DiveNav Nitroxbuddy2 Manuale utente

SMART Oxygen Analyzer

User Manual

TABLE OF CONTENTS

1WELCOME......................................................................................................................3

2NITROXBUDDY2 OVERVIEW ........................................................................................3

3WARNINGS.....................................................................................................................3

4BEFORE FIRST USE......................................................................................................3

5QUICK GUIDE.................................................................................................................3

6SETTINGS.......................................................................................................................4

6.1 BUTTON............................................................................................................................4

6.2 DISPLAY ...........................................................................................................................4

6.3 MENUS NAVIGATION..........................................................................................................4

7OXYGEN SENSOR .........................................................................................................5

7.1 O2 SENSOR CALIBRATION .................................................................................................5

7.2 O2 SENSOR REPLACEMENT...............................................................................................5

8BATTERY........................................................................................................................6

9WARRANTY....................................................................................................................6

9.1 LIMITATION OF LIABILITY....................................................................................................6

9.2 EXCLUSIONS AND LIMITATIONS ..........................................................................................6

9.3 REMEDY ...........................................................................................................................6

9.4 WARRANTY DISCLAIMER....................................................................................................6

9.5 OBTAINING WARRANTY SERVICE .......................................................................................7

10 FCC.................................................................................................................................7

10.1 FCC COMPLIANCE STATEMENT..........................................................................................7

10.1 FCC CAUTION...................................................................................................................7

11 COPYRIGHT NOTICE.....................................................................................................7

1 WELCOME

Thank you for purchasing Nitroxbuddy2, the world first

SMART Oxygen Analyzer specifically designed for Scuba

divers.

You can use Nitroxbuddy2 either as a stand-alone

device or connected to your smartphone via Bluetooth.

When you use Nitroxbuddy2 together with the My

Nitroxbuddy App you can analyze your scuba tanks using

your smartphone or tablet. You can also save logs of your

analysis and add to them useful information such as

images, tank info, fill cost, and dive operator.

You can also use the My Nitroxbuddy App to determine

the Maximum Operating Depth and the Equivalent Air

Depth. Check on our website how to get the My Nitroxbuddy

app.

2 NITROXBUDDY2 OVERVIEW

Nitroxbuddy2 can analyze gasses with Oxygen content

from 0.3% to 99.9%.

Nitroxbuddy2 features a user rechargeable Li-Ion

battery, a Dot-matrix LCD display and a Bluetooth low

energy transceiver so it can be programmed and/or

controlled with a smartphone or a tablet.

The Nitroxbuddy2 housing includes an integrated tank

adapter so it can be used to analyze a gas directly from a

SCUBA tank. Additionally DiveNav offers a low pressure BC

adapter accessory that mounts directly on the housing.

3 WARNINGS

WARNING: Scuba Diving is a dangerous activity.

Diving with an incorrect breathing gas mix could lead to

serious personal injury and even death. Make sure you

know how to properly calibrate and use your

Nitroxbuddy2. Read and follow the instructions

contained in this manual.

WARNING: Nitroxbuddy2 includes an Oxygen

sensor that must be calibrated before each use. An

improper calibration may result in the use of an

incorrect breathing gas mix, which could lead to

serious personal injury and even death.

WARNING: Do not use Nitroxbuddy2 if you are not

Nitrox certified.

WARNING: Do not use Nitroxbuddy2 if it is not

calibrated.

WARNING: Keep Nitroxbuddy2 away from heat

sources.

WARNING: Do not expose Nitroxbuddy2 to direct

sunlight.

WARNING: Do not place Nitroxbuddy2 under heavy

object such as scuba tanks.

WARNING: Store Nitroxbuddy2 in a dry place.

WARNING: Do not immerse Nitroxbuddy2

underwater.

WARNING: Nitroxbuddy2 includes an

electrochemical sensor containing potassium

hydroxide which can cause burns if it comes in contact

with eyes, skin and other body parts. Dispose of

sensors according to local regulations.

WARNING: Nitroxbuddy2 is designed for use at

atmospheric pressures only. It is not designed for use

in a hyperbaric chamber. Use of Nitroxbuddy2 in a

hyperbaric chamber will result in incorrect readings and

may damage the unit.

