MANTIS
User Manual
®
MANTIS DIVING COMPUTER - DESIGNED BY DIVING ENGINEERS
Welcome to SCUBAPRO dive computers and thank you for purchasing MANTIS. You are
now the owner of an extraordinary partner for your dives. This manual provides you easy
access to SCUBAPRO state of the art technology and MANTIS key features and functions.
Should you wish to know more about SCUBAPRO diving equipment, please visit our
website www.scubapro.com.
WARNING
• MANTIS has a depth rating of 120m/394ft.
• If 120m is exceeded, -- will be shown in the depth eld and decompression algorithm does not
calculate correctly.
• Diving at oxygen partial pressures higher than 1.6bar (corresponding to a depth of 67m/220ft when
breathing compressed air) is extremely dangerous and could lead to serious injury or death.
• MANTIS is delivered at deep sleep mode where the display is off. You must activate the MANTIS by
press and hold the SEL button before the rst dive. MANTIS does not start the dive mode or may
show a wrong depth value if activation is not done before the immersion.
Mantis dive instrument is compliant with the European Union directive 2014/30/EU.
Standard EN 13319: 2000
Mantis dive instrument is also compliant with the European standard EN 13319: 2000 (EN 13319: 2000 – Depth gauges
and combined depth and time measuring devices – Functional and safety requirements, tests methods).
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TABLE OF CONTENTS
1. INTRODUCTION TO MANTIS ............................................................................... 5
1.1 Battery .................................................................................................... 5
2. OPERATION MODES ............................................................................................ 6
3. MANTIS AS A WATCH ........................................................................................... 7
3.1 Clock setting functions ............................................................................ 8
3.1.1 Setting the alarm clock ............................................................. 9
3.1.2 Setting the UTC ....................................................................... 9
3.1.3 Setting the time ........................................................................ 9
3.1.4 Setting 24h or am/pm mode .................................................. 10
3.1.5 Setting the date .................................................................... 10
3.1.6 Setting the sound off (silent mode) ......................................... 10
3.1.7 Accept code protection ......................................................... 10
3.1.8 Checking the battery status ................................................... 11
3.2 Menus and functions at the surface ....................................................... 12
3.2.1 Using the stopwatch .............................................................. 13
3.2.2 Reading the altitude, barometer and temperature values ........ 14
3.2.3 Planning a dive ....................................................................... 15
3.2.4 Reading the logbook .............................................................. 17
3.2.4.1 Scuba log .................................................................18
3.2.4.2 Apnea log .................................................................19
3.2.4.3 Surface exercise logs ................................................19
4. MANTIS AS A DIVE COMPUTER ....................................................................... 20
4.1 Settings in the dive mode at surface ...................................................... 20
4.1.1 Surface interval counter .......................................................... 22
4.2 Gas settings .......................................................................................... 22
4.2.1 Set Gas 1, 2 or d ................................................................... 24
4.2.2 Enabling the CCR mode ......................................................... 25
4.2.3 Nitrox reset time ..................................................................... 25
4.2.4 Heart rate limits ...................................................................... 25
4.2.5 Desaturation reset .................................................................. 26
4.3 SCUBA settings .................................................................................... 26
4.3.1 Maximum dive depth alarm ................................................... 27
4.3.2 Maximum dive time alarm ...................................................... 27
4.3.3 Setting the Micro Bubble level ................................................ 27
4.3.4 Units ...................................................................................... 27
4.3.5 Selecting the salt (sea) or fresh water ................................... 28
4.4 Apnea settings ...................................................................................... 28
4.4.1 Setting the apnea session total depth .................................... 28
4.4.2 Setting the surface interval factor ........................................... 29
4.4.3 Setting the dual depth alarm .................................................. 29
4.4.4 Setting the depth incremental alarm ....................................... 30
4.4.5 Setting the dive time interval alarm ......................................... 30
4.4.6 Setting the surface interval alarm ............................................ 30
4.4.7 Setting the heart rate low limit ................................................ 31
4.4.8 Setting the ascent speed alarm .............................................. 31
4.5 SWIM mode .......................................................................................... 31
4.6 Algorithm selection ................................................................................ 32
4.7 Diving with MANTIS ............................................................................... 33
