QUESTION:
How do I set the?

ANSWER:
You have two options for setting the contrast on an OP5/15/7/17:

• Direct setting
  1. Press the "Shift” key. The shift LED lights.
  2. Press the "+/-” key until you get the required level of contrast.
  3. Press the "Shift” key.
• Standard image
  1. Select the standard image "System” -> "Languages”.
  2. Move the cursor to "Contrast”.
  3. Select the required contrast level by entering symbolic values (1 for the lowest contrast, 16 for the highest).