Radio Shack 20-107 Scanner User Manual


  Open as PDF
of 33
 
18
Setup
19
Basic Operation
Using the Main Power Cut-Off Switch
The Main Power Cut-Off switch is only used to prevent battery drain
when iSCAN is not used for long periods of time. Do not use the
Main Power Cut-Off switch on a routine basis.
Always press and hold
to turn off iSCAN before switching the
Main Power Cut-Off switch to OFF and before removing the
batteries. Failure to turn off iSCAN using
may result in data loss or
corrupted memory on the SD card.
w Warning: The Main Power Cut-Off switch will not protect your
iSCANfromdamageduetobatteryleakagewheniSCANisstored
forlongperiodsoftime.AlwaysremovethebatteriesfromiSCAN
when placing it into long-term storage.
Connecting Earphones or Headphones
For private listening, you can plug
1
/
8
inch(3.5mm)mini-plug
earphonesorheadphones(notsupplied)intheHEADPHONE jack
on top of iSCAN. This automatically disconnects the internal speaker.
Connecting an External Speaker
Inanoisyarea,anampliedspeaker(notincluded,availableat
your local RadioShack or RadioShack.com)mightprovidemore
comfortable listening. Plug the speaker cable’s
1
/
8
inch(3.5mm)mini-
plug into iSCAN’s HEADPHONE jack.
Listening Safety
Do not wear headphones, earphones, or earbuds while operating a
motor vehicle or riding a bicycle. This can create a traffic hazard and
could be illegal in some areas. 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iSCAN
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.
Basic Operation
Turn on iSCAN and Set Squelch
1. Slide Main Power Cut-Off to the ON position.
2. Press and hold
.
3. Turn SQUELCHtothemidpoint(12o’clock)position.
Power
Squelch
•The higher the squelch is
set, the stronger the signal
required to break the
squelch.
•To hear weaker signals,
turn SQUELCH
counterclockwise to
increase sensitivity
Main Power
Cut-Off
Lift
cover
 previous next