Samsung VP-M102 Owner's Instruction Manual page 14

The Function button is used to make a selection, move the cursor, select the functions and exit from the menu.
Note
If there is no file when you press the [OK] button in Video Record/Photo
Capture, no change occurs.
Refer to page 39 for further details about the function button.
You can use various functions pressing the [Display] button.
1. Open the LCD monitor.
2. Move [Mode Selector] down to turn on the CAM.
The video screen appears.
You can select Video mode or Previous mode as the start-up mode in System Settings. (Refer to page 94)
3. Press the [Display] button.
Once: The display indicators turn off.
Twice: The back light turns off.
3 times: It returns to the initial screen.
Hold down the button for 2 seconds:
The [Help] screen according to each
mode appears.