Connecting Headphones; Listening Safely; Connecting The External Alert Out; Understanding Your Scanner - Radio Shack 20-136 Owner's Manual

Scanner Setup

Connecting Headphones

For private listening, you can plug a mono earphone or headset into the
Headphone Jack on the back of your scanner. This automatically disconnects
the internal speaker. Note that the sound is not in stereo.

Listening Safely

To protect your hearing, follow these
earphone or headphones guidelines:
• Do not listen at extremely high
volume levels. Extended high-
volume listening can lead to
permanent hearing loss.
• Set the volume to the lowest
setting before listening. Turn
on the scanner, and adjust the
volume to a comfortable level.
• After you set the volume, do not
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.

Connecting the External Alert Out

To provide additional alerting options for the weather alert, connect a
switch-closure activated device such as a strobe or siren controller (not
supplied). The devise can be up to 200mA, AC/DC 20V and must have a
3.5mm mono plug cable. Plug the device into the Alert Out Jack on the back
of your scnner.

Understanding Your Scanner

We use a few simple terms in this manual to explain the features of the
scanner. Familiarize yourself with these terms and the scanner's features, and
you can put the scanner to work for you right away.
The scanner scans conventional frequencies. A frequency, expressed in
MHz, is the tuning location of a station. To find active frequencies, use the
search function or consult an online resource such as www.radioreference.
com.
Headphone Jack
Alert Out Jack
8