Apeks Quantum User manual
QUANTUM
Nitrox Dive Computer
User's Guide
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Quantum Owner's Manual
Contents
FOR YOUR SAFETY..................................................................5
INTRODUCTION.....................................................................7
SECTION 1: Using the Quantum on the Surface .......................8
The Push Buttons ...................................................................................................8
The Mode Button ............................................................................................. 8
Time Display Mode (pre-dive).............................................................................10
Backlight ...................................................................................................... 12
Low Battery Indicator .................................................................................... 12
Time Display Mode (post-dive) ...........................................................................13
Wait-to-y Guidelines ...........................................................................................14
Dive Settings Mode...............................................................................................15
Plan Mode .............................................................................................................19
Logbook Mode .....................................................................................................21
Logbook Page 1.............................................................................................. 23
Logbook Page 2.............................................................................................. 24
Recorded violations......................................................................................... 24
Prole Mode .........................................................................................................25
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Quantum Owner's Manual
PC Transfer Mode.................................................................................................27
Set Time Mode .....................................................................................................28
Change Units of Measure.....................................................................................30
SECTION 2: Diving with the Quantum ....................................31
Pre-Dive Checklist.................................................................................................31
Automatic Activation............................................................................................32
Testing the water contacts ................................................................................ 32
No-decompression Dive Mode.............................................................................33
Primary Display............................................................................................. 33
Alternate Display............................................................................................ 35
Safety Stop..................................................................................................... 36
Switching Nitrox Mixes ................................................................................... 37
Decompression Dive Mode ..................................................................................38
Summary of Warnings and Alarms ......................................................................40
FO2 Warning................................................................................................ 40
Fast Ascent Warning ..................................................................................... 40
PO2 Warning .............................................................................................. 41
Decompression Stop Violation Warning.............................................................. 41
Oxygen Limit Warning ................................................................................... 42
Out-of-Range Warning ................................................................................... 42
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Quantum Owner's Manual
Gage Mode............................................................................................................43
Primary display ............................................................................................. 43
Alternate display ............................................................................................ 44
System Reset Button .............................................................................................45
CARE & MAINTENANCE........................................................46
Care before the dive .............................................................................................46
Care during the dive.............................................................................................46
Care after the dive ................................................................................................47
Changing the Battery ...........................................................................................47
Battery Removal and Replacement .................................................................... 48
TECHNICAL SPECIFICATIONS.............................................52
Accuracy ................................................................................................................52
Measurement Range.............................................................................................52
Nitrox Settings ......................................................................................................53
Operational Limits ...............................................................................................53
Battery ...................................................................................................................53
Physical Dimensions .............................................................................................54
Algorithm..............................................................................................................54
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Quantum Owner's Manual
FOR YOUR SAFETY
All warnings and cautions are identified with the triangle symbol. Whenever you see
a warning or a caution, read it carefully, as it may protect you from serious injury or
damage to the product. Read the manual in its entirety before attempting to use the
Quantum computer.
WARNING: Decompression sickness (aka, “the bends”) is an inherent
risk of SCUBA diving. Even if you properly follow all the instructions in
this manual, and dive within the recreational limits of SCUBA diving,
you still run the risk of getting decompression sickness, or some other
inherent risk of SCUBA diving. Unless you are fully aware of these risks
and are willing to personally accept and assume responsibility for those
risks, do not use the Quantum dive computer
The Quantum, or any other dive computer, does not actually monitor changes that
occur in your body as you dive. Rather, it is performing calculations using algo-
rithms developed by leading decompression experts and backed by years of research
and thousands of dives. However, these algorithms cannot account for factors like
dehydration, fatigue, obesity, or poor physical conditioning. Therefore, always leave
a comfortable safety margin in respect to no-decompression time and ascent speed.
The computer is designed to ASSIST you in making a dive, not to CONTROL your
dive.
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Quantum Owner's Manual
WARNING: Using the Quantum will not prevent decompression sickness,
but using it sensibly reduces this risk. You must accept that there is no
device or procedure that will totally prevent the possibility of a decom-
pression accident.
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Quantum Owner's Manual
INTRODUCTION
Congratulations on the purchase of your new Quantum dive computer. As with all
diving equipment, it is important to understand the features and functions of the
Quantum. Before using the computer, read this manual in its entirety. Contained
within this manual are illustrations to aid you in understanding the computer.
Section 1 instructs you on how to navigate through the Quantum’s surface modes.
Section 2 describes all the underwater displays and functions while diving with the
Quantum. Lastly, Section 3 covers care & maintenance.
This manual will clearly and concisely instruct you on the use of the Quantum.
However, if you have any questions on the material contained in this manual, please
contact your nearest authorized dealer.
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Quantum Owner's Manual
SECTION 1
Using the Quantum on the Surface
The Push Buttons
The Quantum has three buttons that allow
you to access modes, change settings and
switch displays. Throughout this manual,
the buttons will be referred to as MODE, A,
and B (see figure 1). The detailed function
of each button is explained throughout this
manual.
The Mode Button
All the surface functions are accessed by
pressing the MODE button. The Quantum
has seven surface modes: TIME (time of day
display), DIVE (dive settings), PLAN (plan
mode), LOG (logbook memory), PROF
(dive profile memory), PC (PC download)
and SET (time and date settings).
AB
MODE
Figure 1. Push Buttons
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Quantum Owner's Manual
Pressing the MODE button scrolls through the seven modes. As you scroll through
the modes, the name of each mode is displayed at the bottom of the screen (see
figure 2)
ð ð ð ð ð ð
Figure 2.
Mode Names
In this section, each mode will be explained in the order it appears as shown in
figure 2.
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Quantum Owner's Manual
Time Display Mode (pre-dive)
The Quantum’s default mode is the Time
Display Mode (figure 3). The computer
always returns to the time display after
making a dive or exiting from one of the
other modes, such as Plan Mode or Log
Mode. If there is no button activity for
several minutes while in another mode, the
computer will automatically exit back to the
time display.
a. Time of day: Displayed in 12-hour
or 24-hour format. The 24-hour
format does not use AM and PM. For
example, 15:45 is the same as 3:45 PM.
Selecting the 12- or 24-hour format is
explained on page 29.
b. Seconds: Seconds are displayed to the
right of hours:minutes
c. Date: Displayed in month-day format.
Figure 3.
Time Display Mode
ab
c
d
e
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