Radio Shack owner manual ET-177 Desk/Wall Compact Telephone, Read this First, FCC Statement

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READ THIS FIRST

We have designed your telephone to conform to federal regulations and you can connect it to most telephone lines. However, each device you connect to the phone line draws power from it. This power draw is the device’s Ringer Equivalence Number, or REN. The REN is shown on the bottom of your phone.

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

If your phone causes problems on the phone line, the telephone company can disconnect your service. The phone company tries to notify you in advance. If advance notice is not practical, the telephone company notifies you as soon as possible and advises you of your right to file a complaint with the FCC.

The phone company can also make changes to its lines, equipment, operations, or procedures that could affect the phone’s operation. The phone company notifies you in advance, so you can take the necessary steps to pre- vent interruption of your phone service.

FCC STATEMENT

Your telephone complies with Part 68 of FCC Rules. You must, upon request, provide the FCC registration num- ber and the REN to your telephone company. These numbers are shown on the bottom of your phone.

Note: You must not connect your telephone to:

Coin-operated systems

Party-line systems

Most electronic key phone systems

CARE

Keep the phone dry.

Handle the phone carefully. Do not drop it.

Do not use or store the phone in temperature extremes.

Keep the phone away from dust and dirt.

Do not modify or tamper with the phone’s internal com- ponents. Doing so might invalidate the phone’s war- ranty and void your FCC authorization to operate it. If the phone is not operating as it should, take it to your local Radio Shack store for assistance. If the trouble is harming the phone lines, the phone company might ask you to disconnect the telephone until you fix the problem.

Limited One-Year Warranty

This product is warranted by Radio Shack against manufacturing de- fects in material and workmanship under normal use for one (1) year from the date of purchase from Radio Shack company-owned stores and authorized Radio Shack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RADIO SHACK MAKES NO EXPRESS WAR- RANTIES AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES CONTAINED HEREIN. EXCEPT AS PRO- VIDED HEREIN, RADIO SHACK SHALL HAVE NO LIABILITY OR RE- SPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT 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, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS OF TIME, DATA, PROP- ERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCI- DENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RADIO SHACK HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

Some states do not allow the limitations on how long an implied war- ranty lasts or the exclusion 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 Radio Shack sales receipt as proof of purchase date to any Radio Shack store. Radio Shack will, at its option, unless otherwise provided by law: (a) correct the defect by product repair without charge for parts and labor; (b) replace the product with one of the same or simi- lar design; or (c) refund the purchase price. All replaced parts and prod- ucts, and products on which a refund is made, become the property of Radio Shack. New or reconditioned parts and products may be used in the performance 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 attrib- utable to acts of God, abuse, accident, misuse, improper or abnormal usage, failure to follow instructions, improper installation or mainte- nance, alteration, lightning or other incidence of excess voltage or cur- rent; (b) any repairs other than those provided by a Radio Shack 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, installation, set-up service adjustment or re- installation.

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

Radio Shack Customer Relations, Dept. W, 100 Throckmorton St.,

Suite 600, Fort Worth, TX 76102

We Service What We Sell

3/97

RADIO SHACK

A Division of Tandy Corporation

Fort Worth, Texas 76102

9A7

Printed in China

ET-177

Desk/Wall

Compact

Telephone

nTone or Pulse (Rotary) Dialing n Adjustable Ringer n Redial n Flash

n Mute

n Hearing Aid Compatible

Owner’s Manual

Cat. No. 43-583

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Contents Read this First ET-177 Desk/Wall Compact TelephoneFCC Statement CareUsing the Phone Installing the PhoneDesk Mounting Wall Mounting With or Without Wall Plate Handset Holder

ET-177 specifications

The Radio Shack ET-177 is a notable entry in the realm of portable personal computers developed during the 1980s, capturing the imagination of technology enthusiasts and everyday users alike. Launched by the iconic electronics retailer Radio Shack, this model represents a unique blend of innovation and practicality, paving the way for future portable computing solutions.

One of the key features of the ET-177 is its compact and lightweight design, which made it highly portable for its time. Weighing in at around 4.5 pounds and featuring a slim profile, users could easily transport it, making it ideal for business professionals and students alike. The device boasted a monochrome LCD display, which provided clear text and graphics, crucial for tasks such as word processing and programming.

At the heart of the ET-177 was its powerful Zilog Z80 processor, which delivered reliable performance for various applications. This 8-bit microprocessor was widely used in home computers, and it allowed the ET-177 to run a diverse array of software. With a base memory of 64 KB, the system could be expanded to accommodate growing user needs, enabling multitasking capabilities that were impressive for the time.

Another standout feature was the built-in BASIC programming language, which facilitated coding directly on the device. This made the ET-177 highly appealing to aspiring programmers and hobbyists looking to create their own software applications. Additionally, the presence of a floppy disk drive allowed users to store and transfer data conveniently, further enhancing productivity.

In terms of connectivity, the ET-177 offered various ports for interfacing with printers, modems, and other peripherals. This flexibility was crucial in an era where personal computing began to gain traction in both homes and businesses. The device also supported a range of communication protocols, enabling users to connect with other systems seamlessly.

Powering the ET-177 was a rechargeable battery, allowing for extended usage away from power outlets. This feature underscored the device's design philosophy focused on mobility and user convenience.

The Radio Shack ET-177 is a remarkable representation of early portable computing, characterized by its blend of functionality, user-friendly features, and innovative technology. As a significant contribution to the evolution of personal computers, it laid the groundwork for subsequent generations of portable devices, leaving an indelible mark on the industry.