Meriam M203 Altimeter Indicated Air Speed Tester - Manual (Page 24)

21
RE-CALIBRATION – 1 Point EDIT and START
To perform a 1-point re-calibration, apply a pressure between 50% and 100%
of Full Scale and then follow these steps:
Keystroke Display
1. With unit OFF, press
and hold the MIN/MAX
key, turn the unit on by
pressing the ON/OFF key,
then release MIN/MAX. Top line reads “RE-CAL”.
Bottom line reads “EDIT”.
2. Press the up arrow key
until “START” is displayed
on the bottom line. Top line reads “RE-CAL”.
Bottom line reads
“START”.
3. Press the PRGM key. Top line reads “RE-CAL
START”.
Bottom line reads “1-
POINT”.
4. Press the PRGM key. Top line reads “CAL
POINT” and bottom line
displays the cal point
value.
5. Press the up/down
arrow keys to edit the
selected digit. Use the
left/right arrow keys to
change the cursor position.
Value entered must be 50-
100% of FS. Bottom line displays the
cal point value. The cursor
flashes at the first position
while the value is changed,
then moves to the right
position when the right
arrow key is pressed.
6. Press the right arrow
key while on the right most
digit to proceed. Top line reads “APPLY:”
Bottom line displays the
“CAL POINT” value.
7. Apply the input pressure
indicated using an
appropriate reference
standard; press PRGM
key. Top line reads “RE-CAL”.
Bottom line reads
“START”, Manometer has
been recalibrated.
8. Press the left arrow key. Returns to Measure Mode