4.7.1 Display information ................................................................. 33
4.7.1.1 Display configuration during the dive .........................34
4.7.1.2 Skin temperature .....................................................34
4.7.1.3 Stop timer .................................................................34
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4.7.1.4 Setting bookmarks ...................................................35
4.7.1.5 Safety stop timer ......................................................35
4.7.1.6 Activating the backlight .............................................35
4.7.1.7 Diving with mb levels ................................................35
4.7.1.8 PDI stops .................................................................36
4.7.2 No-dive warning after a dive ................................................... 36
4.7.3 SOS ....................................................................................... 37
4.7.3.1 Desaturation reset .....................................................37
4.7.4 Diving with nitrox .................................................................... 37
4.8 Diving with two or more gas mixtures ................................................... 38
4.8.1 Switching gas mixture during the dive .................................... 39
4.8.2 Switching back to a gas mixture with lower oxygen concentration .... 40
4.8.3 Gas switch not carried out at the planned depth .................... 40
4.8.4 Delayed gas switch ................................................................ 40
4.8.5 Submerging below the mod after a gas switch ....................... 40
4.8.6 Diving with CCR mode ........................................................... 40
4.8.7 Enabling the CCR mode ......................................................... 41
4.8.8 Altitude diving ........................................................................ 41
4.8.8.1 Altitude and the decompression algorithm ................42
4.8.8.2 Prohibited altitude .....................................................43
4.8.8.3 Decompression dives in mountain lakes ....................43
4.8.9 Warnings and alarms ............................................................. 43
4.8.9.1 CNS O2 = 75% .........................................................44
4.8.9.2 No-Stop time = 2 minutes.........................................44
4.8.9.3 Entering decompression ...........................................44
4.8.9.4 MB LEVEL ignored ...................................................44
4.8.9.5 Ascent rate ...............................................................45
4.8.9.6 MOD/ppO2 ..............................................................45
4.8.9.7 CNS O
= 100% .......................................................46
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4.8.9.8 Missed decompression stop .....................................46
4.8.9.9 High workload ..........................................................46
4.8.9.10 MB LEVEL reduced .................................................. 47
4.8.9.11 Low battery .............................................................. 47
4.9 GAUGE mode ....................................................................................... 47
4.10 APNEA mode ........................................................................................ 48
4.11 SWIM mode .......................................................................................... 49
5. MANTIS ASSESORIES ........................................................................................ 50
5.1 HR belt .................................................................................................. 50
5.2 Nylon arm strap .................................................................................... 50
5.3 Battery compartment o-ring .................................................................. 50
5.4 Display guard ........................................................................................ 51
6. MANTIS PC INTERFACE ..................................................................................... 51
6.1 Cradle - accessory ................................................................................ 51
6.2 Introduction to Scubapro LogTRAK ....................................................... 51
6.3 Change warnings/settings of the mantis and reading the computer information .... 52
7. Taking care of mantis ......................................................................................... 52
7.1 Technical information ............................................................................. 52
7.2 Maintenance ......................................................................................... 53
7.3 Replacing the battery in MANTIS ........................................................... 53
7.4 Warranty ................................................................................................ 54
8. GLOSSARY .......................................................................................................... 55
9. Index ..................................................................................................................... 56
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MANTIS USER MANUAL
1. INTRODUCTION TO
MANTIS
MANTIS is a technologically-advanced
instrument that can accompany you
during your underwater adventures while
providing you with accurate depth, time and
decompression information. On the surface its
size makes it your ideal everyday companion.
With features such as wake-up alarm, stop
watch, barometer, altimeter and swim mode,
MANTIS can tackle almost every possible task.
The buttons allow you to initiate operating
functions, make setting changes and
access menus while on the surface. During
the dive they set bookmarks, show further
information on the computer screen and
activate the backlight.
