ADREL ALT-USB, Руководство пользователя, Страница: 8 / 11

8
Connecting the battery
Please pay attention when connecting the battery, the battery connector pins should be parallel
to altimeter’s contacts. Inserting the plug under angle does not provide adequate contact and the
battery can be detached from the altimeter. When connecting clear perceptible resistance should be
felt.
After connecting the battery serial number is displayed, then the reset state is signaled by - the
LED should blink single flashes. Three flashes indicate that the altimeter is not cleared and that it
can be reset manually. Four flashes mean that the altimeter is not cleared and that it can not be
reset manually. It is possible to reset only by the computer.
Before inserting into the enclosure, you should make sure that the LED is blinking single flashes
(altimeter alarm reset). Be careful with any assembly work, so as not to produce negative pressure
in the chamber of the altimeter. Particular attention should be paid when removing the head of
rockets. We can create a vacuum in the chamber of the altimeter and thus start the measurement.
The altimeter rejects measurements of pressure changes that last less than 2 seconds. However,
before re-assembly of the model, you need to make sure that the altimeter is reset, and possibly
reset it. Measurements start after about 3 minutes from the power connection.
7. Altitude measurement.
Altimeter can be powered from any battery with a voltage of 3.3 V to 6V. Altimeter’s
contacts have 2mm spacing, so be sure to use the appropriate plug. At the end of this manual there
are addresses of online shops where you can
buy these connectors, and the names of these
connectors. The figure shows the power
connection. Altimeter
is protected against
reverse connection of
power supply.
After connecting the power, LED blink once or three times. This is a state reset. After a time of
2 seconds the LED is blinking, then displays the serial number of the altimeter. You can stop the
display of the short connection of the reset pins.
Altimeter can be reset without a computer (as far as we indicated in the settings "Manual reset '
Yes'). We should wait until the LED will blink 3 times (if altimeter is not reset) and then short for
a moment two free contacts of the connector (marked in the figure as data contacts or reset). LED
will blink with single flashes.
Altimeter is ready for measurement. Reset by shorting the contacts does not erase the previous
measurement. The start of the measurement (indicated by 2 blinks) deletes the previous data.
Measurements are taken 3 minutes after connecting the battery or reset. They are not stored in
nonvolatile memory only in the so-called instantaneous. Only after the detection of previously
programmed measurement triggering value, the last 32 and current measurements are saved.
altitude measured before the launch is regarded as a reference, or the amount of '0 '. Start of
measurement (ie, exceeding the pre-programmed "altitude of the start of measurement") is signaled
by double blink of diode. Current measurements are saved in memory. After a minimum of
2 seconds after the triggering of measurement altimeter verifies if the model is dropping. If it
reached the altitude of less than 7m, and the model will not get lower, 32 more measurements will