Connecting A Speaker Or Headphones; Powering Your Scanner; Turning On The Scanner - Uniden PRO505XL Manual

CONNECTING ACCESSORIES

Connecting a Speaker or Headphones

You can plug an amplified speaker or headphones
(not supplied) with Çinch (3.5 mm) mini-plug into the
HEADPHONE jack on the back of the scanner. This
automatically disconnects the internal speaker.
Note: Use an amplified speaker with this scanner.
Non-amplified speakers do not provide sufficient
volume for comfortable listening.
Listening Safely
To protect your hearing, follow these guidelines:
• Do not listen at high volume levels. Extended
high-volume listening can lead to permanent
hearing loss.
• Set the volume to the lowest setting. Then turn
on your audio device and adjust the volume to a
comfortable level.
• Avoid increasing the volume. Your ears will adapt
to the volume level, so a level that does not cause
discomfort could still damage your hearing.

Powering Your Scanner

1. Connect the supplied adapter to the scanner's
DC 9V jack and a standard power outlet.
2. To disconnect, unplug the adapter from the
power source first.
Caution: You must use a Class 2 power source that
supplies 9V DC and delivers at least 400mA. Its
center tip must be set to positive and its plug must
fit the scanner's DC 9V jack. Using an adapter that
does not meet these specifications could damage the
scanner or the adapter.

Turning on the Scanner

1. Turn the SQUELCH all the way down before you
turn on the scanner.
2. Slide POWER to ON. A welcome message
appears. After about 3 seconds, adjust VOLUME
to a comfortable level.
3. Turn SQUELCH clockwise, just until the hissing
sound stops. If you always hear a hissing sound,
the scanner will not scan or search properly.
• To listen to a weak or distant station, turn
SQUELCH counterclockwise.
• If reception is poor, turn SQUELCH clockwise to
cut out weak transmissions.
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