4 BEFORE FIRST USE

When you unpack your Nitroxbuddy2 make sure you

have received all the accessories; if you have ordered a

basic Nitroxbuddy2 you should have received also an USB

charging cable. If you have ordered a Nitroxbuddy2

DELUXE, in addition to the USB cable you should have also

received a carrying case and the Low Pressure Inflator

adapter. Please note that the carrying case is NOT

waterproof.

Before you use your Nitroxbuddy2 for the first time make

sure that it has not been damaged during shipping or that

internal components did not came loose. First check

Nitroxbuddy2 for any sign of damage then gently shake it

and listen for any rattling sound.

Now turn ON your Nitroxbuddy2 by pushing the

activation button and check for the battery symbol to be full.

If not, place Nitroxbuddy2 under charge for a couple of

hours.

5 QUICK GUIDE

To turn ON your Nitroxbuddy2 just push the activation

button; Nitroxbuddy2 will first show a welcome screen and

then, if there are no errors or warnings conditions, will enter

the main screen.

See the SETTINGS section for more details on errors or

warnings conditions and the various operating screens

supported by Nitroxbuddy2.

There is no need to turn OFF your Nitroxbuddy2 as it will

automatically go to sleep after a couple of minutes. You can

program the sleep time using the My Nitroxbuddy app.

The Oxygen sensor calibration lasts only few hours, so,

before you can use your Nitroxbuddy2 you must calibrate its

Oxygen sensor. In fact, it is good practice to calibrate the

Oxygen sensor before each use.

With Nitroxbuddy2 you can perform an Oxygen sensor

calibration either with the stand-alone unit or with the

assistance of a smartphone.

The stand-alone, manual Oxygen calibration is limited

to air, it is time based and it takes 1 minute while the

smartphone assisted Oxygen calibration has more flexibility;

as an example, using the My Nitroxbuddy app you can

calibrate the Oxygen sensor using any single reference gas

or you could even perform a 2-point calibration using two

reference gasses. See the My Nitroxbuddy app tutorial on

www.divecomputertraining.com for more information.

To perform a manual Oxygen sensor calibration with the

stand-alone unit, first turn the unit ON by pushing the

activation button, then, once Nitroxbuddy2 is in the main

screen, HOLD the button for 2 or more seconds to enter the

main settings screen. From there, push the button once for

about 1 second to select O2 CAL and then HOLD the button

to enter the O2 calibration screen.

During an Oxygen sensor calibration it is very important

to expose Nitroxbuddy2 to a known source of gas flowing at

a constant rate. If you plan to perform an Oxygen sensor

calibration by exposing Nitroxbuddy2 to ambient air

MAKE SURE Nitroxbuddy2 acclimates for at least 5

minutes as the gas flow within the device is reduced

and a shorter period might produce incorrect results.

Now, position your Nitroxbuddy2 in front of the valve of a

scuba tank containing air and open the tank valve slowly so

to limit the gas flow to few liters per minute. If you have

ordered the Low Pressure Inflator adapter then you can

connet your Nitroxbuddy2 directly to the low pressure hose.

Once you are ready PUSH the activation button to start the

Oxygen sensor calibration.

As mentioned above, the stand-alone, manual Oxygen

calibration is limited to air, it is time based and it takes 1

minute.

Now that Nitroxbuddy2 is calibrated, go ahead and use

it; if the unit is asleep turn it ON by pushing the activation

button, then, once Nitroxbuddy2 shows the main screen,

position your Nitroxbuddy2 in front of the valve of the scuba

cylinder containing the breathing gas you want to analyze

and open the tank valve slowly so to limit the gas flow to few

liters per minute.

Hold steady and after few seconds you will see the

value of Oxygen updating on the display. We recommend to

hold the analyzer in position for about 60 seconds.

Once the analysis is completed you have the option to

hold the results on the screen for about 60 seconds; to do

so, just push the button until you see the letter “H” next to

O2 on the top of the display.

6 SETTINGS

6.1 Button

Nitroxbuddy2 ‘s single button has two modes: PUSH or

HOLD.

PUSH is when you push the button for about one

second and then you release it.

HOLD is when you push the button for more than 2

seconds and then you release it.

For multiple pushes, like when navigating a sub-menu,

you will need to wait about one second between

consecutive pushes.

