903 - 6
Page Date: 20. April 2002
Section 903
Electronic Accelerometer
Pilot´s Operating Handbook
EXTRA 300L
OPERATING INSTRUCTIONS
The left button of the instrument will be called S1 and the right button will be called S2
during the following text. If the LC-Display shows acceleration values, then the upper line
exhibits the positive acceleration, and the lower line shows the negative acceleration. If the
LC-Display presents time and date, you will see the time in the upper line, and in the lower
line you will see the date.
1) THE FIRST SECONDS AFTER THE POWER ON
All LEDs are lighted up during the first two seconds after the power on of the instrument.
Both the “Current Extreme Value” and the “Total Extreme Value” are reset to 0g.
The LCD shows:
A + 0.0 g
A - 0.0 g
After two seconds the Instrument changes automatically into the “Normal Operating Mode”.
2) THE “NORMAL OPERATING MODE”
In the “Normal Operating Mode” the instrument outputs the “Instantaneous Acceleration”
and the “Current Extreme Values”. The “Instantaneous Acceleration” is shown as a bar on
the LED-Display. Furthermore one LED indicates the positive and another one indicates the
negative “Current Extreme Value”. The “Current Extreme Values” are also shown on the LC-
Display and signed with an “A”, for example:
A + 7.3 g
A - 3.5 g
4
2
0
-2
-4
-6
6
DSA 12
ACCELEROMETER
g-
Units
S2
S1
-10 -12
-8
Bright
Contrast
10
12
8
Button S1
Button S2
Contrast
LC-Display
LED-Display
Bright
Summary of Contents for 300L
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