BC 14.12 ALTI

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All SIGMA SPORT bike computers can display a maximum speed of 199.8 km/h.

– Multiply the wheel diameter in mm or cm by 3.14.
– Measure the distance travelled in one complete turn of the wheel.

You can make a warranty claim in relation to material and workmanship defects. The warranty does not cover batteries, wear-and-tear parts, wear caused by commercial usage, or accidents.You are only entitled to make a warranty claim if the SIGMA product itself has not been opened without authorization and the receipt of purchase is provided.

The DATA CENTER software can be downloaded from the SIGMA online shop at www.sigma-data-center.com.

The trip data can be manually input directly into the software or automatically transmitted using the optionally available docking station.

The docking station not only enables you to automatically transmit data but also to conveniently configure your bike computer via your PC.

It can be purchased from the SIGMA online shop at www.sigma-data-center.com or in store from your specialist retailer.

All SIGMA SPORT bike computers come with a battery compartment, which can be opened and closed by the user with the aid of a coin or a tool (supplied). When changing the battery, always note the position of the O-ring placed on the cover to ensure that the bike computer remains watertight.

The bike computer’s display can change in very high or low temperatures. In very high temperatures, the display gets darker; in very low temperatures, the display reacts more slowly. As soon as the temperature has cooled down or warmed up, the display returns to the original state. The display’s temperature range is -10°C to +50°C.

Your SIGMA SPORT bike computer is a measuring instrument that must be handled carefully.

After a prolonged period of use, especially if the bike and/or bike computer is/are stored outside, the contacts on both parts should be checked for corrosion. In the event of slight corrosion, you should carefully clean the contacts. Store your bike computer in a cool, dry place. After a prolonged winter break, we advise you to check the batteries in both the computer head and the transmitter(s). Although the power consumption during storage is extremely low, temperature fluctuations can impair the battery quality. When changing the battery, always use branded goods.

When cleaning the bike, remove the bike computer from the bracket. When using a high-pressure washer, avoid spraying the bike computer at close range. Ideal scenario: remove the bike computer from the bracket.

All SIGMA SPORT products are spray-resistant so that they can also be used in the rain. The bike computer is not suitable for use when swimming and is not machine washable!

Your bike computer can be switched from km/h to mph in the settings menu (under the function “unit”).

Please note that switching from km/h to mph automatically changes the time from 24h format to 12h format. The wheel size is also automatically converted. For information on how to make the switch, please see the operating instructions.

All SIGMA SPORT bike computer accessories are available on the market. If your retailer does not stock the replacement you can find the product number in the accessories list and order it from your retailer.

For information on how to change the bike computer/transmitter battery, please see the set-up instructions.

The SIGMA SPORT bike computers hide all total values during rides. This prevents you from unnecessarily clicking through the total values while cycling. As soon as there are no speed signals, the total values all reappear.

On using quality batteries for one hour per day or 7,300 km per year at an average speed of 20 km/h (batteries available from SIGMA SPORT®).

TOPLINE 2012 bike computers are all ONLY compatible with the dual-sided docking station (ref. no.: 00120). The earlier version of the docking station is solely compatible with models in the TOPLINE 2009 series.

The bike computers come in ‘deep sleep mode’. This prevents undesired energy consumption during storage and ensures that the bike computer offers 100% battery capacity on purchase. Depending on the model, to activate the bike computer, press and hold the bottom button(s) for at least five seconds.

All wired SIGMA SPORT bike computers switch on and off automatically.

All STS (Sigma Transmission System) wireless SIGMA SPORT bike computers switch on and off automatically. The bike computer switches on automatically when:
The bike computer is mounted in the bracket and the bike moves (STS devices) or the wheel is rolled (wired devices).

Only the BC 8.12 ATS has to be awoken by pressing a button.

The bike computer switches off automatically after five minutes (sleep mode) providing that no speed signals are received and no buttons are pressed.

You can use the set-up instructions to help you attach your bike computer.

Set-up videos for the individual computers are however also available.

A pure voltage measurement (e.g. with a multimeter) without any battery load does not provide precise information about the (residual) capacity of a button cell battery. The battery can still have a voltage of 3 V without load but of only 2.4 V when under load, e.g. if the wireless receiver is operating.

The bike computer measures the voltage of the button cell under a defined load. It can then calculate the cell’s residual capacity based on the voltage dip under this load. The “Low Bat” message is activated when the total capacity falls below approx. 25%.

The entry of a reference altitude is optional.

As the device’s altitude measurement is based on barometric air pressure though, the current altitude theoretically changes in the event of any barometric changes. To ensure the complete accuracy of the current altitude during your ride, we recommend entering a reference altitude into the device before you set off.

The following altitude calibration options are available:

Start altitude:

The ‘start altitude’ is the altitude of your usual start location (usually your home). You can find this information on road or country maps. It is set on the bike computer once and can be calibrated within three seconds. The start altitude is permanently stored in the bike computer (including after changing the battery).

Current altitude:

The ‘current altitude’ is the altitude of the place in which you are currently located, irrespective of your start altitude (e.g. the start of a trip). The ‘current altitude’ is used if you are out on your bike and altitude information is provided. Only one of the two options needs to be used to calibrate the altitude.

Air pressure at sea level:

If you are at an unknown location (no information available on the current altitude), you can enter the ‘air pressure reduced to sea level’ to calculate the current altitude. The air pressure reduced to sea level can be found online (e.g. www.meteo24.de), in the daily newspaper or at airports (please do not enter this in addition to the current altitude!).

The bike computer’s altitude measurement 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.

The start altitude is the altitude of your usual start location (usually your home). You can find this information on road or country maps. It is set on the bike computer once and can be calibrated within a matter of seconds.

Your bike computer has a function in the settings menu that enables a three-stage contrast adjustment. For information on how to use this, please see the operating instructions.

Wheel circumference min. 500 mm

Wheel circumference max. 3999 mm

With the ROX 12.0 GPS, even an input less than 500 mm can be adjusted.

The speed is displayed up to 199.8 km/h with a wheel circumference set at 2,095 mm.

V případě materiálových a výrobních chyb lze uplatnit záruční nároky. Ze záruky jsou vyjmuty baterie, elastické popruhy, textilní hrudní popruhy, např. Comfortex, opotřebitelné díly a opotřebení v důsledku komerčního použití nebo nehod. Pokud se nezobrazí žádná rychlost, může to být způsobeno vysílačem nebo počítačem.

Příslušenství je k dispozici v internetovém obchodě SIGMA.