2
Opening the cover
Press on the tab. 
Shooting and recording/playback functions (4)
wj VTR START button
Press this button to start recording. Press it again to stop recording. The effect is exactly the same as that of the VTR button on the lens.
When the REC SWITCH function is assigned to the ASSIGN 1 (push type), you can use the ASSIGN 1 switch as the VTR START button.