- Тип техники
- Бренд
Просмотр инструкции велокомпьютеров VDO MC1 0, страница 33
17
GB
MC
1.0
6.1. The home altitude or basis altitude of choice
6.1.1. Significance of the home or basis altitude
The altitude calculation works by measuring barometric pressure. Your VDO MC 1.0 converts the data of current barometric pressure into the respective
altitude. In order for your VDO MC 1.0 to indicate altitude and climbing precisely, your home or basis altitude must be entered before. The current
barometric pressure is allocated to the home altitude entered. Changes in barometric pressure due to weather changes require a re-calibration (= changed
barometric pressure allocated to home altitude).
Your VDO MC 1.0 features the easy-to-use ALTI-correction (see chapter 6.1.3). Based on this this new home altitude (=changed barometric pressure of
start location) all further measurings are calculated.
For your home altitude you enter the altitude of your start location (i.e. home) which can be obtained from topographical maps or inquired for at nearby airports.
Changes in barometric pressure are only converted to altitude climbed when speed impulses are processed at the same time. This avoids changes in
weather conditions reflect in changes of the gained altitude indication.
Accurate calculation of altitude requires the precise determination of home or basis altitude.
To process barometric pressure data, there is a hole drilled into the bottom of the housing of your VDO MC 1.0.
This hole must never be clogged or taped over.
Please do check on its cleanliness regularly and free the hole carefully if needed. You must never poke a pointed instrument into the hole.
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