Beuchat Mundial 3 User manual

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© 2002 Design, 2014 Doc. No. 12-5372-r01 (4/23/14)
User Manual
User Manual

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© 2002 Design, 2014 Doc. No. 12-5372-r01 (4/23/14)
User Manual
All our products are guaranteed in compliance with current laws in the country of purchase.
This User Manual is copyrighted, all rights are reserved. It may not, in whole or in part, be copied, photocopied, reproduced, translated, or reduced to
any electronic medium or machine readable form without prior consent in writing from Beuchat/2002 Design.
Mundial 3 User Manual, Doc. No. 12-5372
© 2002 Design, 2014
San Leandro, CA USA 94577
Beuchat, the Beuchat logotype, Mundial 3, the Mundial 3 logo, and BCI (Beuchat Computer Interface) are all registered and unregistered trademarks,
trade names, and service marks of Beuchat. All rights are reserved.

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User Manual
INITIAL ACTIVATION
Beuchat Watch type dive gauges are placed in a Deep Sleep mode prior to being shipped from the factory. The intent is to extend
storage life of the Battery for up to 7 years, before the unit is initially placed in service.
In this mode, Date and Time are updated as they normally would be. However, they are not displayed. Upon waking the Mundial 3
up, the correct Date and USA Pacific Time will be displayed and it will be ready to operate with full functions.
To wake the Mundial 3 up from Deep Sleep mode, simultaneously depress the upper/right (S) and lower/left (A) buttons for 2 seconds
until the display comes full ON displaying the MAIN TIME screen, then release them.
Once the Mundial 3 is brought out of the Deep Sleep mode, it can only be placed back in it by the factory.
FULL LCD
Components:
a. Mode (M) Button
b. Select (S) Button
c. Light (L) Button
d. Advance (A) Button
e. LED Warning Light
f. Icon - Low Battery
g. Icon - Time Am/Pm
h. Icon - Log Mode
i. Icon - Surface Interval Time
j. Icon - Degrees (Temp)
k. Icon - Elapsed Dive Time
l. Icon - Daily Alarm set
m. Icon - Depth/Max Depth
b
c
d
e
g
h
j
k
l
i
m
a
f

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User Manual
Welcome
to
Beuchat
and
THANK YOU
for choosing the
Mundial 3

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User Manual
GENERAL
FEATURES & DISPLAYS

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User Manual
INTERACTIVE CONTROL CONSOLE
The Interactive Control Console consists of four Control Buttons that allow you to select mode options and access specific informa-
tion. They are also used to enter Settings, operate the Backlight, and access additional screens of information.
Throughout this manual they will be referred to as the M, S, L, and A buttons.
• Upper/Left - Mode (M) button
• Upper/Right - Select (S) button
• Lower/Right - Light (L) button
• Lower/Left - Advance (A) button
OPERATING MODE STRUCTURE
Unless it is operating in Free Mode, the Mundial 3 will display Watch Time (Fig. 1) like a standard Watch until the mode is
changed.
The A button is used to access other Watch functions that include an Alternate display, Countdown Timer, Chronograph (stop
watch/run timer), Daily Alarm, and Time settings. The A button also allows direct access to Log and History Modes.
The M button is used to access and return from the Free Surface Main screen.
The screens of the various modes will be displayed until a button is pressed to access another screen or mode, activate a sequence,
or for 2 minutes if no button is pressed. The Chronograph remains on display unless turned Off or another mode is accessed.
When operating in Free Mode, the Mundial 3 will enter Dive Mode upon descent to the DSD (Dive Start Depth) previously set which
can be 0.6, 1.2, or 1.8 M (meters) or 2, 4, or 6 FT (feet) for 1 second.
See page 20 for Set DSD.
OPERATION AS A DIVING GAUGE
Entering Settings relating to diving activities is only available in Free Surface Mode which also allows access to a Countdown Timer
(separate from the Watch CDT), Log, and History Modes.
PC/MAC INTERFACE
Interface with a PC or MAC, to allow uploading settings, downloading data, and updating firmware, is accomplished by connect-
ing the Mundial 3 to a PC or Mac USB port using the special Beuchat USB interface cable.
The PC software program together with the PC USB driver required is on the Beuchat Product CD, or it can be downloaded from the
Beuchat web site. The program's Help serves as the user manual which can be printed for personal use.
The DiverLog software program for MAC can be found at the Mac App Store.
The settings upload portion of the computer interface program can be used to set/change the Main Time, Date, Set Alarms group,
and Set Utilities group using the same interface system.
Information available for retrieval (download) from the Mundial 3 to the download portion of the program includes dive number,
surface interval time, start depth, end depth, maximum depth, elapsed dive time, start date, start time, lowest temperature under
water, sampling rate, dive profile, and set points.
The computer interface program also allows update of select versions of the Mundial 3's firmware (operating system software).
•
Refer to page 29 for more details relating to the computer interface system.
GRAPHIC MESSAGES
The segmented digits of the LCD are used to present various messages such as alarms, day of the week, modes, and items being
set, as well as graphics such as On, Off, Set, Last, Log, Hist, etc.
AUDIBLE ALARM
A LED Warning Light, located on the side of the housing, is synchronized with the Audible Alarm. It will flash as the Audible Alarm
sounds, then turn off when the Audible shuts off. The Audible and LED will not be active if the Alarm is set OFF, a group A setting
which completely disables it.
When Alarms strike, the Backlight will come On if Off and remain On until you turn it Off by pressing/releasing the L button or it
turns Off automatically after 10 seconds or the associated duration of beeps.
Situation that will sound (2) 2 second beeps -
• EDT (repeating Elapsed Dive Time) Alarm, if set On.
Situations that will sound 3 sets of (3) 1 second beeps -
• Watch Daily Alarm (surface only), if set On.
• Watch Countdown Timer reaches 0:00 (hr:min), if set On.
• Free Mode Countdown Timer reaches 0:00 (min:sec), if set On.
• SRT (Surface Recovery Time) Alert, if set On.
• RDI (Repeating Depth Interval) Alarm, if set On.
Situations that will sound 3 sets of (3) .125 second beeps -
• Depth Alarms DD1, DD2, and DD3, if set On.
M
A
S
L
Watch Functions
Default Time
Alternate info
Countdown Timer
Daily Alarm
Set Time
Chronograph
Fig. 1 - WATCH TIME

