50 NX501A
English
Owner’s Manual
21. MONITOR OFF
Long Press Menu button on Operational Panel for 3 seconds, it will show “Monitor off……Touch the screen to
return” and then the head unit will turn off the TFT screen. Touch any place of the screen, the TFT screen will turn
on again.
When the Anti-theft is “On”, you need enter correct
Anti-theft code to turn the unit on. If you enter wrong
code three times, the unit is locked, and must be
unlocked by the professionals.
2. If your unit is secured, hold the [ ] more
then 2 seconds, then the Anti-Theft setting mode will
display. The numerical keypad is displayed, enter the
right code to unlock.
NX501A_Usermanual_EN-CAP_0304.indd 50 2011-3-11 16:41:32
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