6.2 Display

Nitroxbuddy2 is equipped with a Dot-Matrix LCD display

with user programmable backlight; you can program the

intensity of the backlight and its duration.

The image below shows the Normal Operating Mode

screen.

The bluetooth symbol could be either OFF, ON or

flashing. When it is flashing it means that Nitroxbuddy2 is

advertising its presence and it is ready to be connected to a

smartphone equipped with the My Nitroxbuddy app.

If the bluetooth symbol is always ON it means that

Nitroxbuddy2 is actually connected to a smartphone.

If the bluetooth symbol is OFF it means that the radio is

sleeping.

To awake the bluetooth radio just PUSH the activation

button and the bluetooth symbol will begin to flash and will

continue to do so for about 2 minutes. After that period that

bluetooth radio will go back to sleep.

6.3 Menus Navigation

The navigation among the various menus is done via a

combination of HOLD and PUSH. In general a HOLD enters

a sub-menu while a PUSH moves the cursor to the next

item in the menu.

To enter the Main Settings menu from the Normal

Operating Mode just HOLD the button.

Please note that the stand-alone settings are accessible

only when Nitroxbuddy2 is NOT connected to a

smartphone.

If you try to access the Main

Settings menu while the analyzer is

connected to a smartphone, the

analyzer will display a warning screen

and will give you the option to

disconnect from the smartphone.

This image on the right shows the

Main Settings menu.

This menu contains 5 sub-menus: BACK, O2 CAL,

SENSOR, LIGHT and DATE.

To access a sub-menu first position the > pointer on the

line you want to select by as many PUSH as required then

enter the sub-menu by a HOLD.

If you HOLD when BACK is selected you will go back to

the previous menu. In the case of the image above you will

go back to the Normal Operating Mode.

The S symbol on the top row indicates that you are in

the settings operating mode.

The O2 CAL sub-menu allows you to perform an

Oxygen sensor calibration.

The SENSOR sub-menu allows you to access settings

for the Oxygen sensor.

The LIGHT sub-menu allows you to program intensity

and duration of the backlight.

The DATE sensor allows you to program date and time.

Please note that the settings available in stand-alone

mode are a sub-set of the full set of settings available with

the My Nitroxbuddy app.

See below the top level view of Nitroxbuddy2 menus.

7 OXYGEN SENSOR

Nitroxbuddy2 comes equipped with an electrochemical

Oxygen sensor. The life of an Oxygen sensor is difficult to

estimate as it might be affected by several factors such as

usage, exposure to a gas with high content of Oxygen,

temperature and humidity.

Also, an Oxygen sensor does not die immediately but

slowly degrades over time.

We recommend to replace the factory installed Oxygen

sensor every 12 months. But, if you are in the middle of a

dive trip you can simply extend the life of the O2 sensor by

simulating a replacement either in stand-alone mode or via

the My Nitroxbuddy app.

Please note that it is YOUR responsibility to set the

sensor life correctly. The analyzer only provides you a

reminder but it has absolutely no knowledge if the lifetime

you entered is correct for the O2 sensor you are using.

7.1 O2 Sensor Calibration

As indicated earlier, with Nitroxbuddy2 you can perform

an Oxygen sensor calibration either with the stand-alone

unit or with the assistance of a smartphone.

To calibrate the Oxygen sensor

while in stand-alone mode, first turn

the unit ON.

Then, while the unit is in the

Normal Operating Mode, HOLD the

button and enter the Main Settings

menu.

Now, PUSH the button to position

the pointer on the O2 CAL sub-menu

as per image on the right.

Now, HOLD the button to enter

the Oxygen Sensor calibration sub-

menu show in the image on the left.

As indicated earlier, HOLD

enters the sub-menu selected by the

pointer while a PUSH moves to the

next line down. In this specific case,

HOLD will go back to the previous

menu while PUSH will start the

calibration of the Oxygen sensor.

During an Oxygen sensor calibration it is very important

to expose Nitroxbuddy2 to a known source of gas flowing at

a constant rate.

WARNING: If you plan to perform an Oxygen sensor

calibration by exposing Nitroxbuddy2 to ambient air

MAKE SURE Nitroxbuddy2 acclimates for at least 5

minutes as the gas flow within the device is reduced

and a shorter period might produce incorrect results.