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BACKLIGHT
To turn the Backlight On, press and release the L button momentarily (< 2 seconds). The Backlight will remain On for the Duration
time set (a Set U selection) unless you turn it Off during that time.
• The Backlight will come On (even if set OFF) when Alarms strike and remain On until turned Off or automatically after 10
seconds .
• Pressing and releasing the L button (< 2 seconds) while the Backlight is On will turn it Off.
• Depressing the L button for 2 seconds while the Backlight is On, will reset the timer and extend the On time to the full Duration
time set.
• If the L button is held depressed for more than 60 seconds, the Backlight will turn Off and not turn On until the button is released
then pressed/released again.
• The Backlight will be disabled when there is a Low Battery condition, and be re enabled once the battery is replaced.
• Extensive use of the Backlight reduces Battery use life.
• Turning the Backlight Off when it is not being used will help extend Battery use life.
• The Backlight does not operate when the unit is connected to a PC or Mac.
POWER SUPPLY
The Mundial 3 utilizes (1) 3 volt CR2430 Lithium Battery.
Battery voltage is checked every 2 minutes during operation while on the surface.
• If voltage decreases to the Warning level (2.75 volts), the Battery icon will appear on the Watch Main Time and Free Surface
screens (Fig. 2a) as an indication that the Battery should be changed prior to commencing a series of dives.
• If voltage decreases to the Alarm level (2.50 volts), the Battery icon will flash and operation will automatically revert to Watch
Main Time and only operate in Watch modes until the Battery becomes completely depleted.
• Low Battery Warning/Alarm conditions are not displayed during Dive Modes.
• If a Low Battery Condition was not displayed prior to starting a Dive, and a Low Battery Condition occurs during the dive, there
will be sufficient Battery power to maintain operation for the remainder of that dive. Upon surfacing, the message CHNG >>
BATT will alternate (Fig. 3), then operation will automatically revert to and remain in Watch Main Time until the Battery becomes
completely depleted.
Fig. 2 - LOW BATTERY
WARNING
a
Fig. 3 - LOW BATTERY
ALARM
Each display represents unique pieces of information. It is imperative that you understand the
formats, ranges, and values of the information represented to avoid any possible misunder-
standing that could result in error.
Understand which Time displays are represented as Minutes: Seconds and which are
Hours:Minutes.
You must also understand the icons, symbols, and alpha/numeric messages presented.
The Informational Displays are described in detail as the various operating modes they
appear in are presented throughout this manual.

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WATCH
MODE

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WATCH DEFAULT TIME
Default Time is the time that is displayed on the Watch until changed.
Main Time is the current time at your home location and is normally selected as the Watch Default Time.
Alternate Time will be the current time at a remote travel location. Upon arrival at the location, Alternate Time can be interchanged
with Main Time to make it the Watch Default Time. When it is not selected to be the Default Time, it can be viewed on the Watch
ALT screen, or it can be displayed on the Watch screen with Main Time and will be referred to as Dual Time
Once Alternate Time is set, by hour differential, it will automatically change when Time of Day is set/changed. When Alternate
Time is selected to be the Watch Default Time (while at a travel location), it will change directly when Time of Day is changed and
Main (home) Time will then change by a differential opposite the one set for Alternate Time.
WATCH DEFAULT TIME, information includes (Fig. 4A, 4B, 4C):
> Battery icon, during Low Battery condition.
> Day of the Week graphic (MON, TUE, etc.).
> Time of Day (hr:min:sec) with AM (or PM) icon if 12 hour format; Main (home) or Alternate (away) with lazy 8 icon.
> Date as Month.Day (or Day.Month); or Dual Time (hr:min) if Show Dual is set for Yes.
> Alarm (speaker) icon, if the Daily Alarm is set On.
• A (< 2 sec) - to access the ALT screen and step forward through the group sequence.
• A (2 sec) - to access Log and History.
• M (2 sec) - to access FREE Surface Mode.
• M (< 2 sec) - to access the Chronograph and step back through the group sequence.
• S (< 2 sec) - to silence the Daily Alarm.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
WATCH ALT (Alternate), information includes (Fig. 5A or 5B):
> Temperature with F (or C).
> Time of Day (hr:min:sec) with AM (or PM) icon if 12 hour format; Main (home) or Alternate (away) with lazy 8 icon.; or the
Date; whichever one is not on the Main.
• A (< 2 sec) - to step forward to the Watch CDT.
• M (< 2 sec) - to step back to Watch Main Time.
• Reverts to Watch Default Time in 10 seconds if A or M is not pressed.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
WATCH CDT (Countdown Timer)
This selection provides access to a CDT for use in Watch mode.
Once set and started, it will continue to run in the background while on the surface in Watch Mode until it is turned Off or the time
counts down to 0:00 at which time the alarm will strike and it will revert to Off.
Upon accessing FREE mode or starting a dive, Watch CDT operation will be terminated and the time reset to the previous setting.
CDT Lead-in, information includes (Fig. 6):
> Graphics Go To and Cdt.
• S (< 2 sec) - to access CDT Status.
• A (< 2 sec) - to step forward to Daily Alarm Lead-in.
• M (< 2 sec) - to step back to Watch ALT.
• M (2 sec), or 2 minutes of no button action, will revert to Watch Default Time.
CDT Status, information includes (Fig. 7A/B):
> Graphic TIMR.
> Countdown Time (hr:min) with TIME icon, as >>
0:00 if no time has been set, or it completed the countdown;
hr:min set if Off and ready to start;
hr:min remaining of On with a countdown in progress.
> Graphic OFF (or ON) flashing (Fig. 7A).
Fig. 4A - DEFAULT TIME
(Main selected, no Dual)
Fig. 4B - DEFAULT TIME
(Main selected, with Dual)
Fig. 5A - WATCH ALT
(Show Dual set for No)
Fig. 5B - WATCH ALT
(Show Dual set for Yes)
Fig. 6 - CDT LEAD-IN
Fig. 7A - CDT STATUS
(upon access)
or
indicates Time
is Alternate
Fig. 4C - DEFAULT TIME
(ALT selected, no Dual)
Dual Time
(Alternate)

