Radio Shack Stereo Amplifier 04A01 User Guide

1 to 4 Professional Bi-Directional Cable Amplifier  
OWNER’S MANUAL — Please read before using this equipment.  
Your RadioShack 1 to 4 Professional Bi-Directional Cable Amplifier is  
designed for use with a drop distribution cable TV (CATV) system that  
requires bi-directional transmission in the interactive network. It mini-  
mizes signal loss for long cable runs and also amplifies and distributes  
the signal smoothly to four Internet-access and pay-per-view services.  
The amplifier’s high gain amplifies a weak signal to produce a good  
picture.  
CONNECTIONS  
CATV Drop Cable  
Its features include:  
54-1000 MHz Forward Path and 5-40 MHz Reverse Path — this fre-  
quency range covers the 300-450 MHz Hyper-Band and provides ex-  
cellent amplification for the forward path of a drop CATV system.  
Coaxial Cable  
Caution: Use only coaxial cable (not supplied) to make the connec-  
tions. Your local RadioShack store carries suitable cable.  
FR-4 Glass Fiber PCB and Sophisticated SMT (Surface Mount  
Technology) — provides reliable and excellent performance.  
1. Remove the plastic cover from the input and output terminals.  
High Stability Zinc Alloy Die-Cast Housing — prevents radio-fre-  
2. Connect the CATV’s drop cable to the amplifier’s INPUT terminal.  
quency interference and heat-sinking problems.  
3. Connect the amplifier’s OUT/+7 dB terminal(s) to the 75 ohm input  
WARNING: To reduce the risk of fire or shock hazard, do not expose this  
product to rain or moisture.  
terminal of your TV, VCR, or dwelling network.  
4. Connect the supplied AC adapter’s barrel plug to the amplifier’s  
12–16 VDC 200mA jack, then plug the AC adapter into a standard  
AC outlet. The amplifier’s power indicator lights.  
CAUTION  
!
RISK OF ELECTRIC SHOCK. DO NOT OPEN.  
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT  
REMOVE COVER OR BACK. NO USER-SERVICEABLE PARTS INSIDE.  
REFER SERVICING TO QUALIFIED PERSONNEL.  
Cautions:  
You must use a Class 2 power source that supplies 12V  
DC and delivers at least 200 mA. Its center tip must be  
set to positive and its plug must fit the amplifier's 12–16V  
DC 200 mA jack. The supplied adapter meets these specifications.  
Using an adapter that does not meet these specifications could  
damage the amplifier or the adapter.  
!
This symbol is intended to alert you to the presence of  
uninsulated dangerous voltage within the product’s  
enclosure that might be of sufficient magnitude to con-  
stitute a risk of electric shock. Do not open the prod-  
uct’s case.  
• Always connect the AC adapter to the amplifier before you con-  
nect it to AC power. When you finish, disconnect the adapter from  
AC power before you disconnect it from the amplifier.  
This symbol is intended to inform you that important  
operating and maintenance instructions are included in  
the literature accompanying this product.  
!
Notes:  
• This amplifier is designed to amplify existing signals and to deliver  
a strong signal through multiple in-home connections. It will not  
improve a poor signal.  
Important: This amplifier is intended for indoor use only.  
Note to the CATV System Installer: This reminder is provided to call  
the CATV system installer’s attention to Section 820-40 of the NEC,  
which provides guidelines for proper grounding and, in particular,  
specifies that the cable ground shall be connected to the grounding  
system of the building, as close to the point of cable entry as practical.  
To avoid signal loss, reflections, or “shadows” in your picture, out-  
put terminals that are not connected to a receiver should be termi-  
nated using the supplied terminating resistors.  
© 2001 RadioShack Corporation.  
All Rights Reserved.  
RadioShack and RadioShack.com are trademarks used by RadioShack Corporation.  
 

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