It is time to dive into the details now. We
hope you will enjoy getting to know your
new computer and we wish you many
happy dives with MANTIS.
Your MANTIS User Manual is divided into
the following main chapters.
1 Introduction to MANTIS. This chapter
provides an overview of the MANTIS
computer and describes its operating
modes and functions when on the surface.
2 MANTIS as a watch. This chapter
describes MANTIS when it is used as a watch.
3 MANTIS as a dive computer. This
chapter describes all settings and functions
of MANTIS as a dive computer and takes
you underwater with MANTIS. It’s about
everything MANTIS can and will do to
enhance your safety and fun underwater.
4 MANTIS accessories. This chapter
briefly describes the extras that can be
purchased as additional options to get the
most of your dive computer in all diving
conditions.
5 MANTIS PC interface. This chapter is
about linking MANTIS to your PC/MAC. It
describes how to change settings, plus how
to download and manage your logbook.
6 Taking care of MANTIS. This chapter
describes how you should take care of
MANTIS after underwater adventures
and also summarizes the main technical
information of this instrument.
1.1 Battery
MANTIS uses a CR2032 battery which is
available at your Authorized SCUBAPRO
dealer. MANTIS will alert you when the
battery is approaching a critical discharge
level by displaying the battery symbol.
A steady symbol means that the battery is
low, with some reserve left. At this point the
backlight cannot be activated. If the symbol
blinks the battery level is dangerously low
and the backlight and alarm tones cannot
be activated; diving is not recommended
before replacing the battery.
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WARNING
Starting a dive when the battery symbol is
blinking can cause the computer to fail during
the dive! Replace the battery before any diving
activity if the blinking battery symbol appears.
When the ‘do not dive symbol’ appears along
with the battery symbol MANTIS cannot be used
for diving before a fresh battery is installed.
Please refer to the chapter on Checking
the battery status for details how to
manually trigger the battery level check.
WARNING
Replacing the battery requires opening the
electronic compartment of MANTIS. You must
take extreme care when performing the battery
change operation in order to ensure the water
tightness of the watch. Failing to do so will
cause the watch to ood during your next dive
and permanently ruin it. Damage to MANTIS
due to an improper battery replacement is not
covered by warranty. We strongly recommend
having the battery change operation be carried
out by your SCUBAPRO dive retailer.
See chapter Replacing the battery in
MANTIS in this manual for information on
how to replace the battery.
2. OPERATION MODES
The reference point for any description
of MANTIS as a watch is the main time of
day display. This is the display in which the
current time is shown on the middle row.
The upper row shows the day of the week
and the date. The example below shows
Thursday, 20th of March and the time is 34
minutes and 9 seconds past 11 o’clock.
The different menu modes are written at the
display like for example: “Watch set”. Each
mode may have sub functions and menus.
You can scroll between menus by pressing
+/UP or -/DOWN buttons. Note that
although Menu is written on the display,
you still have not activated the mode. By
pressing the SEL button you activate the
mode and get into the sub menus.
The modes are grouped and described in
this manual in three chapters:
1. MANTIS as a watch
2. Menus and functions at the surface
3. MANTIS as a dive computer
The following chart describes the main
menu structure.
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TIME & DATE
UP
DOWN
UP
STOP watch
function
DOWN
UP
ALTI/BARO meter
DOWN
UP
PLANner
DOWN
UP
LOG
DOWN
UP
DIVE mode
DOWN
UP
Watch Set
DOWN
ESC
ESC
ESC
ESC
SEL
SEL
SEL
SEL
Planner
pages
Logbook
pages
Dive settings
& menus
Clock settings
& menus
3. MANTIS AS A WATCH
MANTIS is more than just a watch. It
features:
• Wake-up warning function.
• Swim mode.
• Stopwatch with lap time and 72 hours
run time.
• Altimeter for tracking your excursions to
the mountains.
• Thermometer and barometer for current
weather conditions.
NOTE: Thermometer reading - when
F
worn at the wrist against the skin the
reading is inuenced by body heat.