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• A (< 2 sec) - to step forward through selections of OFF, ON, and SET (Fig. 7B).
• M (< 2 sec) - to step back through the selections.
• S (< 2 sec) - to save the selection.
>> If OFF or ON is selected, operation reverts to the Lead-in screen.
>> If SET is selected, the Set CDT screen is displayed.
• S (2 sec) - to revert to CDT Lead-in, if no setting change.
• M (2 sec), or 2 minutes of no button action, will revert to Watch Default Time.
Set CDT, information includes (Fig. 8):
> Graphics TIMR and SEt.
> Timer setting (hr:min) with TIME icon, with Hour digits flashing.
• A (hold) - to scroll upward through Hour Set Points (8/sec) from 0: to 23: in increments of 1: (hr).
• A (< 2 sec) - to step upward through Hour Set Points.
• M (< 2 sec) - to step back through Set Points.
• S (< 2 sec) - to save the Hour setting and flash the Minute digits.
• A (hold) - to scroll upward through Minute Set Points (8/sec) from :00 to :59 in increments of :01 (min).
• A (< 2 sec) - to step upward through Minute Set Points.
• M (< 2 sec) - to step back through Set Points one at a time.
• S (< 2 sec) - to save the CDT setting and revert to the CDT Status screen with SEt flashing, allowing ON or OFF to be selected
as previously described.
> ON will then start the countdown and revert to CDT Lead-in.
> OFF will save the setting and revert to CDT Lead-in.
The CDT will run in the background until it counts down to 0:00, or it is set OFF, or FREE Mode is accessed or a dive is started in
which case the countdown will terminate and revert to OFF.
When CDT reaches 0:00, the Audible will sound during which 0:00 with the CDT icon will flash on the Watch Default Time screen.
DAILY ALARM
When set On, the Daily Alarm will -
> be synchronized with Watch Default Time.
> sound the Audible every day at the Time set, while operating in Watch Mode.
> not sound the Audible while operating in FREE Mode.
> run in the background until set Off.
Daily Alarm Lead-in, information includes (Fig. 9):
> Graphics Go To and dAY AL with icon.
• S (< 2 sec) - to access Daily Alarm Status.
• A (< 2 sec) - to step forward to Set Time Lead-in.
• M (< 2 sec) - to step back to CDT Lead-in.
• M (2 sec), or 2 minutes of no button action, will revert to Watch Default Time.
Daily Alarm Status, information includes (Fig. 10):
> Graphic ALRM.
> Alarm Time (hr:min) with TIME icon, and AM (or PM) icon if 12 Hour Format.
> Graphic ON (or OFF) flashing, with Alarm icon.
• A (< 2 sec) - to step forward through the selections of OFF, ON, and SET.
• M (< 2 sec) - to step back through the selections.
• S (< 2 sec) - to save the selection, and -
> if OFF or ON is selected, revert to Daily Alarm Lead-in.
> if SET is selected, the Set screen is displayed.
• S (2 sec) - to revert to Daily Alarm Lead-in, if no setting change.
• M (2 sec), or 2 minutes of no button action, will revert to Watch Default Time.
Set Daily Alarm, information includes (Fig. 11):
> Graphics ALRM and SEt Alarm icon.
> Alarm Time (hr:min) with icons, Hour digits flashing.
• A (hold) - to scroll upward through Hour Set Points (8/sec) from 0: to 23: in increments of 1: (hr).
• A (< 2 sec) - to step upward through Hour Set Points.
• M (< 2 sec) - to step back through Set Points.
• S (< 2 sec) - to save the Hour setting and flash the Minute digits.
• A (hold) - to scroll upward through Minute Set Points (8/sec) from :00 to :59 in increments of :01 (min).
• A (< 2 sec) - to step upward through Minute Set Points.
• M (< 2 sec) - to step back through Set Points.
• S (< 2 sec) - to save the Alarm setting and revert to the Daily Alarm Status screen with SEt flashing, allowing ON or OFF to be
selected as previously described.
Fig. 7B - CDT STATUS
(to access Set)
Fig. 8 - SET CDT
(hr:min)
Fig. 9 - DAILY ALARM
LEAD-IN
Fig. 10 - DAILY ALARM
STATUS (set, ready)
Fig. 11 - SET DAILY
ALARM (hr:min)
or

