Meriam M2 – Series Smart Manometer - Manual (Page 21)

15
Contrast Select
The Contrast Select register allows the user to adjust the
character contrast of the LCD display to provide the best
visibility for the ambient light conditions.
To adjust the contrast, follow these steps:
Keystroke Display
1. From the Measure
Mode press the PRGM
key.
Top line reads “PROGRAM
MODE” and bottom line
reads “UNITS SELECT”.
2. Press the up arrow
key three times. Bottom line reads
“CONTRAST SELECT”.
3. Press the PRGM
key.
Top line reads “CONTRAST
SELECT” and bottom line
shows a numeric value.
4. Press the up or
down arrow keys to
increase or decrease
the contrast value. A
low number gives
maximum contrast and
a high number gives
minimum contrast. LCD lightens or darkens
depending on the value set.
5. Press the PRGM
key.
Top line reads “PROGRAM
MODE” and bottom line
reads “UNITS SELECT”.
6. Press the left arrow
key. Returns to Measure Mode.
If an error is made during the contrast adjustment, pressing
the  key returns the display to the previous contrast setting.