Meriam M203 Altimeter Indicated Air Speed Tester - Manual (Page 20)

17
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 ▲ key three times. Bottom line reads
“CONTRAST SELECT”.
3. Press the PRGM key, Top line reads “CONTRAST
SELECT”. Bottom line shows a
numerical value.
4. Press the ▲ or ▼ 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 ◄ 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