Heinrichs weikamp Bottomtimer Manuel utilisateur

Manual

hw Bottomtimer

hw Backup

Came to stay

Compact, bright and reduced to the essential.

Due to its extraordinary design, the hw Back-

up is extremely handy and robust.

The new addition to heinrichs weikamp‘s

light portfolio has a unique design that does

its job and looks good at the same time: Due

to its angular shape, the hw Backup is par-

ticularly easy to grip and can be held safely in

the hand. It can be easily stowed away on the

harness without being bulky.

High-quality materials, elaborate manufac-

turing and extremely simple handling ensure

that the light is always ready when it is need-

ed – whether for cave diving or on holiday.

Even during long dives the hw Backup will lead

you safely back to the entrance. It provides at

least 2 hours of light at constant brightness

and another 6 hours at lower brightness.

The hw Backup will remain in production at

least until 2030. Access to spare parts, service

and accessories is thus guaranteed for at least

10 years after the product launch.

The hw Backup is delivered fully rigged and

is immediately ready for use. For 185 euros in

our online shop:

www.heinrichsweikamp.com

Also availabe as team-pack!

5 backup lights for the price of 4

Thank you for choosing the hw Bottomtim-

er from heinrichs weikamp!

Hardly any other product has been asked

for more often in recent years, and now it›s

here: The hw Bottomtimer with razor-sharp

IPS-LCD, easiest operation, long battery life

(depending on display brightness setting

up to 100h) and all that packed in an ex-

tremely robust aluminium case.

The hw Bottomtimer has a very large dis-

play of depth, dive time, maximum and av-

erage depth. A stopwatch with the average

depth over the stopped time as well as tem-

perature and ascent/dive speed round oﬀ

the displays. Easy to read even in poor vis-

ibility and complete darkness.

Edgy and black - the hw bottom timer is

only available in one version. As a backup,

for ratio deco or mounted on the scooter

(scooter console in preparation!): The com-

pact hw Bottomtimer always ts.

The Bottomtimer is developed and pro-

duced entirely in Germany. It is the result

of months of testing by technical divers all

over Europe.

You can use the hw Bottomtimer intuitive-

ly. But to become familiar with its functions

and to use it in the best way, we recom-

mend you to read this manual carefully. Ad-

ditionally you nd some videos on our web-

site and facebook page which oﬀer some

easy explanations (for example how to

change the battery or change the bungees).

Your hw Bottomtimer

For any questions relating to your hw Bottomtimer, please contact us:

• E-Mail: info@heinrichsweikamp.com

• Post: heinrichs weikamp gmbh

Adlerstraße 7

79098 Freiburg im Breisgau

Germany

Contact

Content

1. Common advices..................................................................................... 6

1.1. Technical status ..............................................................................................6

1.2. About this manual..........................................................................................6

1.3. Functions overview ........................................................................................6

2. Safety advices ......................................................................................... 6

2.1. Requirements ..................................................................................................6

2.2. Before every dive .............................................................................................6

2.3. While diving......................................................................................................7

2.4. Safe use ..............................................................................................................7

2.5. Environmental conditions............................................................................7

3. Before rst use........................................................................................ 7

3.1. Depth gauge functions.................................................................................7

3.2. Operating...........................................................................................................8

4. Surface mode .......................................................................................... 8

4.1. Display ................................................................................................................8

4.2. Main menu........................................................................................................8

4.3. Display Settings...............................................................................................9

Brightness.........................................................................................................9

Units ...................................................................................................................9

Salinity ..............................................................................................................9

Colour scheme.................................................................................................9

4.4. Settings...............................................................................................................9

Time and date..................................................................................................9

Disable buttons...............................................................................................9

Reset menu....................................................................................................10

4.5. Information....................................................................................................10

4.6. Logbook ...........................................................................................................10

4.7. Simulator ........................................................................................................11

5. Dive mode ............................................................................................. 12

5.1. Display in dive mode...................................................................................12

5.2. Stopwatch and stopped average ............................................................13

Rate of ascent ...............................................................................................13

6. Maintenance ......................................................................................... 13

6.1. Housing ...........................................................................................................13

6.2. Bungee.............................................................................................................13

6.3. Changing the battery .................................................................................13

Calculating the capacity of the battery ...............................................14

6.4. Accessories.....................................................................................................14

Technical data ........................................................................................... 15

Disposal ..................................................................................................... 15

1. Common advices

1.1. Technical status

This manual corresponds to the technical

status of the depth meter hw Bottomtimer

and its Firmware 1.02 as of October 2021.

