Sigma BC 14.12 ALTI User manual

BIKE COMPUTER TOPLINE
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TUTORIal:
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FUNCTIONS
SI GBBGRUSEDKFINO SK
BC 14.12 A LTI / BC 14.12 A LTI

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Contents
1. Introduction to the BC 14.12 ALTI /
BC 14.12 STS ALTI 02
1.1 Initial use 02
1.2 Navigation principle 03
1.3 Set-up 04
2. Functions / Properties 04
2.1 General 04
2.2 Special functions 06
2.3 Altitude measurement 06
2.4 STS features 07
3. Settings / Deletion 09
3.1 Settings 09
3.2 Determining the wheel size 09
3.3 Deleting the functions 09
4. Important Notes / Troubleshooting 10
4.1 Technical data 10
5. Warranty Conditions 12
GB
1. Introduction to the BC 14.12 ALTI / BC 14.12 STS ALTIENGLISH
You can find the CE declaration under:
www.sigmasport.com
1.1 Initial use
The bike computer comes in “deep sleep mode”.
To exit this mode, press and hold the MODE 1 and
SET buttons for five seconds.
On waking up, the bike computer
will be in active mode.
To access the settings,
press the SET button.

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1.2.1 Button functions 1.2.2 Assigning the functions
1.2 Navigation principle
RESET button for
– Deleting the
current values
– Scrolling backward
You can access the following
functions by pressing the
MODE 2 button:
current altitude / trip altitude /
time / temperature /
total distance / total time /
total altitude
You can access the following
functions by pressing the
MODE 1 button:
trip distance / trip time /
Ø speed / max. speed
MODE 2 button for
– Switching between
several functions
– Scrolling forward
MODE 1 button for
– Switching between
the bike functions
– Scrolling forward
SET button for
– Switching to / from
the setting mode
– Scrolling backward

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2.1 General
– Current / average speed comparison k
If you are traveling at approximately
your average speed, nothing is
displayed. If you are traveling
quicker than your average speed,
( ) is displayed; if you are
traveling slower ( ) is displayed.
This information is displayed in
almost all functions, except the
basic settings.
– Light manager kSimultaneously press the SET and
RESET buttons to switch the light function on / off.
The display lights up by pressing any button; the
bike computer changes to the respective function
when the button is pressed again. Avoid using the
backlight unnecessarily to save the battery!
1.3 Set-up
Please see the leaflet provided for the set-up
diagrams!
1.2.3 Display layout
2. Functions / Properties
Top field:
Speed
Middle field:
Description of the functions
Bottom field:
Current value
1.2 Navigation principle

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2. Functions / Properties
– Service interval kThe service interval informs
you when you have cycled a specified number of
kilometers and a bike inspection is due. This service
interval can only be enabled/disabled and pre-
configured by your specialist retailer. The device
comes with the service interval disabled.
– Battery status kThe battery status of the computer
head unit is displayed shortly before the battery
runs out. “ low / computer” appears on the display.
After changing the battery, only the time needs to be
re-set.
– Memory chip kThanks to an inbuilt memory chip,
all total values and settings are permanently stored
in the bike computer. This means that you do not
need to reconfigure any settings (except for the time)
after changing the battery.
– PC compatibility kThe bike computer is
PC-compatible. After purchasing the SIGMA
DATA CENTER software and docking station,
you can simply and effortlessly log your total
and current values on your PC. You can also
configure your bike computer’s settings on
the PC.
www.sigma-data-center.com

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2.3 Altitude measurement
The altitude measurement on the BC 14.12 ALTI /
BC 14.12 STS ALTI is determined on the basis of the
barometric air pressure. Any change to the weather
means a change to the air pressure, which can lead
to a change to your current altitude. To compensate
these changes in air pressure, you must enter a
reference altitude into the BC 14.12 ALTI /
BC 14.12 STS ALTI (process known as calibration).
– Calibration using the start altitude kThe start
altitude is the altitude of your usual start location
(generally your home). You can find this information
on road or country maps. It is set in the
BC 14.12 ALTI / BC 14.12 STS ALTI once and
calibrated within a matter of seconds.
2.2 Special functions
– Hiding total values during the trip k
If the BC 14.12 ALTI / BC 14.12 STS ALTI receives
speed signals, all the total functions (distance, time,
and cumulated altitude) are hidden on the display.
If no speed values are received, the functions
are once again displayed.
2. Functions / Properties

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2. Functions / Properties
– Calibration using the current altitude kThe current
altitude is the altitude of the place at which you are
currently located irrespective of your start altitude
(your trip start location, a mountain hut, or other
locations). The current altitude is used if you are
out on your bike and altitude information is provided.
2.4 STS features
– Synchronization kAttach the BC 14.12 STS ALTI
to the bracket – zeros flash for the speed.
There are two ways of synchronizing the speed:
– 1. kStart cycling – the receiver usually
synchronizes with the transmitter after 3-4 wheel
rotations.
– 2. kSpin the front wheel until the speed values
stop flashing.
Removing the BC 14.12 STS ALTI from the bracket
severs the connection.
1 2

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– Message “Too Many Signals” kIncrease your
distance from other cyclists (transmitters) and
press any button. Synchronization re-starts. (If the
transmission connection is lost during your trip and
no longer functions, press and hold the MODE 1
button for more than three seconds to start manual
synchronization. “Sync. RESET” flashes on the
display)
2. Functions / Properties
– Transport mode kWhen transported on a bike
rack or in the car (if clicked into the bracket),
the BC 14.12 STS ALTI switches to “transport
mode” via an integrated movement sensor.
“Transport” appears on the display.
Press any button to exit this mode.
> 3 sec.

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3.3 Deleting the functions
Please see the diagrams for how to delete the
functions.
3. Settings / Deletion
3.1 Settings
The following settings can be configured: language /
unit / current altitude / start altitude / wheel size / time /
total distance / total time / total altitude / contrast.
Clear diagrams of how to set each of these functions
can be found in the enclosed leaflet.
3.2 Determining the wheel size
To measure your speed precisely, the wheel size must
be set on the basis of your tire size. To do this, you can:
A– Calculate the wheel size using the formula provided
in the wheel size chart.
B– Determine the value from the drawings in the
wheel size chart.
C– Take the value that corresponds to your tire size
from the wheel size chart.

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4.1 Technical data
4.1.1 Battery indicator / replacement
Please see the enclosed diagrams for how to insert or
remove the battery. After changing the battery in the
computer head unit, only the time needs to be re-set.
BC 14.12 ALTI Type CR 2032 /
computer head unit: 1.5-year service life*
BC 14.12 STS ALTI Type CR 2032 /
computer head unit: 1-year service life*
Speed transmitter: Type CR 2032 /
1-year service life*
* when used for one hour per day
4. Important Notes / Troubleshooting
4.1.2 Troubleshooting
No speed:
– Is the computer correctly fastened into the bracket?
– Check the distance between the magnet and the
sensor (max. 12 mm).
– Is the magnet correctly positioned?
Incorrect speed:
– Are two magnets attached to the bike?
– Is the wheel size correctly set?
Further troubleshooting solutions can be found in our
FAQs at www.sigmasport.com