Sony Glasstron Lite PLM-A35E Operating Instructions Manual page 14

For increased comfort while wearing Glasstron
If the Glasstron fit is loose or uncomfortable, place the supplied side piece pads onto the tip of each
side piece.
Note
Use the side peace pads pocket-side inward.
Wear the stereo earphones.
Detach the stereo earphones from the
display unit and put them in your ears.
Notes
If the stereo earphones are loose, we
l
recommend using the spare ear-pads (not
supplied).
If your head is small, you may not be able to
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use the Glass&on.
Depending on your eyesight, you may not be
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able to focus on the picture properly. In such
a case, it is not a malfunction.