Uniden Sc230 Vhf Uhf Scanner Owners Manual

21
Understanding Scanning
Information On The Internet
The Internet is a great source for current frequencies and 
information about scanning. Many web sites have lists of 
frequencies for your area. You can use a search engine to 
find and use them. 
Make a list of the agencies you want to listen to, then look 
up the frequencies and systems used by those agencies. 
Here are a few useful sites:
•http://www.scannermaster.com * - frequency 
resources and home of Police Call.
You can also call them at 1 800...

22
Included With Your Scanner
Included With Your ScannerIf any of these items are missing or damaged, 
immediately contact your place of purchase or Uniden 
Customer Service at: (800) 297-1023, 8:00 a.m. to 5:00 
p.m., Central, Monday through Friday. 
Setting Up Your Scanner
Owners  ScannerAC Adapter
Frequency Guide
Belt Clip
Manual Antennas
Wrist Strap
BatteriesConnection
Cable
SC230
OWNER’S
MANUAL
OWNER’S MANUAL
Included With Your Scanner
SC230 Paper OM.fm  Page 22  Wednesday, October 6, 2004  10:51 AM 

23
Setting Up Your Scanner
These guidelines will help you install and set up your new 
scanner: 
• If your scanner receives interference or electrical 
noise, move the scanner or its antenna away from the 
source.
• To improve the scanner’s reception, use an optional 
external antenna designed for multi-band coverage. 
(You can purchase this type of antenna at a local 
electronics store). If the optional antenna has no 
cable, use 50-70 Ω coaxial cable for lead-in. 
A mating plug might be necessary for...

24
Setting Up Your Scanner
Before installing batteries, set the switch in the battery 
compartment to match the type of batteries you will use. 
Select REG. ALK. BATT. for non-rechargeable battery 
types and NI-MH. BATT. for rechargeable battery types. 
See also “Using Rechargeable Batteries” on Page 25 
when you use rechargeable batteries.
1. Remove the battery cover and set the battery switch.
2. Install 2 AA batteries, matching the polarity symbols 
(+ -).
   WARNING! 
Set REG. ALK. BATT./NI-MH. BATT....

25
Setting Up Your Scanner
3. Replace the cover.
When   flashes and the scanner beeps every 15 
seconds, replace both batteries.
Using Rechargeable Batteries
You can also use two rechargeable batteries to power 
your scanner. Before you use rechargeable batteries, you 
must charge them.
The scanner has a built-in circuit that lets you recharge 
batteries while they are in the scanner. To charge the 
batteries, set REG. ALK. BATT./NI-MH. BATT. inside the 
battery compartment to NI-MH. BATT., install the...

26
Setting Up Your Scanner
Before you use rechargeable batteries for the first time, 
charge them for 14 hours to bring them to a full charge.
Discharged batteries take about 14 hours to fully 
recharge.
Using AC Power
You can power the scanner using the supplied 6V, 
500 mA AC adapter.
To use the scanner on AC power, plug the AC adapter 
into a standard AC outlet.
If rechargeable batteries are installed and REG. ALK. 
BATT./NI-MH. BATT. is set to NI-MH. BATT., the adapter 
powers the scanner and...

27
Setting Up Your Scanner
Connecting an Earphone/Headphone
For private listening, you can plug a 1/8-inch (3.5 mm) 
mini-plug earphone or headphones (not supplied) into the 
headphone jack on top of your scanner. 
This automatically disconnects the internal speaker. 
See “Earphone Warning” at the front of the manual for 
important information about using an earphone/
headphone.
Connecting an Extension Speaker
In a noisy area, an optional amplified extension speaker, 
positioned in the right place, might...

28
Setting Up Your Scanner
Attaching the Wrist Strap
To keep your scanner safely close at hand, use the 
supplied wrist strap. Push the small loop on one end of 
the wrist strap through the lug on the right side of the 
scanner, then thread the other end of the wrist strap back 
through the small loop to secure it.
Installing the Demo Software
You can operate your scanner using a personal computer 
and the free demo software available at 
http://www.uniden.com. 
Download the software, then double-click...

29
Setting Up Your Scanner
A Look At The Keypad
Your scanners keys have various functions labeled on 
the key tops and below the keys. To select the function 
labeled on a key, simply press the key. To select the 
function labeled below a key, hold down   on the left 
side of the scanner then press the key.   appears on 
the display.
If your scanners keys seem confusing at first, the follow-
ing information should help you understand each keys 
function.
Key Name Description
CAR/CAR – Selects a car in...

30
Setting Up Your Scanner
L/O L/O – Lets you lock out a selected 
channel or skip a specified 
frequency.
 + L/O – Press quickly to lock 
and unlock a selected system in 
Scan or Scan Hold mode and 
review search lockout frequencies 
in Search or Search Hold mode. 
Press and hold for more than 2 
seconds to unlock all groups and 
channels in a system.
/ – Press and hold for more than 
2 seconds to turn the scanner on 
or off. Press quickly to cancel a 
prompt.
 +    – Turns the display 
backlight on or...