Casio EFR-540D-1AV manual

Casio EFR-540D-1AV
  • Number of pages: 1
  • Filetype: PDF
  • 1

    Operation Guide 5276

    To change the day indicator setting
    To adjust the time setting
    Pull the Crown out to Click 1.
    Push the Crown back in.
    Push the Crown back in.
    Rotate the Crown to change the
    time setting.
    When the second hand is at
    12 o’clock, pull the
    Crown out to
    Click 2.
    Rotate the Crown away from you
    to set the day.
    Take care that you set the correct AM
    or PM time.
    When changing the time, move the
    minute hand four or fi ve minutes past
    your fi nal setting, and then back it up
    to the setting you want.
    The day indicator setting uses a 31-
    day month. Make adjustments for
    months of shorter lengths.
    Avoid changing the day indicator
    setting between the hours of 9
    p.m. and 1 a.m. Otherwise, the day
    indicator may not change correctly at
    Stopwatch functions
    Crown Operations
    Some water-resistant models (100 meters, 200 meters)
    have a screw-in crown. When you need to perform a crown
    operation, rotate it towards you to unscrew it. Then pull
    the crown out. Avoid applying undue force when pulling.
    The watch loses its water resistance while the crown is
    unscrewed. After performing a crown operation, fully screw
    the crown back in.
    If your watch has a rotary bezel...
    You can rotate the bezel to align its
    mark with the
    minute hand. Then you will be able to tell how much
    time has elapsed since aligning the
    Elapsed time
    Your watch may differ somewhat from the one shown in the illustration.
    Some models may use a combination of hands and rotating disks to indicate
    information. The word “hand” in this section is used to mean both analog hands
    and rotating disks.
    Using the Stopwatch
    Elapsed time
    A A
    Start Stop Re-start Stop Reset
    Split time
    B A
    Start Split Split release Stop Reset
    Two fi nishes
    A B
    Start Split
    First runner
    Display time of
    rst runner.
    Second runner
    Split release
    Display time of
    second runner.
    Do not operate the stopwatch with the crown pulled out.
    The stopwatch 1/20-second hand will move for 10 minutes after you start an
    elapsed time operation. After that, it will stop at 0. When you stop the elapsed time
    operation, the 1/20-second hand will move to the 1/20-second reading for the
    current elapsed time.
    The stopwatch measures elapsed time in 1/20-second increments up to 11 hours,
    59 minutes, 59.95 seconds.
    Perform the following procedure if the stopwatch hands do not return to their 0 (zero)
    positions when you reset the stopwatch.
    Use the A button to select the hand whose zero position you want to correct. Each
    time you hold down A for about two seconds in the following procedure, it cycles to
    the next hand to be corrected.
    Use the B button in the following procedure to correct the 0 position of the currently
    selected hand. Holding down B moves the current hand at high speed.
    Correcting the 0 Positions of the Hands
    Operational Flow
    Pull the Crown out to Click 2.
    Hold down A for about two seconds, the
    Stopwatch 1/20-second Hand
    rotate to indicate the 1/20-second hand setting mode.
    If the hand does not align with 00, use the
    B button to adjust it.
    Hold down A for about two seconds, the
    Stopwatch Second Hand
    will rotate
    to indicate the second hand setting mode.
    If the hand does not align with 12 o’clock, use the
    B button to adjust it.
    Hold down A for about two seconds, the
    Stopwatch Hour Hand
    Stopwatch Minute Hand
    will rotate to indicate the hour hand and minute hand
    setting mode.
    If the hands do not align with 0 hours and 0 minutes, use the
    B button to adjust
    After all of the hands are the way you want, push the Crown back in.
    Timekeeping stops while the crown is pulled out. Correct the current time setting
    after performing the above operation.
    Second Hand
    Day Indicator
    Click 2Click 1
    Hour Hand Minute Hand
    Stopwatch 1/20-second Hand
    Stopwatch Second Hand
    Stopwatch Hour Hand
    Stopwatch Minute Hand

    Specifi cations

    Accuracy: ±20 seconds average per month
    Stopwatch: Measuring Capacity: 11:59'59.95" (12 hours)
    Measuring Unit: 1/20 second
    Measurements: Elapsed time; split time; two fi nishes
    Battery: One silver oxide battery (Type: SR927SW)
    Battery Life: Approximately 3 years (2 hours stopwatch operation per day)
    Low Battery Indicator: Second hand moves in 2-second increments when power
    is low.
Casio EFR-540D-1AV

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Casio EFR-540D-1AV specifications

Brand Casio
Model EFR-540D-1AV
Product Watch
Language English
Filetype PDF
Technical details
Mechanism type -
Chronometer -
Watch dial type Analog dial
Water resistant pressure 10 ATM
Water resistant depth 100 m
Shockproof -
Number of watch hands 3
World time function
Accuracy ±20 sec/month
Clock mode 12h/24h
Screw-in crown
Watch type Wrist watch
Calendar type Date
Battery level indicator
Battery type SR927SW
Battery life 3 year(s)
Number of batteries supported 1
Watch case material Stainless steel
Band material Stainless steel
Housing colour Silver
Band main colour Silver
Watch glass type Mineral
Case shape Round
Watch dial main colour Black
Watch marker style Non numeral
Watch marker colour Silver
Product design -
Weight & dimensions
Width 48.1 mm
Depth 12.1 mm
Height 54 mm
Weight 191 g
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