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SET TIME (& DATE)
Sequence >> Lead-in >> Date Format >> Hour Format >> Time of Day >> Date >> Alternate Time >> Default Time >> Show Dual.
Set Points remain as set until changed.
Set Time Lead-in, information includes (Fig. 12):
> Graphics GoTo and SEt t.
• S (< 2 sec) - to access Set Date Format.
• A (< 2 sec) - to step forward to Chrono Lead-in.
• M (< 2 sec) - to step back to Daily Alarm Lead-in.
• M (2 sec), or 2 minutes of no button action, will revert to Watch Default Time.
Set Date Format, information includes (Fig. 13):
Date Format establishes the position that the Month (M) digits are displayed relative to the Day (D) digits, on the left or right.
> Graphic M - D (or D - M) flashing.
> Graphic dAtE.
• A or M (< 2 sec) - to toggle between M - D and D - M.
• S (< 2 sec) - to save setting and access Set Hour Format.
• S (2 sec) - to step back to Set Time Lead-in.
• M (2 sec), or 2 minutes of no button action, will revert to Watch Default Time.
Set Hour Format, information includes (Fig. 14):
Hour Format establishes the number of hours displayed for Time of Day, 1 to 12 (AM and PM) or 1 to 24.
> Graphic HOUR with TIME icon.
> Graphic 12 (or 24) flashing.
• A or M (< 2 sec) - to toggle between 12 and 24.
• S (< 2 sec) - to save setting and access Set Time of Day.
• S (2 sec) - to step back to Set Date Format.
• M (2 sec), or 2 minutes of no button action, will revert to Watch Default Time.
Set Time of Day, information includes (Fig. 15):
This setting changes Time of Day selected as the Default Time (Main or Alternate), which also changes other by the differential set.
> Graphic 12HR (or 24HR) with TIME icon.
> Time of Day (hr:min), Hour digits flashing, with AM (or PM) icon if 12 Hour format.
• A (hold) - to scroll upward through Hour Set Points (8/sec) from 12: AM to 11: PM, or 0: to 23: if 24 Hour Format, in
increments of 1: (hr).
• A (< 2 sec) - to step upward through Hour Set Points.
• M (< 2 sec) - to step back through Set Points.
• S (< 2 sec) - to save the Hour setting and flash the Minute digits.
• S (2 sec) - to step back to Set Hour Format.
• A (hold) - to scroll upward through Minute Set Points (8/sec) from :00 to :59 in increments of :01 (min).
• A (< 2 sec) - to step upward through Minute Set Points.
• M (< 2 sec) - to step back through Set Points.
• S (< 2 sec) - to save the Time setting and access Set Date.
• S (2 sec) - to step back to Set Hour.
• M (2 sec), or 2 minutes of no button action, will revert to Watch Main Time.
Set Date, information includes (Fig. 16):
Sequence is Set Year, then Set Month, then Set Day, regardless of Date Format set (their location on the screen).
> Graphic YEAR.
> Year digits, flashing upon access.
> Month.Day (or Day.Month).
• A (hold) - to scroll upward through Year Set Points (8/sec) from 2014 to 2057, in increments of 1.
• A (< 2 sec) - to step upward through Year Set Points.
• M (< 2 sec) - to step back through Set Points.
• S (< 2 sec) - to save the Year setting, replace the graphic YEAR with MNTH, and flash the Month digits.
• S (2 sec) - to step back to Set Time of Day.
Fig. 14 - SET HOUR
FORMAT
Fig. 13 - SET DATE
FORMAT
Fig. 15 - SET TIME OF
DAY (hr:min)
Watch Time/Date
can also be set using
the Settings Upload
feature of the PC
Interface software.
Prior to shipment from
the factory, any error
of the Watch Time
is determined and
corrected.
Fig. 12 - SET TIME
LEAD-IN
Fig. 16 - SET DATE
(Year, Month, Day)

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• A (hold) - to scroll upward through Month Set Points (8/sec) from 1 to 12 in increments of 1.
• A (< 2 sec) - to step upward through Set Points.
• M (< 2 sec) - to step back through Set Points.
• S (< 2 sec) - to save the Month Set Point, replace the graphic MNTH with DAY, and flash the Day digits.
• S (2 sec) - to step back to Set Year.
• A (hold) - to scroll upward through Day Set Points (8/sec) from 1 to 31 (max for that month) in increments of 1.
• A (< 2 sec) - to step upward through Set Points.
• M (< 2 sec) - to step back through Set Points.
• S (< 2 sec) - to save the Date setting and revert to Set Time Lead-in.
• S (2 sec) - to step back to Set Month.
• M (2 sec), or 2 minutes of no button action, will revert to Watch Default Time.
Set Alternate Time (Differential), information includes (Fig. 17):
This feature allows you to set an Hour based numeric time Differential ranging from - 23 through OFF to + 23 (hours). It provides a
second (Alternate) Time equal to Watch Default Time +/- the Hours selected.
> Graphic OFF, or the Hour Differential (+ or - sign with numeric digits), flashing.
> Graphics diFF - Hr and ALt with TIME icon.
• A (hold) - to scroll upward through the Set Points (8/sec) from OFF to + 01 through + 23 then - 23 through - 01 in increments
of 1 (hour).
• A (< 2 sec) - to step upward through Set Points.
• M (< 2 sec) - to step back through Set Points.
• S (< 2 sec) - to save the setting and access Select Default Time.
• S (2 sec) - to step back to Set Time of Day.
• M (2 sec), or 2 minutes of no button action, will revert to Watch Default Time.
Select Default Time, information includes (Fig. 18):
This selection allows you to choose which time is to be displayed as the primary time of day, and which by differential.
> Graphic MAIN (home) or ALT (away), the one previously saved, flashing.
> Graphic dEFAULt with TIME icon.
• A or M (< 2 sec) - to toggle between MAIN and ALT.
• S (< 2 sec) - to save the setting and access Show Dual Time.
• S (2 sec) - to step back to Set Alternate Time.
• M (2 sec), or 2 minutes of no button action, will revert to Watch Default Time.
Show Dual Time, information includes (Fig. 19):
This selection determines whether the differential time set will be displayed on the main Watch screen with Default Time.
> Graphic SHOW and dUAL with TIME icon.
> Graphic YES or NO, the one previously saved, flashing.
• A or M (< 2 sec) - to toggle between YES and NO.
• S (< 2 sec) - to save the setting and revert to the Set Time Lead-in (Go To) screen.
• S (2 sec) - to step back to Set Default Time.
• M (2 sec), or 2 minutes of no button action, will revert to Watch Default Time.
Fig. 17 - SET ALT TIME
(Hour Differential)
Fig. 18 - SELECT
DEFAULT TIME
Fig. 19 - SET SHOW
DUAL TIME

