Astra A5022 Kullanıcı Kılavuzu - Sayfa 4

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1.3

Switch Inputs

Except for variants with suffix -S, two push-button switches are provided for calibrating the

compass in the field.

When the A5022 is viewed from the front face with the LED facing, then Switch 1 is on the right and

Switch 2 is on the left.

Switch 1:

Switch 2:

but at any azimuth. Pressing S2 sets the heading to zero and so can be done when the

whole installation is headed North.

Both together

calibration process to halt and restores the previously saved calibration values.

A blue light indicates three states of the A5022.

State 1

Uncalibrated

State 2

In the process of calibration

State 3

Calibrated

After the reset command

a long flash.

Note that the LED can be turned off and on by the DLED command – see section 5.

Fig 1

Start the auto-calibration process

Set reference NORTH heading. The A5022 must be mounted upright

Pressing both together for at least one second causes the auto-

long flash

continuous

short flash

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, the A5022 is uncalibrated and will have