The function of the buttons on the surface
is summarized in the table below and
explained in detail in the following sections.
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Light button, Top Left: Press = backlight
+/UP button, Top Right: +/UP = adds numerical values, scrolls up in
the menus
-/DOWN button, Bottom Right: -/DOWN = subtracts numerical values,
scrolls down in the menus
SEL/ESC button, Bottom Left: Press = select,
Press and hold = escape (return to previous
menu or cancel the setting)
3.1 Clock setting functions
By pressing the -/DOWN button once
from the main time and date display and
selecting the “SET” menu by pressing
the SEL button you will get into the clock
settings (See chart below).
WATCH SET
DOWN
DOWN
SEL
SET alarm
clock
UP
UTC
UP
SET Time
UP
SET 24h or
AM/PM
UP
SET date
UP
SET Sound
UP
CHECK
battery state
DOWN
DOWN
DOWN
DOWN
DOWN
off
DOWN
The different sub menu functions are
described in later chapters.
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3.1.1 Setting the alarm clock
By pressing the SEL button the hours of the
alarm will start blinking.
You can scroll the hours setting by pressing
+/UP or -/DOWN buttons. Pressing the
SEL button will confirm the hour setting
and start the minutes blinking. You can
scroll the minutes of the alarm setting
by pressing +/UP or -/DOWN buttons.
Pressing the SEL button will confirm the
minutes setting and start the alarm status
blinking. The alarm status setting can be
selected to either On or Off by pressing +/
UP or -/DOWN buttons. Pressing the SEL
button will confirm the alarm status setting.
NOTE: The sound off setting does not
F
affect the alarm clock. However, the
intelligent battery stretching algorithm
disables all warning tones when there
are less than 2 dots left in the battery
status display or when the battery
symbol is blinking in other displays.
3.1.2 Setting the UTC
The UTC setting will change the shown
time compared to Greenwich 0-Meridian.
This feature is practical when travelling
through different time zones.
By pressing SEL the hours will start
blinking. You may edit them with +/UP
or -/DOWN buttons in a range of +14h..13h. By pressing SEL the minutes will start
blinking and you may edit them with +/UP
or -/DOWN buttons in 15 minute steps. The
UTC setting will be confirmed by pressing
the SEL button.
3.1.3 Setting the time
In the display above the current time is
shown on the display.
By pressing the SEL button the time setting
will be activated: hours start blinking and
seconds will turn to 00. You may change
the hours with +/UP or -/DOWN buttons.
By pressing the SEL button the selection
will change to minutes and can be edited
the new time setting will be confirmed by
pressing the SEL button.
NOTE: seconds cannot be edited;
F
they always start counting from 0.
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3.1.4 Setting 24h or am/pm mode
3.1.6 Setting the sound off
(silent mode)
By pressing the SEL button the 24h or 12h
setting on the bottom row starts blinking.
You may change the setting by pressing +/
UP or -/DOWN buttons. By pressing the
SEL button the mode will be confirmed.
3.1.5 Setting the date
By pressing the SEL button the first two
digits start blinking. In 24h mode the first
digit are days, in 12h mode the month is
first. You may change them by pressing +/
UP or -/DOWN buttons. By pressing the
SEL button the next two digits start blinking
and you may change them by pressing +/
UP or -/DOWN button. Again, by pressing
the SEL buttons, the year, after the dot,
starts blinking. By pressing SEL button the
date will be confirmed.
ON/ATT/ALR/OFF
By pressing the SEL button the current
setting will start blinking at the bottom row.
By pressing +/UP or -/DOWN buttons you
may select between the normal mode (ON)
where alarm and button tones are on, or the
silent mode (OFF) where all tones are off, or
alarm mode where only alarm tones are on
(ALR), or attention mode (ATT) where alarm
and attention tones are on. The sound off
selection is protected with a code.
3.1.7 Accept code protection
When code protection is required the first
digit starts blinking. By pressing +/UP or -/
DOWN buttons the number can be changed
and by pressing the SEL button the number
will be stored.
