Suunto D4f User's Guide
SUUNTO D4F
USER GUIDE
2017-02-02
1 Safety ................................................................................................ 4
2 Getting started ................................................................................. 8
2.1 Display states and views .......................................................... 8
2.2 Set up ........................................................................................ 8
2.3 Icons .......................................................................................... 9
3 Features .......................................................................................... 11
3.1 Activation and pre-checks ...................................................... 11
3.2 Alarms, warnings and notifications ...................................... 12
3.3 Apnea timer ............................................................................ 14
3.4 Backlight ................................................................................. 16
3.5 Battery indicators ................................................................... 17
3.6 Calendar clock ........................................................................ 17
3.6.1 Time ................................................................................ 18
3.6.2 Date ................................................................................ 18
3.6.3 Units ................................................................................ 18
3.6.4 Dual time ........................................................................ 19
3.6.5 Alarm clock ..................................................................... 19
3.7 Display contrast ...................................................................... 20
3.8 Depth alarm ............................................................................ 20
3.9 Dive history ............................................................................. 21
3.9.1 Dive numbering .............................................................. 23
3.10 Dive modes ........................................................................... 24
3.10.1 Free mode ..................................................................... 25
3.11 Dive time alarm .................................................................... 26
3.12 Sample rate ........................................................................... 27
3.13 Stopwatch ............................................................................. 27
3.14 Surface and no-fly time ........................................................ 28
3.15 Tones ..................................................................................... 30
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3.16 Water contact ....................................................................... 31
4 Care and support ............................................................................ 32
4.1 Handling guidelines ............................................................... 32
4.2 Water resistance ..................................................................... 33
4.3 Battery replacement .............................................................. 34
5 Reference ........................................................................................ 35
5.1 Technical specifications .......................................................... 35
5.2 Compliance ............................................................................. 36
5.2.1 CE EMC ............................................................................ 36
5.2.2 EN 13319 ......................................................................... 37
5.3 Trademark .............................................................................. 37
5.4 Patent notice .......................................................................... 37
5.5 International Limited Warranty ............................................ 37
5.6 Copyright ................................................................................ 40
Index .................................................................................................. 41
3
1 SAFETY
Types of safety precautions
WARNING: - is used in connection with a procedure or situation
that may result in serious injury or death.
CAUTION: - is used in connection with a procedure or situation
that will result in damage to the product.
NOTE: - is used to emphasize important information.
TIP: - is used for extra tips on how to utilize the features and
functions of the device.
Before you dive
Make sure that you fully understand the use, displays and
limitations of your dive instruments. If you have any questions
about this manual or the dive computer, contact your Suunto dealer
before diving with the dive computer. Always remember that YOU
ARE RESPONSIBLE FOR YOUR OWN SAFETY!
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Safety precautions
WARNING: ONLY TRAINED DIVERS SHOULD USE A DIVE
COMPUTER! Insufficient training for any kind of diving may cause a
diver to commit errors that may lead to serious injury or death.
WARNING: You must read the printed quick guide and online
user guide for your dive computer. Failure to do so may lead to
improper use, serious injury or death.
WARNING: THERE IS ALWAYS A RISK OF DECOMPRESSION
SICKNESS (DCS)! An individual’s physiological make up can vary
from day to day. The dive computer cannot account for these
variations. You are strongly advised to remain well within the
exposure limits provided by the instrument to minimize the risk of
DCS. As an added measure of safety, you should consult a physician
regarding your fitness before diving.
WARNING: If you have a pacemaker, we recommend you do not
dive. Diving creates physical stresses on the body which may not be
suitable for pacemakers.
WARNING:
using this device. The inductive frequency used by the device may
interfere with pacemakers.
If you have a pacemaker, consult a doctor before
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WARNING: Allergic reactions or skin irritations may occur when
product is in contact with skin, even though our products comply
with industry standards. In such event, stop use immediately and
consult a doctor.
WARNING: Not for professional use! Suunto dive computers are
intended for recreational use only. The demands of commercial or
professional diving may expose the diver to depths and conditions
that tend to increase the risk of decompression sickness (DCS).
Therefore, Suunto strongly recommends that the device not be used
for any commercial or professional diving activities.
WARNING:
USE BACKUP INSTRUMENTS! Ensure that you use
backup instrumentation, including a depth gauge and a timer or
watch.
