Chase-durer COMBAT COMMAND Manuel utilisateur
COMBAT COMMAND
AUTOMATIC CHRONOGRAPH
OPERATION MANUAL
© Copyright 2006 CHASE-DURER LTD all rights reserved.
Table of Contents
Display and Screw Down Crown/Pushbuttons
® Winding / Setting Local Time
® Setting Day and Date
®
® Tachymetre
® Miscellaneous
® Specifications
®
Timing Mode • Chronograph Function
® Tachymetre
1
2
3
4
5
6
7
8
1.
DISPLAY and Screw Down Crown/Pushbuttons
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COMMAND
AUTOMATIC
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CHRONOGRAPH HANDS
WATCH HANDS
12 hour counter
60 second counter
30 minute counter
Minute hand
Hour hand
Second hand
Pushbutton A
Setting Crown
Bezel with Minute
Index Marks
Pushbutton B
Day and Date
Window
Screwed
Down
Winding and Setting Positions
3 4
12
Screw Down Crown and Pushbuttons
NOTE - Failure to screw down crown to resist moisture will void your warranty
WARNING: Crown must be locked down in position 1 at all times, use positions
2 - 4 for winding and adjustments only.
Pushbuttons do not screw down; Do not operate pushbuttons under water!
1 crown in and turn clockwise until tight.
Turn crown counterclockwise until you no
longer feel the threads gripping; crown can
now be pulled out to positions 2 - 4.
2 Winding position.
3 Day and Date adjustment position.
4 Stops second hand, setting minute and hour hands position.
Push
2.
Winding / Setting Local TIME
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COMMAND
AUTOMATIC
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Position 2
is used for winding only
of setting crown
Day and Date change each time
hour hand passes midnight
(24:00 hours)
Setting crown in position 4 is
used to adjust both hour and
minute hands*
*Setting crown in position 4 Stops the Second Hand to allow synchronizing with a time signal.
There are many accurate sources for this time signal including shortwave radio frequencies that
continuously announce GMT (UTC) and the internet.
34
12
Note - When setting the time, pay attention to the Day/Date window to make sure you are setting
the time correctly for AM or PM. The Day and Date begin changing at 11PM (23:00 hours).
NOTE: If your watch stops, it must be wound by turning the crown clockwise approximately 25 full
turns. Although the watch is automatic, the mainspring may not have enough reserve to keep it running
accurately. Once wound, the normal movement of wearing the watch will provide enough power to
keep accurate time.
3.
Setting Day Dateand
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AUTOMATIC
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Turn crown backward in
position 3 to set the Day
Turn crown forward in
position 3 to set the Date
Day and Date change each
time the hour hand passes
midnight (24:00 hours)
When setting Day and Date, the minute and hour hands must not be positioned between
8PM (20:00) and 3AM (03:00). During this time the date mechanism is engaged and
adjusting it may cause damage to the gear.
- - Important Note
4.
Timing Mode • Chronograph Function
ADD FUNCTION: Order in which pushbuttons should be pressed.
Reset to zero
B
START STOP
Read
START STOP
Read
1234X
to order of functions
13
A
Setting crown in
position 1
A
B
START
STOP
Reset to
Zero
1
2
3
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COMMAND
AUTOMATIC
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5.
Tachymetre
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COMMAND
AUTOMATIC
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slower, such as a bicycle, you must use a shorter
distance because the elapsed time must fall within
the second range.
For this example, it took 36 seconds for a cyclist
to travel 1/4 of a mile. Reading the TACHYMETRE
dial displays a speed of 100mph, but the cyclist only
traveled 1/4 of a mile, so the actual speed would be
1/4 of that or an average speed of 25mph over the
quarter mile.
Example No. 2 – To measuring something much
7.2 - 60
Using the TACHYMETRE scale
The TACHYMETRE dial is mainly used to compute an average speed after noting how long it takes to travel a
fixed distance (like one mile or one kilometer), but it can also be used to compute many other things.
The dial is a logarithmic scale that uses this formula to compute:
The chronograph second hand indicates 1/10, 1/4, 1/2, 1, 10, 100 or 1,000 etc. units (miles, objects, pounds
etc.). When stopped, the second hand points to the number on the TACHYMETRE scale by which the number
of units (1, 10, 100 or 1,000 etc.) must be multiplied to obtain per-hour production rate or per-hour speed.
