Before you entering Precision AK-19 factory mode to change any value on the factory service mode, please write down all the original factory settings. tvservicemenu are not responsibility for any damage, data error and unwanted effect after using our service code and information on these page.
From the remote control, press SET MENU button to enter (FEATURE), and press sequence
4, 7, 2, 5. Factory mode will open and show on the screen.
To select the parameter press channel up/dpwn.
To adjust the value settings press volume up/down.
To save changes press the red button. To exit press TV button.