Lcd Contrast; Service - Martin Audio MA12K - 2007 User Manual

local preset" does not appear if the smartcard is blank.

2.3.17 LCD contrast

In this screen you can set the contrast of the LCD display by pushing the +/- buttons (see figure 2.3.10)
2.3.18 Set unlock code
In this screen you can insert the numeric key to unlock the settings. The same screen appears when the
"unlock" button in the main screen is pressed. There is a universal key to unlock the settings. This is 270156.

2.3.19 Service

This function is factory reserved.
All material © 2007. Martin Audio Ltd. Subject to change without notice.