VL-SVN511BX/VL-SVN511CX/VL-SVN511CX1
10.1.4. Factory Mode
Entering Factory Mode:
1. Turn AC Power "ON", while pressing [OFF] button, [TALK]
button and [F4] at the same time, about 5 seconds or more.
(FACTORY MODE screen is displayed.)
In order to exit Factory Mode:
1. Press the [OFF] button.
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