1.2. About this manual

Read this manual carefully, so you can set

up and use the hw Bottomtimer in the right

way. Keep this manual so you can consult it

also at a later time. You also nd the latest

version for download as PDF on our home-

page.

Standard settings

For important settings, the hw Bottomtim-

er shows an asterisk * behind the current

setting, if the current setting is diﬀerent

from the default setting.

Copying or reusing this manual or parts

of this manual is not allowed without the

written permission of heinrichs weikamp.

1.3. Functions overview

Your hw Bottomtimer assists you with the

following functions:

Display: Diving depth and duration accord-

ing to EN 13319, maximum diving depth,

ambient temperature, average depth, stop-

watch, stopped average

Record: Time, duration, depth prole, tem-

perature and additional information.

2. Safety advices

2.1. Requirements

The most important factor for safe diving is

a competent and well trained diver.

2.2. Before every dive

Plan your dive. Make sure that your hw Bot-

tomtimer is ready for use and correctly con-

gured.

Congured correctly?

Check the settings of your hw Bottomtim-

er. If necessary, adjust the settings accord-

ing to your dive plan and equipment.

Battery full?

Check the battery status using the battery

indicator on the display. To ensure reliable

performance throughout your dive, the sta-

tus of the battery must be suﬃciently high.

We recommend to recharge/change it at 25

percent of performance at the latest.

Device waterproof?

Make sure that the openings of the hw Bot-

tomtimer (battery compartment cover) are

closed.

Safely attached?

Make sure that your hw Bottomtimer can

be fastened safely using either the bungees

or a suitable alternative.

Display messages?

Check the screen of the hw Bottomtimer.

Do not dive if your device shows a warning.

Check the cause of the warning.

2.3. While diving

Take a backup system with you.

While diving, always carry a backup system

to measure duration and depth of your dive

independently from hw Bottomtimer.

Take a suﬃciently long surface break be-

fore diving again.

The hw Bottomtimer doesn’t indicate

how long to wait before the next dive. It

just shows the duration time of the inter-

val. Please follow the guidelines you were

taught during your dive training.

2.4. Safe use

Do not modify the hardware. Modications

to the hardware of the hw Bottomtimer can

damage its proper function and the water-

tightness of its housing.

Only the bungee backplate and the cap of

the battery compartment can be removed.

There is no other way to open the housing

without damaging the device.

Caution

Surpassing the maximum water depth of

250 meters may cause malfunction or per-

manent damage of the device.

2.5. Environmental conditions

StorethehwBottomtimerinacool,dryplace.

Permissible temperature range for use and

storage: between -5 °C and 40 °C.

Make sure that the used battery is suitable

for the ambient temperature to be expect-

ed in your dives. For cold water diving (un-

der 10°C) we recommend the use of a Lith-

ium battery.

3. Before rst use

heinrichs weikamp delivers the hw Bottom-

timer ready to use. But nevertheless check

the battery status before using it the rst

time.

The hw Bottomtimer is attached to the arm

with a bungee. The bungee is already in-

stalled. To tighten the bungee, make a knot

above the circular cavity. Cut remaining

bungee and use a lighter to melt the small

remains of nylon.

3.1. Depth gauge functions

The hw Bottomtimer is a depth gauge as

used in technical diving as a backup. It dis-

plays depth, maximum depth, dive time,

temperature, time, battery status, stop-

watch and average depth when diving.

In the menu there is the possibility to set

the stopwatch and recalculate the average

depth.

Language

The menu of the hw Bottomtimer is only

available in English.

3.2. Operating

The hw Bottomtimer is operated with two

buttons on the left and right side of the

housing. To turn it on, press one of the two

buttons.

