User`s manual
    EPN4122/4122i/4220/4220i 
95 
  Set Auto Tracking: This function is not available. Press this key to switch On / Off the Auto-Tracking 
function. 
  Select Tracking Object: This function is not available. Press the key to display the tracking crosshairs 
on the screen. Use the joystick on the keyboard to select the desired tracking object and press this 
key again to save the selection. 
  Toggle Full Screen: Press this key to toggle between the full screen and current screen. 
【Value】Type in the number for the selected Action item. For example, selecting Goto Preset from the 
Action drop-down list and typing in 2 in the Value column represents the Preset Position 2.   