Now, position your Nitroxbuddy2 in front of the valve of a

scuba tank containing air and open the tank valve slowly so

to limit the gas flow to few liters per minute. If you have

ordered the Low Pressure Inflator adapter then you can

connect your Nitroxbuddy2 directly to the low pressure

hose.

Once you are ready PUSH the activation button to start

the Oxygen sensor calibration and Nitroxbuddy2 will

alternate the 2 screens below until the O2 calibration is

completed.

As mentioned above, the stand-alone, manual Oxygen

calibration is limited to air, it is time based and it takes about

one minute.

7.2 O2 Sensor Replacement

In order to replace the Oxygen sensor you will need first

to open Nitroxbuddy2 by removing the 3 screws on the back

of the unit and the large O-ring on the tank adapter.

Then disconnect the molex connector from the old O2

sensor and connect it to the new one.

Make sure you also install on the

new O2 sensor the 2 extra O-rings that

were previously mounted on the old O2

sensor as they are needed to keep the

sensor in place inside the enclosure.

Once you are done, go the Main

Settings menu and PUSH the button to

position the pointer on the SENSOR

sub-menu.

Then HOLD the button to enter the SENSOR sub-menu.

Now scroll down to select the

CHANGE sub-menu and enter it.

Now, PUSH the button to confirm

that you have replaced the Oxygen

sensor and Nitroxbuddy2 will

acknowledge it and turn off after a few

seconds.

Please note that when you replace the Oxygen sensor

while in stand-alone mode, Nitroxbuddy2 will automatically

assign to the O2 sensor a lifetime of 12 months.

WARNING: the Oxygen sensor contains chemicals

which can cause burns if they come in contact with

eyes, skin and other body parts. Dispose of the Oxygen

sensor according to local regulations.

8 BATTERY

Nitroxbuddy2 is equipped with a user replaceable LIR

10440 AAA 3.7V rechargeable battery that can be easily

recharged using the provided USB cable. We strongly

recommend you keep the battery properly charged all times.

WARNING: If you do not keep the battery properly

charged the battery might die off and you might not be

able to recharge it all.

WARNING: If you let the battery become very empty

or even die, it might take several hours to recharge it.

9 WARRANTY

DiveNav, Inc. (the “Company”) warranty obligations for

Nitroxbuddy2 (the “Product”) are limited to the terms set

forth in this document as well as those set forth in the

Warranty section of the company website.

Company warrants the Product against substantial

defects in material and workmanship under normal use for a

period of one (1) year from the date of original purchase

(the “Limited Warranty”).

This Limited Warranty is non-transferable and covers

only the original purchaser.

An original or copy of the sales receipt from the original

sales retailer or Company website is required to validate the

warranty coverage.

This Limited Warranty does not cover the battery and

products purchased through non-authorized dealers.

Warranty claims must be made directly to the Company.

9.1 Limitation of Liability

IN NO EVENT SHALL COMPANY, NOR ITS

AFFILIATES, NOR ITS EMPLOYEES, OFFICERS,

DIRECTORS, AGENTS, CONTRACTORS,

DISTRIBUTORS, SUPPLIERS OR ASSIGNS (THE

“RELEASED PARTIES”) BE LIABLE TO YOU OR ANY

THIRD PARTY FOR ANY INDIRECT, INCIDENTAL,

CONSEQUENTIAL, SPECIAL, EXEMPLARY OR PUNITIVE

DAMAGE ARISING OUT OF THE USE OF THE

PRODUCT, INCLUDING, WITHOUT LIMITATION,

PROPERTY DAMAGE, LOSS OF VALUE OF THE

PRODUCT, DEATH, INJURY OR ANY OTHER DAMAGES

THAT MAY BE CAUSED TO YOU, YOUR FAMILY, HEIRS,

ESTATE OR ASSIGNS. NOTWITHSTANDING ANY

DAMAGES THAT YOU MIGHT INCUR FOR ANY REASON

WHATSOEVER (INCLUDING, WITHOUT LIMITATION, ALL

DAMAGES REFERENCED HEREIN) AND ALL DIRECT

OR GENERAL DAMAGES IN CONTRACT, TORT

(INCLUDING NEGLIGENCE AND OTHERWISE), THE

ENTIRE LIABILITY OF THE COMPANY SHALL BE

LIMITED TO THE AMOUNT ACTUALLY PAID BY YOU

FOR THE PRODUCT. SOME STATES DO NOT ALLOW

THE EXCLUSION OR LIMITATION OF INCIDENTAL OR

CONSEQUENTIAL DAMAGES, SO THE ABOVE

LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO

YOU.