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The protection code is: 313.
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3.1.8 Checking the battery status
WARNING
The Sound Off selection will disable all audible
dive mode alarms and warnings. This is
potentially dangerous.
NOTE: The only exception to the silent
F
mode is the alarm clock, which will
beep when activated, even if the main
setting is: sound off.
Indicator in battery
At other displays Battery status Function limitations
The battery status menu shows how much
energy is left in the CR2032 battery. A fresh
battery shows 5 dots.
MANTIS is periodically measuring the
battery status and you can manually trigger
a measurement by pressing the SEL button
in this menu.
The intelligent battery algorithm will limit
some functions towards the end of the
battery lifetime. See the table below for the
status and functions.
status display
00000 Fresh battery none
0000_ Battery ok for diving none
000__ Battery ok for diving none
00___ Battery symbol Weak battery, change
to fresh
0____ Blinking battery
symbol, no dive
symbol
change battery Blinking battery
symbol, no dive
symbol
Completely used
battery, change to
fresh
Completely used battery, change to fresh,
watch may make a
reset any time and
remain off
Backlight not
operating
Alarms and
Backlight not
operating, diving
not recommended
Diving mode not
allowed, only
watch is active.
Settings cannot be
changed (OFF)
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NOTE: Battery capacity and voltage at
F
the end of the lifetime may vary between
battery manufacturers. Generally
operation at low temperatures decreases
battery capacity. Therefore, when the
battery indicator drops below 3 dots,
change the battery to a fresh one before
making any new dives.
WARNING
When battery is critically low, the watch and
dive settings are disabled (menu off).
3.2 Menus and functions at
the surface
By simply pressing +/UP or -/DOWN
buttons from the time of day display you
can scroll through the various menus in
MANTIS. The diagram below shows the
sequence of the menus. Note that when
you first reach a menu, you are not yet
inside it, you must press the SEL button to
enter the actual menu.
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TIME & DATE
UP
3.2.1 Using the stopwatch
DOWN
UP
STOP watch function
DOWN
UP
ALTI/BARO
meter
DOWN
UP
PLANner
DOWN
UP
LOG
DOWN
UP
DIVE mode
DOWN
UP
Watch Set
DOWN
ESC
ESC
ESC
ESC
SEL
SEL
SEL
SEL
Planner
pages
Logbook
pages
Dive settings
& menus
Clock settings
& menus
By pressing SEL button the stopwatch
will be activated. In the first display the
stopwatch shows the status, which can be
stop, run or lap. By activating the stopwatch
first the time display will be as shown below.
Press +/UP button and the stopwatch
starts counting and shows actual state
which is: run. By pressing +/UP button
again the stop watch stops counting and
shows actual state: stop. The counted time
will stay on the display.
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Stopwatch will reset the counted time
when +/UP button is pressed and held.
The laps can be marked by pressing -/
DOWN button when stopwatch is counting.
By doing so the display will freeze for 5
seconds and MANTIS shows the lap time.
Counting will continue automatically and
the lap counter will show the number of
laps at the bottom of the screen.
By pressing SEL button you can exit the
stopwatch and return to the Stopwatch
menu.
NOTE: You can leave the stopwatch
F
actively counting or you can leave the
stopped time on the display. The status
will be stored in memory allowing you
to continue from the same display at a
future time.
NOTE: Stopwatch has a 30 minute
F
timeout before reverting to normal watch
display. However, the timeout does
not stop the stopwatch function. You
can return to the stopwatch menu and
continue with the time taking task just as
you did before the timeout happened.
3.2.2 Reading the altitude, barometer
and temperature values
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When stopwatch is stopped you can
review your lap times from the memory by
pressing -/DOWN button.
In the altitude menu the current altitude is
calculated from the barometric pressure
and is shown on the middle row. The
current temperature is shown on the
bottom row. The current altitude class is
shown on the top row.