WARNING: For safety reasons, you should never dive alone. Dive
with a designated buddy. You should also stay with others for an
extended time after a dive as the onset of possible DCS may be
delayed or triggered by surface activities.
WARNING:
PERFORM PRE-CHECKS! Always check that your dive
computer is functioning properly before diving. Check that the
display is working, the battery level is OK, and so forth.
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WARNING: Check your dive computer regularly during a dive. If
there is any apparent malfunction, abort the dive immediately and
safely return to the surface.
WARNING: DO NOT EXPOSE ANY PART OF YOUR DIVE
COMPUTER TO ANY GAS MIX CONTAINING MORE THAN 40%
OXYGEN! Enriched air with greater oxygen content presents a risk
of fire or explosion and serious injury or death.
WARNING: Do not use Suunto USB Cable in areas where
flammable gases are present. Doing so may cause an explosion.
WARNING: Do not disassemble or remodel Suunto USB Cable in
any way. Doing so may cause an electric shock or fire.
WARNING:
Do not use Suunto USB cable if cable or parts are
damaged.
CAUTION: DO NOT allow the connector pins of the USB cable to
touch any conductive surface. This may short circuit the cable,
making it unusable.
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2 GETTING STARTED
DIVE MEM
12:00
1.12
TH
12:00
1.12
TH
2.1 Display states and views
Suunto D4f has three main modes: TIME, DIVE and MEMORY.
Change modes by pressing [MODE].
Unless DIVE mode is turned off, Suunto D4f automatically switches
to DIVE mode if you are more than 1.2 m (4 ft) under water.
Time and dive modes have different views in the bottom row which
you can scroll through with [DOWN] and [UP].
2.2 Set up
To get the most out of your Suunto D4f, take some time to read this
manual and familiarize yourself with the modes and settings. Make
absolutely sure you have it set up as you want before getting into
the water.
To get started:
1. Wake up the device by keeping any button pressed until the
display turns on.
2.
Keep [DOWN] pressed to enter General Settings.
8
3. Set time. See
3.
2.
1.
4.
5.
4. Set date. See
5. Set units. See
6. Press [MODE] to exit settings.
The default dive mode is Free. For more information on dive modes,
see
3.10 Dive modes
3.6.1 Time
3.6.2 Date
3.6.3 Units
.
.
.
.
2.3 Icons
Suunto D4f uses the following icons:
Icon Description
1 Daily alarm
2 Dive alarm
9
Icon Description
3 No-fly
4 Low battery
5 Active water contact
10
3 FEATURES
12:00
1.12
TH
DIVE
Free
Battery
OK
3.1 Activation and pre-checks
Unless the dive mode turned off, the dive mode activates
automatically when you dive deeper than 1.2 m (4 ft). However, you
should switch to dive mode before diving to check battery
condition, the display and so on.
Each time your Suunto D4f enters dive mode, a series of automatic
checks are performed. All graphical display elements are turned ON,
and the backlight and the beep are activated. Then the battery level
is checked.
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Before leaving on a dive trip, it is highly recommended that you
switch to dive mode to make sure everything is functioning
properly.
After the automatic checks, Suunto D4f enters surface mode. At this
point, you should perform your manual checks before entering the
water.
Ensure that:
1. Suunto D4f is in the correct mode and provides complete
displays.
2. Unit system is correct.
3. Correct temperature and depth are shown.
4. The alarm beeps.
3.2 Alarms, warnings and notifications
Suunto D4f has audible and visual alarms designed to let you know
when important limits or presets are being reached.
The one audible alarm type indicating low priority:
Alarm type Sound pattern Duration
Low priority
In addition, there are two audible guidance notifications:
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0.8 s sound + 3.2 s
break
Instructional
beep
Ascending Start ascending
Descending Start descending
Suunto D4f displays information during the alarm breaks in order to
save battery life.
Low priority alarms:
Alarm type Alarm reason
Low priority alarm,
repeated twice.
Maximum depth value
blinks
Low priority alarm,
repeated twice; dive time
value blinks
Low priority alarm.
Maximum depth value
blinks.
Sound pattern Interpretation
Defined maximum depth or the
maximum depth of the device
exceeded. Acknowledge the alarm by
pressing any button.
Defined dive time exceeded.
Acknowledge the alarm by pressing
any button.
Defined depth reached. Acknowledge
the alarm by pressing any button.
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