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CHRONOGRAPH (Stop Watch, Lap/Run Timer)
The Chrono is operational during all modes (Watch, Free Surface, and Dive). Once started, the Chrono remains on the display and
continues to run until M is pressed (< 2 sec) to revert to the Lead-in (Go To) screen if in Watch or FREE Surface mode or to the Dive
Main if a dive was started while the Chrono was running. It runs unseen in the background when being displayed.
Chrono Lead-in, information includes (Fig. 20A):
> Graphics GoTo and Chro.
• S (< 2 sec) - to access Chrono Status.
• A (< 2 sec) - to step forward to Watch Main Time (or Surface Main if in FREE Mode).
• M (< 2 sec) - to step back to Set Time Lead-in (or ID-SN if in FREE Mode).
• M (2 sec), or 2 minutes of no button action, will revert to Watch Default Time.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
Chrono Status, information includes (Fig. 20B, 20C):
> Graphic CHRO.
> Elapsed run time with TIME icon >> 0:00.00 flashing if not yet started or after reset; or counting up to 9:59:59.99 (min:sec_
.01 sec) if previously started.
After the first 4.99 seconds, the .01 digits display 2 dashes ( . - - ).
> Graphic LAP1 (up to 9) once started, blank if not.
• S* (< 2 sec) - to start the Timer which begins counting up in increments of .01 sec.
• S* (< 2 sec) - to save that Lap's time and display the next Lap # (up to 9, then restart with 1) with the Timer continuing to count
up, displaying total run time until stopped.
• A (< 2 sec) - to stop the Timer, save the Lap in progress (the final Lap) and total elapsed run time*, then recall LAP1 (up to 9)
flashing with it's time (Fig. 20D).
Repeat to recall other Lap times.
*Total elapsed run time is the entire time from S (< 2 sec) that first started Lap 1 until A (< 2 sec) that stopped the timer and
final lap.
• A (2 sec) after the timer is stopped - to reset total run time to 0:00.00.
• S* (2 sec) - to step back to the Chrono Lead-in.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
*Chrono operations are blocked when S is operated during an alarm strike.
------------------------------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------------------------------
If no dive is conducted within 2 hours after accessing Free Mode, operation will revert to Watch Default Time.
Operation will also revert from Free Surface Mode to Watch Default Time 2 hours after completion of a dive
or if M is pressed (for 2 seconds) while viewing Free Surface Main.
Fig. 20B - CHRONO
STATUS (just started)
Fig. 20C - CHRONO
STATUS (running)
Fig. 20D - CHRONO LAP
RECALL
Fig. 20A - CHRONO
LEAD-IN

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SURFACE
MODE

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SURFACE MODE
Surface Main is the default screen displayed while in FREE Mode.
Like Watch mode, you can access a group of functions including >>
ALTs (Countdown Timer and additional data), Set Alarms, Set Utilities, Serial Number, and Chronograph.
The CDT is separate from the one featured in Watch Mode.
The Chronograph is the same one as Watch Mode with it's operations carrying over between the two modes.
Group button operations >>
• A (< 2 sec) - to step forward through the sequence of selections in the group.
• M (< 2 sec) - to step back through selections.
• M (2 sec, any time) - to revert to Surface Main.
• No button action (2 min) - revert to Surface Main.
• L - to activate the Backlight.
Descent to the DSD (Dive Start Depth) set for 1 second will activate Dive Mode, which will run in the background if the Chrono is on
display.
Setting the DSD for the start depth you prefer is explained later in the Set Utilities section.
Upon ascent to 2 FT (0.6 M) for 1 second, the Dive Main will remain on display for 10 minutes or until M is pressed (2 sec), which-
ever is first, then the Surface Main will be displayed.
When set On, the SRT (Surface Recovery Time) alarm will sound and flash a message when the Surface Interval after surfacing
reaches the time set.
Setting the SRT Alarm for the interval that you prefer is explained later in the Set Alarms section.
When 2 hours elapse after surfacing, operation will revert to Watch Mode. M (2 sec) will access or return from Watch Mode.
SURF MAIN, information includes (Fig. 21A/B/C):
> Graphic FREE.
> Surface Interval Time (hr:min:sec) with SURF and TIME icons.
> Number of the last dive conducted that calendar day with DIVE icon. If no dive has been made yet that day, or if Dive # is
reset by A+S (2 sec), 0 will be displayed.
> Battery icon, if a Low Battery condition.
• A (< 2 sec) - to access SURF ALT 1, and step forward through the group sequence.
• A (2 sec) - to access Log/History.
• A + S (2 sec) - to reset Dive # to 0.
• M (< 2 sec) - to access Chrono Lead-in, and step back through the group sequence.
• M (2 sec) - to access Watch Main.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
---------------------------------------------------------------------------------------------------------
Upon surfacing from a dive, the following information is displayed for 10 minutes or until M is pressed for 2 seconds (which-
ever is first), then the above is displayed.
> Graphic No and # of that dive.
> Max Depth of the dive with MAX and FT (or M) icons.
> Current Surface Interval Time** (min:sec) with SURF and TIME icons.
> EDT with DIVE and TIME icons.
**Note that Surface Interval Time is displayed as hr:min:sec, except during the first 10
minutes after surfacing from a dive when only min:sec are displayed.
While this information is displayed, A and S button operations are blocked.
---------------------------------------------------------------------------------------------------------
Fig. 21A - SURF MAIN
(no dive yet)
Fig. 21B - SURF MAIN
(< 10 min after surfacing)
Fig. 21C - SURF MAIN
(> 10 min after surfacing)

