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20-430.fm Page 11 Wednesday, August 4, 1999 1:29 PM
Note: Connecting an external speaker
disconnects the scanner's internal
speaker.
CONNECTING AN
EARPHONE/
HEADPHONES
For private listening, you can connect
an earphone or headphones with a
inch plug (such as Cat. No. 33-175 or
20-210) to the
jack on the front of
the scanner. This automatically dis-
connects the internal speaker.
Listening Safely
To protect your hearing, follow these
guidelines when you use an earphone
or headphones.
• Do not listen at extremely high
volume levels. Extended high-
volume listening can lead to per-
manent hearing loss.
• Set
VOLUME
before you begin listening. After
you begin listening, adjust
to a comfortable level.
UME
• Once you set
increase it. Over time, your ears
adapt to the volume level, so a
volume level that does not cause
discomfort might still damage your
hearing.
1
-
/
8
to the lowest setting
VOL-
, do not
VOLUME
11
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