TACHYMETRE DIAL = 3600 / Elapsed
Time In Seconds
seconds. The second hand, stopped as the mile
marker is passed, reads 120 on the TACHYMETRE
scale. Average speed of the car is 120 x 1, or 120
miles per hour.
Although decimal units (100 liters, 1 mile, 10
kilometers) make computing simple, in practice, the
TACHYMETRE scale can be used to calculate
velocities and production rates from any number of
units.
Example No. 1 – A car covers one mile in 30
A
START/STOP
A
START/STOP
6.
Tachymetre
More Examples:
Suppose you wanted to measure the speed of a jet airplane. After traveling 10 kilometers, you noted that 40
seconds had elapsed. The TACHYMETRE dial displays 90, but you traveled 10 kilometers, so the answer
would be 10 times that, or 900 km/hour.
You can also measure other things, like fuel consumption. Suppose a pound of fuel took 48 seconds to
burn. The chronograph second hand indicates on the TACHYMETRE dial that you are burning 75 pounds of
fuel per hour.
timed for 30 seconds produces 72 parts. Stopped at
the 30-second mark, the chronograph second hand
points to 120 on the TACHYMETRE scale; the
production rate of the machine is 120 x 72, or 8,640
parts per hour.
Example No. 4 – A manufacturing production line
Example No. 3 – A copier makes 10 copies in 45
seconds. The sweep second hand was thus stopped
at the 45-second mark, which coincides with the
figure 80 on the TACHYMETRE scale. The hourly
rate of this copier is 80 x 10, or 800 copies.
NOTE - The scale is valid for all elapsed times from seconds to seconds. If the duration of the event is
outside this range, then the answer on the dial is not valid. Some of the following examples show ways to get
around this limitation.
7.2 60
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COMBAT
COMMAND
AUTOMATIC
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AUTOMATIC
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A
START/STOP
A
START/STOP
7.
Miscellaneous
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AUTOMATIC
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At 68 F (20 C), sound travels at 344m or 376yds / 1,129ft per second in air at sea level.°°
Therefore, 68 F (20 C) sound
1 mile (1,760 yards / 5,280 feet) in
1,000 yards in
1 kilometer in
To estimate the distance to an event (such as an
explosion, muzzle flash, lightning, etc.), measure
the time from the visual flash to the sound and
multiply the seconds by the per second speed.
For example the measured lightning to thunder
time at 68 F is 10 seconds. 10 x 344m or
376yds / 1,129ft would produce 3,440m or
3,760yds / 11,290ft. (2.14miles)
Alternately, you can divide the measured time at
68 F by 4.68 to get miles (10s / 4.68 = 2.14miles),
or 2.66 for thousand yard distance, or by 2.91 for
kilometers.
at will travel:°°
°
°
4.68 seconds
2.66 seconds
2.91 seconds
Example: Sea level temp is and
lightning to thunder measured time is 18
seconds. Distance of lightning strike point
is:
18s x 1,129ft = 20,322ft
18s x 376yds = 6,768yds
18s x 344m = 6,192meters
OR:
18s / 4.68s = 3.85 miles
18s / 2.66s = 6.77 thousand yards
18s / 2.91s = 6.18 kilometers
68 F °
At 32°F (0°C), sound travels at 332m or 363yds /
1,089ft per second in air at sea level.
Therefore, at 32°F (0°C) sound will travel:
1 mile / 1,760 yards / 5,280 feet in
1,000 yards in
1 kilometer in
4.85 seconds
2.75 seconds
3.01 seconds
NOTE:
8.
Specifications
COMBAT COMMAND AUTOMATIC
Technical Specifications
® SWISS Made, ETA VALJOUX 7750 25-jewel automatic movement;
28,800 pulsations per hour; Incabloc anti-shock system; Nivaflex 1 spring,
tight tolerances of adjustment.
® Minimum 42-hour power reserve.
® Chronograph: 60 seconds, 30 minutes & 12-hour elapsed time.
® Case and bracelet in solid 316L stainless steel.
® Deployment buckle with double lock security clasp.
® Screw-locked crown & screw-in exhibition back.
® Unidirectional, ratcheted count-up bezel.
® Tachymetre
® Calendar day and date windows.
® Super-LumiNova advanced illumination system on hands & indexes.
® Scratch-resistant sapphire crystal.
® Water resistant to 100m/330 feet.
® Diameter - 40mm.
® Serial numbered.
® 2 year limited international warranty.
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