Radio Shack 43-3903 Specifications, FCC Wants YOU to Know, FCC Statement, Surge Protection

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Limited One-Year Warranty

This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for one (1) year from the date of purchase from RadioShack company-owned stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack

MAKES NO EXPRESS WARRANTIES AND ANY IM- PLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTIC- ULAR PURPOSE, ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WAR- RANTIES CONTAINED HEREIN. EXCEPT AS PRO- VIDED HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RE- SPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY, IN- CLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack

HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you.

In the event of a product defect during the warranty period, take the product and the RadioShack sales re- ceipt as proof of purchase date to any RadioShack store. RadioShack will, at its option, unless otherwise provided by law: (a) correct the defect by product re- pair without charge for parts and labor; (b) replace the product with one of the same or similar design; or (c) refund the purchase price. All replaced parts and products, and products on which a refund is made, become the property of RadioShack. New or recondi- tioned parts and products may be used in the perfor- mance of warranty service. Repaired or replaced parts and products are warranted for the remainder of the original warranty period. You will be charged for repair or replacement of the product made after the expiration of the warranty period.

This warranty does not cover: (a) damage or failure caused by or attributable to acts of God, abuse, acci- dent, misuse, improper or abnormal usage, failure to follow instructions, improper installation or mainte- nance, alteration, lightning or other incidence of ex- cess voltage or current; (b) any repairs other than those provided by a RadioShack Authorized Service Facility; (c) consumables such as fuses or batteries;

(d)cosmetic damage; (e) transportation, shipping or insurance costs; or (f) costs of product removal, instal- lation, set-up service adjustment or reinstallation.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

RadioShack Customer Relations, 200 Taylor Street,

6th Floor, Fort Worth, TX 76102

12/99

If your Caller ID box is not performing as it should, take it to your local RadioShack store for assistance. To locate your nearest RadioShack, use the store locator feature on RadioShack's website (www.radioshack.com), or call 1-800-The Shack (843-7422) and follow the menu options. Modifying or tampering with the Caller ID box's internal components can cause a malfunction and might invalidate its warranty and void your FCC authorization to operate it.

SPECIFICATIONS

Power Source

Regulated 6V DC, 200mA,

 

Positive (+) Tip AC Adapter

Use of any other power source may cause damage.

THE FCC WANTS YOU TO KNOW

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

Consult your local RadioShack store or an experienced radio/TV technician for help.

If you cannot eliminate the interference, the FCC requires that you stop using your Caller ID box.

Changes or modifications not expressly approved by RadioShack may cause interference and void the user’s authority to operate the equipment.

SURGE PROTECTION

Your Caller ID box has built-in protection circuits to reduce the risk of damage from surges in telephone line and power line

current. These protection circuits meet or exceed the FCC requirements. However, lightning striking the Caller ID box or power lines can damage your Caller ID box.

Lightning damage is not common. Nevertheless, if you live in an area that has severe electrical storms, we suggest that you unplug your phone when storms approach to reduce the possibility of damage.

FCC STATEMENT

Your Caller ID box complies with Part 68 of FCC Rules and the requirements adopted by the ACTA. On the bottom of this product is a label with this product’s FCC Product Identification number in the format

US: DYFND01B433903. If requested, you must provide this information to the telephone company.

You must not connect your Caller ID box to:

coin-operated systems

most electronic key telephone systems

Your Caller ID box is not intended to be used with party-line systems. Connection to party line service is subject to state tariffs. Contact the state public utility commission, public service commission, or corporation commission for information.

We have designed your Caller ID box to conform to federal regulations, and you can connect it to most telephone lines. However, each Caller ID box (and each device, such as a telephone or answering machine) that you connect to the telephone line draws power from the telephone line. We refer to this power draw as the device's ringer equivalence number, or REN. The REN for your Caller ID box is the digits represented by ##, without a decimal point (03 represents a REN of 0.3 for example) in the Product Identification on the number found on the bottom of your Caller ID box.

If you use more than one phone or other device on the line, add up all of the RENs. If the total is more than five (three in rural areas), your telephones might not ring. If ringer operation is impaired, remove a device from the line.

In the unlikely event that your phone causes problems on the phone line, the phone company can temporarily discontinue your service. If this happens, the phone company attempts to notify you in advance. If advance notice is not practical, the phone company notifies you as soon as possible and advises you of your right to file a complaint with the FCC.

Also, the phone company can make changes to its lines, equipment, operations, or procedures that could affect the operation of this Caller ID box. The telephone company notifies you of these changes in advance, so you can take the necessary steps to prevent interruption of your telephone service.

 

43-3903

RadioShack Corporation

LIB965YY

12A02

Fort Worth, Texas 76102

Printed in China

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Contents Caller ID BOX Setup Connecting to a Single-Line PhoneInstalling Batteries Connecting AC AdapterConnecting to a Two-Line Phone Connecting to an Answering MachineMounting Caller ID BOX Care Option1Option Deleting a Single RecordSpecifications FCC Wants YOU to KnowFCC Statement Surge Protection

43-3903 specifications

The Radio Shack 43-3903 is a versatile and compact frequency counter that serves a range of applications in electronics, radio communications, and hobbyist projects. As an entry-level frequency counter, it is designed to measure frequencies up to 2.4 GHz, making it suitable for various electronic testing and hobbyist activities. The device is particularly appreciated for its ease of use and reliability, making it a favorite among enthusiasts and professionals alike.

One of the standout features of the Radio Shack 43-3903 is its broad frequency measurement range. It can effectively count frequencies in different modes, including RF, audio, and digital signals. This flexibility allows users to test and troubleshoot various devices, from amateur radio setups to RF broadcasting equipment.

The 43-3903 is equipped with a clear LCD display, which provides a readout of the measured frequency. This display makes it easy for users to view real-time data at a glance, enhancing the experience of monitoring signals. Additionally, it features a peak hold function that captures and displays the highest frequency measured during a test period, which is particularly useful for identifying transient signals.

Another notable technology incorporated into the Radio Shack 43-3903 is its automatic time base calibration. This ensures accuracy in frequency measurement, which is crucial for tasks that require precise tuning and testing. Furthermore, the device is designed with a convenient input for connecting antennas or direct signal sources, enhancing its utility in various applications.

The compact design of the 43-3903 ensures portability, allowing enthusiasts to carry it to different locations effortlessly. Its durability and build quality contribute to its longevity, making it a worthwhile investment for anyone involved in radio-related activities or electronics.

In summary, the Radio Shack 43-3903 is a reliable frequency counter that combines functionality with user-friendly features. Its extensive frequency range, clear LCD display, automatic calibration, and portability make it an essential tool for hobbyists and professionals in the field of electronics and communication. For anyone looking to explore the world of frequency measurement, the 43-3903 stands out as a practical choice that offers both performance and value.