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SURF ALT 1 (CDT Status), information includes (Fig. 22):
> Graphic TIMR.
> Countdown Time (min:sec) with TIME icon, as >>
0:00 if no time has been set, or it completed the countdown;
min:sec set if Off (or Auto) and ready to start;
min:sec remaining if On (or Auto) with a countdown in progress.
> Graphic OFF (or ON, or Auto) flashing.
• S (< 2 sec) - to start/stop the countdown.
Once started when set for Auto, the countdown repeats until stopped.
• S (2 sec), when set On or for Auto and while the countdown is stopped - to reset the time to the min:sec previously set.
• A (< 2 sec) - to step forward to ALT 2.
• M (< 2 sec) - to step back to SURF MAIN.
• Reverts to Main in 30 seconds if A or M is not pressed.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
SURF ALT 2, information includes (Fig. 23):
> Day of Week graphic.
> Time of Day (hr:min:sec) with AM (or PM) and TIME icons.
> Temperature with °F (or °C).
• A (< 2 sec) - to step forward to CDT Lead-in.
• M (< 2 sec) - to step back to ALT 1.
• Reverts to Main in 10 seconds if A or M is not pressed.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
FREE CDT (COUNTDOWN TIMER)
The FREE Mode CDT (which is not the same one as the Watch CDT) counts down time values in minutes:seconds.
CDT Status, displayed as SURF ALT 1 will be displayed as Dive ALT 1 once a dive is started.
When set for Auto, the countdown will keep repeating after counting down to 0:00 until stopped by S (< 2 sec) while viewing SURF
or Dive ALT 1.
CDT Lead-in, information includes (Fig. 24):
> Graphics GoTo and Cdt.
• S (< 2 sec) - to access CDT Setup.
• A (< 2 sec) - to step forward to Set Alarms Lead-in.
• M (< 2 sec) - to step back to SURF ALT 2.
• M (2 sec), or 2 minutes of no button action, will revert to SURF MAIN.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
CDT Setup, information includes (Fig. 25):
> Graphic TIMR.
> Countdown Time (min:sec) as >>
0:00 if no time has been set, or it completed the countdown;
min:sec set if Off (or Auto) and ready to start;
min:sec remaining if On (or Auto) with a countdown in progress.
> Graphic OFF (or ON, or Auto) flashing.
• A (< 2 sec) - to step forward through selections of OFF, ON, AUTO, and SET.
• M (< 2 sec) - to step back through the selections.
• S (< 2 sec) - to save the selection.
>> If OFF, ON*, or AUTO* is selected, operation reverts to the Lead-in screen.
*Selecting ON or AUTO does not start the timer. It is only started/stopped when displayed as Surface or Dive ALT 1.
>> If SET is selected, the Set CDT screen is displayed.
• S (2 sec) - to revert to CDT Lead-in, if no setting change.
• M (2 sec), or 2 minutes of no button action, will revert to SURF MAIN.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
Set CDT, information includes (Fig. 26):
> Graphics TIMR and SEt.
> Timer setting (min:sec) with TIME icon, with Minute digits flashing.
Fig. 24 - CDT LEAD-IN
Fig. 25 - CDT SETUP
(to access Set)
Fig. 26 - SET CDT
Fig. 22 - SURF ALT 1
Fig. 23 - SURF ALT 2

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• A (hold) - to scroll upward through Minute Set Points (8/sec) from 0: to 59: in increments of 1: (min).
• A (< 2 sec) - to step upward through Minute Set Points.
• M (< 2 sec) - to step back through Set Points.
• S (< 2 sec) - to save the Minute setting and flash the Seconds digits.
• A (hold) - to scroll upward through Seconds Set Points (8/sec) from :00 to :59 in increments of :01 (sec).
• A (< 2 sec) - to step upward through Seconds Set Points.
• M (< 2 sec) - to step back through Set Points one at a time.
• S (< 2 sec) - to save the CDT setting and revert to the CDT Status screen with SEt flashing, allowing ON or OFF to be selected
as previously described.
• S (2 sec) - to revert to CDT Setup, if no setting change.
• M (2 sec), or 2 minutes of no button action, will revert to SURF MAIN.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
------------------------------------------------------------------------------------------------------------------------------------------------------------
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SURFACE SET MODES
To access: SURF MAIN >> ALT 1 >> ALT 2 >> CDT >> SET A >> SET U.
• A (< 2 sec) to access and step through the sequence.
> Set Points can also be changed using the BCI PC/Mac Interface programs.
> Settings remain at the values set until changed.
SET ALARMS
Sequence: Lead-in >> AUD >> SRT >> EDT >> RDI >> DD1 to DD3.
• A (< 2 sec), while viewing CDT Lead-in, to access Set Alarms Lead-in.
The Set Audible feature provides complete OFF control of the Audible and its associated LED warning light. When set OFF, no
beeps will be emitted and the light will not flash when an alarm condition occurs, which some divers prefer during select activities.
Icons and messages will still flash and the Backlight will still come On.
The SRT (Surface Recovery Time) Alarm provides an alert when a set 'recovery time' has elapsed after surfacing from a dive.
The EDT (repeating Elapsed Dive Time) Alarm repeats each time the Time Interval set is reached during operation in Dive Mode.
The RDI (Repeating Depth Interval) Alarm repeats each time the Depth Interval set is reached, except when the DD alarms strike. If a
series of descents, ascents, descents is made, the alarm will activate during each of the Descents.
The DD1 to DD3 (Descending Depth) Alarms are set and operate in sequence while descending.
At any time while entering settings -
• M (2 sec), or 2 minutes of no button action, will revert to SURF MAIN.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
Set Alarms Lead-in, information includes (Fig. 27):
> Graphics GoTo and SEt A.
• S (< 2 sec) - to access Set Audible.
• A (< 2 sec) - to step forward to Set Utilities Lead-in.
• M (< 2 sec) - to step back to CDT Lead-in.
Set Audible Alarm, information includes (Fig. 28):
> Graphic AUD.
> Graphic OFF (or ON), flashing upon access.
• A or M (< 2 sec) - to toggle between OFF and ON.
• S (2 sec) - to step back to Set Alarms Lead-in.
• S (< 2 sec) - to save the setting and access Set SRT Alarm.
Fig. 27 - SET ALARMS
LEAD-IN
Fig. 28 - SET AUDIBLE
ALARM