9.2 Exclusions and Limitations

Company’s Limited Warranty applies only to the

Product. The warranty does not apply to any non-Company

products, even if packaged or sold with the Product. This

warranty does not apply to damage caused by abuse,

misuse, accident, tampering, force majeure, or modifications

of the Product.

9.3 Remedy

Your sole and exclusive remedy for a breach of this

Limited Warranty, and Company’s sole and entire liability is,

at Company’s discretion, to repair or replace the defective

Product or refund the purchase price of the defective

Product within thirty (30) calendar days of the date of

purchase. Repair or replacement (including part and labor)

shall be made at Company’s expenses. Company reserves

the right to send you a replacement product that is the

same or an equivalent substitute. Replacement products will

be furnished only on an exchange basis. Replacement

products are warranted as above for the reminder of the

original applicable Product warranty period.

9.4 Warranty Disclaimer

EXCEPT AS SET FORTH ABOVE IN THIS LIMITED

WARRANTY, THE PRODUCT IS PROVIDED ON AN “AS

IS” BASIS AND THE COMPANY MAKES NO OTHER

EXPRESS OR IMPLIED WARRANTIES TO THE EXTENT

PERMITTED BY LAW AND SPECIFICALLY DISCLAIMS

AND EXCLUDES ALL IMPLIED WARRANTIES,

INCLUDING, WITHOUT LIMITATION, THE IMPLIED

WARRANTIES OF MERCHANTABILITY AND FITNESS

FOR A PARTICULAR PURPOSE. IF SUCH DISCLAIMER

OF ANY IMPLIED WARRANTY IS NOT PERMITTED BY

LAW, THE DURATION OF ANY SUCH IMPLIED

WARRANTIES IS LIMITED TO THE DURATIONS SET

FORTH IN THIS LIMITED WARRANTY. SOME

JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF

IMPLIED WARRANTIES OR LIMITATIONS ON HOW

LONG AN IMPLIED WARRANTY MAY LAST, SO SUCH

LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO

YOU.

9.5 Obtaining Warranty Service

If you whish to make a claim under this warranty with

respect to the Product, you can do that either by using our

website or by sending an e-mail to

customer.service@divenav.com with the following

information:

1) Attach photocopy of original purchase receipt.

2) Provide purchase date, product UPC code, and serial

number.

3) Write brief description of the problem.

4) Provide a telephone number and e-mail address at

which you can be reached during normal business hours.

All of the above information is required before a

warranty claim will be accepted. Once Company validates

your claim, we will issue you an RMA (Return Material

Authorization) number and shipping information.

10 FCC

10.1 FCC Compliance Statement

FCC ID: RSY2015COOTWO

This device complies with Part 15 of the FCC Rules.

Operation is subject to the following two conditions:

(1) This device may not cause harmful interference and

(2) this device must accept any interference received,

including interference that may cause undesired operation.

This equipment has been tested and found to comply

with the limits for a class B digital device, pursuant to part

15 of the FCC Rules.

These limits are designed to provide reasonable

protection against harmful interference in a residential

installation.

This equipment generates, uses and can radiate radio

frequency energy and if not installed and used in

accordance with the instructions, may cause harmful

interference to radio communications. However, there is no

guarantee that interference will not occur in a particular

installation. If this equipment does cause harmful

interference to radio or television reception, which can be

determined by turning the equipment off and on, the user is

encouraged to try to correct the interference by one or more

of the following measures:

* Reorient or relocate the receiving antenna.

* Increase the separation between the equipment and

receiver.

* Connect the equipment into an outlet on a circuit

different from that to which the receiver is connected.

* Consult the dealer or an experienced radio/TV

technician for help.

10.1 FCC Caution

The user is cautioned that changes and modifications

made to the equipment without the approval of

manufacturer could void the user’s authority to operate this

equipment.

11 COPYRIGHT NOTICE

This manual is copyrighted and it may not be copied,

reproduced, translated or transformed into any electronic

format without prior written consent of DiveNav, Inc.

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