Hitachi DZ-HS903A Instruction Manual page 16

Lens side
Inside the
cover
Light receiving sensor
Used to control flash amount.
Do not block the light receiving
sensor with your hand when
recording still pictures.
Flash (p.72)
Optical 10x zoom lens (p.62)
Zoom lever/volume (p.52, 62, 64)
16
USB terminal (p.131)
A/V terminal (p.115)
Stereo microphone
Do not block the microphone with
your hand during recording.
Remote control receiver
Recording indicator (p.40)
LCD monitor (color wide-screen)