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Set SRT (Surface Recovery Time) Alarm, information includes (Fig. 29):
> Graphic SRT.
> Recovery Time (min:sec) with SURF & TIME icons.
> Graphic OFF (or ON), flashing upon access.
• A (< 2 sec) - to step forward through the selections of OFF, ON, and SEt.
• M (< 2 sec) - to step back through the selections.
• S (2 sec) - to step back to Set Audible.
• S (< 2 sec) - to save the setting.
> If OFF or ON is saved, operation will advance to Set EDT Alarm.
> If SEt is saved, the Minute digits will flash.
• A (hold) - to scroll upward through the Minute Set Points at a rate of 8 per second from 0: to 30: in increments of 1 minute.
• A (< 2 sec) - to step upward through the Minute Set Points one at a time.
• M (< 2 sec) - to step back through the Minute Set Points one at a time.
• S (2 sec) - to step back to SEt flashing.
• S (< 2 sec) - to save the Minute setting and flash the Seconds digits.
• A (hold) - to scroll upward through the Second Set Points at a rate of 8 per second from :00 to :59 in increments of 1 second.
• A (< 2 sec) - to step upward through the Second Set Points one at a time.
• M (< 2 sec) - to step back through the Second Set Points one at a time.
• S (2 sec) - to step back to the Minutes digits flashing.
• S (< 2 sec) - to save the min:sec setting (digits solid) and flash the graphic SEt allowing ON or OFF to be selected/saved.
Set EDT (repeating Elapsed Dive Time) Alarm, information includes (Fig. 30):
> Graphic EDT.
> Time (min:sec) with TIME icon.
> Graphic OFF (or ON), flashing upon access.
• A (< 2 sec) - to step forward through the selections of OFF, ON, and SEt.
• M (< 2 sec) - to step back through the selections.
• S (2 sec) - to step back to Set SRT Alarm.
• S (< 2 sec) - to save the setting.
> If OFF or ON is saved, operation will advance to Set RDI Alarm.
> If SEt is saved, the Minutes digits will flash.
• A (< 2 sec) - to step upward through the Minute Set Points one at a time from 0: to 9: in increments of 1 minute.
• M (< 2 sec) - to step back through the Minute Set Points one at a time.
• S (2 sec) - to step back to SEt flashing.
• S (< 2 sec) - to save the Minute setting and flash the Seconds digits.
• A (hold) - to scroll upward through the Second Set Points at a rate of 8 per second from :00* to :59 in increments of 1 second.
*Starts at :10 (10 seconds minimum) when Minutes are set for 0.
• A (< 2 sec) - to step upward through the Second Set Points one at a time.
• M (< 2 sec) - to step back through the Second Set Points one at a time.
• S (2 sec) - to step back to the Minutes digits flashing.
• S (< 2 sec) - to save the min:sec setting (digits solid) and flash the graphic SEt allowing ON or OFF to be selected/saved.
Set RDI (Repeating Depth Interval) Alarm, information includes (Fig. 31):
> Graphic RDI.
> Depth interval with FT (or M) icon.
> Graphic OFF (or ON), flashing upon access.
• A (< 2 sec) - to step forward through the selections of OFF, ON, and SEt.
• M (< 2 sec) - to step back through the selections.
• S (2 sec) - to step back to Set EDT Alarm.
• S (< 2 sec) - to save the setting.
> If OFF or ON is saved, operation will advance to Set DD1 Alarm.
> If SEt is saved, the Depth digits will flash.
• A (hold) - to scroll upward through the Depth Set Points at a rate of 8 per second from 3 to 33 M (10 to 100 FT) in increments
of 3 M (1 FT).
• A (< 2 sec) - to step upward through the Set Points one at a time.
• M (< 2 sec) - to step back through the Set Points one at a time.
• S (2 sec) - to step back to SEt flashing.
• S (< 2 sec) - to save the setting (digits solid) and flash the graphic SEt allowing ON or OFF to be selected/saved.
Fig. 31 - SET RDI ALARM
Fig. 30 - SET EDT ALARM
Fig. 29 - SET SRT ALARM

