurement During Altitude Measurement BATTERY P C m ALTI AUTO BATTERY P C hPa mb BATTERY During Barometric Pressure Measurement During Altitude Measurement ALARM FUNCTIONS When the Daily Alarm is on the alarm sounds for 20 seconds at the preset time each day Press any button to stop the alarm after it starts to sound Whe...

Page 7: ... report are measurements corrected to values measured at 0 m sea level 540 hPa mb 616 hPa mb 701 hPa mb 795 hPa mb 899 hPa mb 1013 hPa mb 472 hPa mb 0 m 500 m 1000 m 1500 m 2000 m 2500 m 3000 m 3500 m 4000 m 4500 m 5000 m 5500 m 6000 m 8 5 C 2 C 4 5 C 11 C 17 5 C 24 C 15 C About 6 5 C per 1000 m About 6 7 hPa mb per 100 m About 7 hPa mb per 100 m About 8 hPa mb per 100 m About 9 hPa mb per 100 m A...

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