NOTE: barometric pressure is a variable,
F
changing with weather and atmospheric
pressure at that particular elevation. The
Dive algorithm uses Altitude Classes
which are directly derived from the
barometric pressure. Altitude is counted
from the current barometric pressure and
it is therefore a relative value.
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By press and hold the -/DOWN button the
display changes and shows on the bottom
row the barometric pressure at sea level.
Or, press and hold the +/UP button and
you get the barometric pressure in mbar
at current altitude. This Barometer feature
allows you to foresee the approaching
weather in the upcoming hours if your
altitude remains the same.
3.2.3 Planning a dive
PLAN
UP
DOWN
SURFACE INTERVAL
SEL
DOWN
UP
DEPTH
(no deco time )
DOWN
UP
DECO TIME
The altitude can be adjusted when current
elevation is known by pressing the SEL
button. The altitude value will start blinking.
By pressing +/UP or -/DOWN buttons
the value can be adjusted in 10m/50feet
increments. Adjusting the altitude elevation
has no effect on the Altitude Class.
NOTE: Different combinations m&˚C,
F
Ft&˚C, m&˚F or Ft&˚F can be selected
from the Dive mode menu: Units.
15
You can plan your next dive based on your
body’s nitrogen saturation. The planner is
also using the following information.
1. Selected oxygen concentration.
2. Enabled gases (multi gas diving).
3. Selected water type.
4. Selected microbubble level.
5. Water temperature of the most recent
dive.
6. Altitude range.
7. Status of saturation at the time when the
planner is started.
8. Observance of the prescribed ascent
rates.
NOTE: When MANTIS is in GAUGE or
F
APNEA modes the Planner is disabled
and this is indicated by showing OFF in
this menu.
By pressing the +/UP or -/DOWN buttons
you can set the time in 15 minutes
increments. The prohibited altitude is
shown on the top row. By increasing the
surface interval the allowed limit will reach
maximum (level 4). To learn more about
altitude diving with MANTIS refer to the
chapter Altitude diving.
In case MANTIS is displaying the no-dive
warning, the duration of the warning itself is
displayed as recommended surface interval
for planning purposes (rounded up to the
nearest 15-minute increment).
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By pressing the SEL button in the planner
menu you will get into the Planner directly
or an after repetitive dive to the surface
interval setting.
In case you plan to make a second dive
during the desaturation phase, you must
start the Planner by inputting the time you
would still stay at the surface.
When the surface interval is given or if you
have no remaining desaturation left, the
planner will start blinking the depth. By
pressing +/UP or -/DOWN you can set the
depth in 3m/10feet increments.
Minimum depth for planning is 9m/30feet.
The no decompression dive time for given
depth is shown on the middle row.
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The gas O2 content is shown on the bottom
row until the 1% CNS for the planned depth
is reached. After that the planner shows the
CNS% on the bottom row.
The planner allows only depths according
to maximum ppO2. The gas oxygen content
and maximum ppO2 settings are given on
the dive set menu (described in chapter
Set Gas 1, 2 or d).
WARNING
if you have set the ppO2max to OFF, the
planner will allow depths up to maximum of
120m/394ft. Air/nitrox dives with high ppO2
are extremely dangerous and can lead to fatal
injury. Be aware that exposures to high ppO2
will lead the CNS clock value to exceed the
maximum recommended 100%.
you may change the time in 1 minute
increments. Decompression time and total
ascent time are shown on the middle row.
By pressing the SEL button the planner will
exit and you will get back to the main menu.
3.2.4 Reading the logbook
You can check the main information about
your dives from the Logbook of the MANTIS.
The first page shown is the dive history.
NOTE: If MOD is shallower than
F
9m/30feet, planning is not allowed
and information LO MOD is shown.
By pressing SEL for planned depth the
dive time starts blinking. The start point
(minimum now) is the no decompression
time. By pressing +/UP or -/DOWN buttons
On the display above, the MANTIS has
38 dives and a total of 43 hours of diving
stored in the Logbook, with the deepest
dive at 32.2 meters and the longest dive
time of 63 minutes.
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