Very,very good manual.It was very explicit and readble.It was helpfull.Thanks.
Text excerpt from page 21 (click to view)
The Select button is to start adjustment and goto next step . The Menu button can back to Setp1. Step 3: To use + or � button is to adjust the item value. The Select or Menu button is to finish adjustment and then back to Step 2. 6.3.2 Volume Menu Operation Use + or � to adjus t Volume level and Select to toggle mute on/off. Menu to quit Volume adjust operation
6.3.3 OSD Time out The OSD Time out is defined to 20 sec.