HAIER 20: CRT TV: ENTER SERVICE MODE
- Simultaneously press "Menu" buttons both on the front panel of the TV and the remote control.
- To call an item to adjust, use Program (+) / Program (-) buttons on the remote control.
- To adjust the data value to selected item, use Vol (+) / Vol (-) keys.
JWIN TVs
- Press 'Prod' with 'Display Mute'.
- Scroll through the pages to enter the sub menu 'Sleep'
- Select the position or channel items, using Volume+/- buttons.