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Set DD1 (Descending Depth Alarm, DD2 & DA3 similar), information includes (Fig. 32):
The Depth Alarms can only be set at progressively deeper depths with DD2 deeper than DD1 and DD3 deeper than DD2, then any
of the alarms can be set OFF or ON as needed.
> Graphic DD1.
> Depth with MAX and FT (or M) icons.
> Set Point OFF (or ON), flashing upon access.
• A (< 2 sec) - to step forward through the selections of OFF, ON, and SEt.
• M (< 2 sec) - to step back through the selections.
• S (2 sec) - to step back to Set RDI Alarm.
• S (< 2 sec) - to save the setting.
> If OFF or ON is saved, operation will advance to Set DD2 Alarm (to Set DD3 when setting DD2, then to the Set Alarms
Lead-in when setting DD3).
> If SEt is saved, the Depth digits will flash.
• A (hold) - to scroll upward through the Depth Set Points at a rate of 8 per second from 3 to 100 M (10 to 330 FT) in increments
of 1 M (1 FT).
• A (< 2 sec) - to step upward through the Set Points one at a time.
• M (< 2 sec) - to step back through the Set Points one at a time.
• S (2 sec) - to step back to SEt flashing.
• S (< 2 sec) - to save the Depth setting (digits solid) and flash the graphic SEt allowing ON or OFF to be selected/saved.
------------------------------------------------------------------------------------------------------------------------------------------------------------
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SET UTILITIES
Sequence: Lead-in >> Units >> Wet Activation >> Water Type >> Backlight Duration >> DSD >> BDSI.
• A (< 2 sec), while viewing Set Alarms Lead-in, to access Set Utilities Lead-in.
The Wet Activation feature allows you to turn the disable activation of Dive Mode during activities when you may be using Watch
features not involved with diving.
The Water Type selection adjusts Depth calibration to accommodate activities in fresh or sea/salt water.
The Backlight Duration determines how long the Backlight will be On when activated by pressing the L button.
The DSD (Dive Start Depth) feature allows you to select the Depth at which Dive Mode will be activated upon descent. Regardless
of the DSD set, every dive ends upon ascent above 0,6 M (2 FT) for the BDSI set.
The BDSI (Between Dive Surface Interval) feature allows you to select the time interval between surfacing and descending that
determines whether the descent is a new dive. Short intervals may be preferred for some activities and longer intervals for others,
thus a selection may be helpful.
At any time while entering settings -
• M (2 sec), or 2 minutes of no button action, will revert to SURF MAIN.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
Set Utilities Lead-in, information includes (Fig. 33):
> Graphics GoTo SEt U.
• S (< 2 sec) - to access Set Audible.
• A (< 2 sec) - to step forward to ID-SN.
• M (< 2 sec) - to step back to Set Alarms Lead-in.
Set Units, information includes (Fig. 34):
> Graphic UNIT.
> M and °C (FT icon and °F), flashing.
• A or M (< 2 sec) - to toggle between Imperial and Metric.
• S (2 sec) - to step back to Set Utilities Lead-in.
• S (< 2 sec) - to save the setting and access Set Wet Activation.
Set Wet Activation, information includes (Fig. 35):
> Graphics WET ACt.
> Graphic OFF (or ON), flashing.
• A or M (< 2 sec) - to toggle between OFF and ON.
• S (2 sec) - to step back to Set Units.
• S (< 2 sec) - to save the setting and access Set Water Type.
Fig. 33 - SET UTILITIES
LEAD-IN
Fig. 34 - SET UNITS
Fig. 35 - SET WET
ACTIVATION
Fig. 32 - SET DD ALARM

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Set Water Type, information includes (Fig. 36):
> Graphics TYPE and H2O.
> Graphic SEA (or FrESH), flashing upon access.
• A or M (< 2 sec) - to toggle between SEA and FRESH.
• S (2 sec) - to step back to Set Wet Activation.
• S (< 2 sec) - to save the setting and access Set Backlight Duration.
Set Backlight Duration, information includes (Fig. 37):
> Graphics GLO and durA.
> Time (min:sec) flashing upon access, with TIME icon.
• A (< 2 sec) to step upward through Set Points of 0:05, 0:10, 0:30, 1:00 (min:sec) one at a time.
• M (< 2 sec) to step back through the Set Points one at a time.
• S (2 sec) - to step back to Set Water Type.
• S (< 2 sec) to save the setting and access Set DSD.
Set DSD (Dive Start Depth), information includes (Fig. 38):
> Graphic DSD.
> Depth flashing upon access, with FT (or M) icon.
• A (< 2 sec) to step upward through the Set Points of 0,6 , 1,2 , 1,8 M (2 , 4 , 6 FT) one at a time.
• M (< 2 sec) to step back through Set Points one at a time.
• S (2 sec) - to step back to Set Backlight Duration.
• S (< 2 sec) to save the setting and access Set BDSI.
Set BDSI (Between Dive Surface Interval), information includes (Fig. 39):
> Graphic BDSI.
> Time (min:sec) flashing upon access, with SURF and TIME icon.
s
• A (hold) to scroll upward through the Set Points 8 per second from 0:01 to 1:00 (min:sec) in increments of :01 (1 sec).
• A (< 2 sec) to step upward through the Set Points one at a time.
• M (< 2 sec) to step back through the Set Points one at a time.
• S (2 sec) - to step back to Set DSD.
• S (< 2 sec) to save the setting and revert to Set Utilities Lead-in.
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SERIAL NUMBER (SN)
• A (< 2 sec), while viewing Set Utilities Lead-in, - to access the Serial Number screen.
Information includes (Fig. 40):
> Graphic SN.
> Factory programmed Serial Number (up to 6 digits).
> Firmware (operating software) revision number (e.g., graphic r1A).
• A (< 2 sec) - to step forward to Chrono Lead-in.
• M (< 2 sec) - to step back to Set Utilities Lead-in
• M (2 sec), or 2 minutes of no button action, will revert to SURF MAIN.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
This information will be required if a unit is sent to Beuchat for evaluation or service. Record it in the table
provided in the back of this manual, and retain the sales receipt.
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CHRONOGRAPH
The Chrono in FREE Mode is the same one used in Watch Mode and it carries over between modes when it is in operation.
Refer to Watch Mode (page 12) for operation and displays.
Chrono Lead-in, information includes (Fig. 41):
> Graphics GoTo Chro.
• S (< 2 sec) - to access Chrono Status.
• A (< 2 sec) - to step forward to SURF MAIN.
• M (< 2 sec) - to step back to SN.
• M (2 sec), or 2 minutes of no button action, will revert to SURF MAIN.
• L (< 2 sec) - to toggle the Backlight On/Off.
Will be On for the duration time set.
• L (2 sec), while the Backlight is On, - to reset the timer to keep it On for the full duration time set.
Fig. 39 - SET BDSI
Fig. 38 - SET DSD
Fig. 40 - SN
Fig. 41 - CHRONO
LEAD-IN
Fig. 37 - SET BACKLIGHT
DURATION
Fig. 36 - SET WATER
TYPE
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