From the start screen, you can access the

menu with the left button (Menu). In the

menu you can go through the items with

the left button (NEXT) and select with the

right button (ENTER). Only one button has

to be pressed at a time. From the last entry,

the cursor jumps back to the rst.

To exit the menu or a submenu, select EXIT.

4. Surface mode

4.1. Display

On the start screen the hw Bottomtimer

shows the following items:

• ambient pressure, clock, date

• temperature

• rmware

• battery: level, type and voltage

• after diving: last dive and intervall

4.2. Main menu

In the main menu you can adjust the base

settings of the hw Bottomtimer and review

your dives in the logbook.

Sleep mode

When the hw Bottomtimer isn’t operated

at the surface, it switches into sleep mode

after 4 minutes to save energy (when using

1.5 V batteries after 2 minutes).

NEXT ENTER

From the start screen you can enter the menu. In the menu you navigate with NEXT and ENTER.

4.3. Display Settings

Brightness

The display brightness of the hw Bottom-

timer can be set to Eco, Medium, High and

Cave. With »Brightness Surface«, a diﬀerent

value can be set for operation on the surface.

In most cases the Eco setting is suﬃcient,

only if the hw Bottomtimer is used frequent-

ly in shallow water and in direct sunlight is

a higher setting recommended. »Cave« is

only recommended for cave or night dives.

Default: Eco

Units

Display of depth and temperature in metric

(m/°C) or imperial (ft/°F) units.

Default: m/°C

Salinity

This setting allows you to adjust if you dive

in salt water or in fresh water. This value

has a slight eﬀect on the display of the ac-

tual and maximum depth. To increase this

value, push ENTER repeatedly until the re-

quired value is displayed.

For most seas the setting is 3%, for the

Mediterranean and Red Seas 4% and for the

Baltic Sea 1-2%.

Setting range: 0% – 4%

Default: 0%

Rotate Screen

If necessary, the display of the hw Bottom-

timer can be turned upside down with

»Rotoate Screen«.

Default: Yes

Colour scheme

Choose the colour of the display in dive

mode. You can choose the schemes red,

green, blue and standard (white)

Default: Standard

4.4. Settings

Time and date

Menu to set time and date. With Set time

you can set the time, with Set date you can

set the date of the internal clock of the hw

Bottomtimer. You can change the values for

time and date with the ENTER button.

Choose a date format:

YYMMDD: year, month, day

DDMMYY: day, month, year (default)

MMDDYY: month, day, year

Disable buttons

With the function »disable buttons in dive

mode« the buttons can be disabled for the

time of the dive. This can be useful when

driving a scooter, for example. If the hw

Botttomtimer is mounted on a console,

the vibrations can cause the buttons to be

pressed accidentally.

Default: No

Reset menu

In the reset menu you can put the settings

of the hw Bottomtimer to its default values

and start the device from new.

Reboot

Restarts the hw Bottomtimer

Reset Settings

Resets all settings (not time and date) to

factory defaults. You’ll be prompted to con-

rm the action. Dives in the logbook and

the dive counter will not be reset.

Reset Logbook

Deletes all data in the logbook.

Reset Battery

When replacing the battery you have to

choose the battery type. If you were wrong,

you can correct your information in this

menu.

4.5. Information

Shows some device specic information

like serial number, installed rmware ver-

sion, number of total dives, type of battery

and the total runtime.

4.6. Logbook

The hw Bottomtimer records data during

every dive. It can be retrieved from the log-

book. The hw Bottomtimer stores data of

up to 250 dives. If the memory is full, ex-

isting records will be overwritten, starting

with the eldest.

Logbook entries are sorted in chronologi-

cal order, starting with the most recent en-

try. Every entry shows position index, date,

maximum depth and dive time.

To see details of a dive, press ENTER to se-

lect it. The rst detailed view appears with

a depth prole and an overview of the most

important data (depth, dive time, date,

clock, temperature).

Depth prole (top) and additional information (bot-

tom) in the logbook. Switchable with the right but-

ton.

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