Page 2 - CAUTION
2 This symbol is intended to alert you to the presence of uninsu-lated dangerous voltage within the product’s enclosure thatmight be of sufficient magnitude to constitute a risk of electricshock. Do not open the product’s case. This symbol is intended to inform you that important operatingand mainte...
Page 3 - FEATURES; Its features include:; Studio-Quality Electret Condenser Microphone; — for clear voice; Adjustable Volume — gives you full control of the volume level.
3 FEATURES Your RadioShack ET-153 Super Lightweight Headset Telephone isa complete telephone with a headset and a dialer that connects toyour telephone line. The ET-153’s headset lets you keep your handsfree to do other things while you talk on the phone. The long headsetcable lets you move freely, ...
Page 4 - Hold Button; — lets you put a call on hold.; Ringer OFF/ON — lets you turn the ringer on or off.; — lets you redial the last number dialed with the touch of a
4 Hold Button — lets you put a call on hold. Flash — sends a timed electronic switchhook signal for use withspecialized telephone services, such as Call Waiting. Ringer OFF/ON — lets you turn the ringer on or off. Redial — lets you redial the last number dialed with the touch of a button. Belt Clip ...
Page 5 - Note: You must not connect the headset telephone to:; • coin-operated systems
5 Read This Before Installation We have designed your ET-153 to conform to federal regulationsand you can connect it to most telephone lines. However, each de-vice you connect to the phone line draws power from it. We refer tothis power draw as the device’s ringer equivalence number, or REN.The REN ...
Page 6 - CONTENTS
6 CONTENTS Preparation ................................................................................. 7 Connecting to the Phone Line ............................................... 7Adjusting the Headset ........................................................... 8Setting the Dialing Mode ..........
Page 7 - Preparation; Connecting to the Phone Line; Plug one end of the supplied modular cord into the telephone; jack on the
7 Preparation Connecting to the Phone Line 1. Plug one end of the supplied modular cord into the telephone line’s modular jack. Then plug the other end into the ET-153’s TEL. LINE jack. 2. Plug the headset’s mini plug into the HEADSET jack on the back of the ET-153. 43-891B.fm Page 7 Thursday, Febru...
Page 8 - Adjusting the Headset; Place the headset over either
8 Adjusting the Headset 1. Place the headset over either ear. 2. Adjust the headset band until it rests with almost no pressure on your ear and the top of your head. If the headset is loose, remove it and adjust it inward slightly totighten it. If the headset is tight, gently pull the headset bandou...
Page 9 - Route the headset’s modular
9 4. Route the headset’s modular cord through the lapel clip’schannel and attach the lapelclip to your clothing. Leaveenough slack in the cord soyou can move your head with-out pulling the headset. 43-891B.fm Page 9 Thursday, February 18, 1999 3:46 PM
Page 10 - Setting the Dialing Mode
10 Setting the Dialing Mode Set TONE/PULSE for the type of service you have. If you are not sure which type you have, do this simple test. 1. Set TONE/PULSE on the side of the dialer to TONE . 2. Press TALK/HANG UP so its indicator lights and listen for a dial tone. 3. Press any number other than 0 ...
Page 11 - Turning the Ringer Off/On
11 4. If you have pulse service, set TONE/PULSE to PULSE . If you have tone service, leave TONE/PULSE set to TONE . Turning the Ringer Off/On You can set RINGER to OFF or ON . With RINGER set to OFF , the dialer does not ring, but you can still make outgoing calls. If you hear anextension telephone ...
Page 12 - Using the Belt Clip
12 Using the Belt Clip Use the ET-153’s belt clip to hang the dialer on your waistband soyou can carry the dialer with you as you move around. To remove the belt clip from the ET-153, press the belt clip’s tab andslide it off in the direction of the ar-row. To reattach the belt clip to the ET-153, p...
Page 13 - Operation; Initiating the Switchhook; To initiate the switchhook function, hold down; Answering a Call; To answer a call, press
13 Operation Initiating the Switchhook You must initiate the switchhook function the first time you use yourET-153, and anytime you cannot get a dial tone. To initiate the switchhook function, hold down TALK/HANG UP for 2 seconds. Answering a Call To answer a call, press TALK/HANG UP , then speak th...
Page 14 - Placing a Call; cator lights. Then listen for a dial tone.
14 Placing a Call 1. With your headset on, press TALK/HANG UP so the green indi- cator lights. Then listen for a dial tone. 2. Dial the number you want to call. 3. To end the call, press TALK/HANG UP . The green indicator turns off. 43-891B.fm Page 14 Thursday, February 18, 1999 3:46 PM
Page 15 - Setting the Volume; lets you adjust the volume you hear through the headset.
15 Setting the Volume VOLUME lets you adjust the volume you hear through the headset. This is especially useful for people who are hearing impaired, orwhen you encounter poor phone lines or especially noisy areas. 43-891B.fm Page 15 Thursday, February 18, 1999 3:46 PM
Page 16 - Using Hold
16 Using Hold To place a call on hold, press HOLD . The red indicator lights to show that the call is still on the line. To release a call from hold, press TALK/HANG UP or pick up an extension phone on the same line. When you place a call on hold, you can disconnect the headset fromthe dialer if you...
Page 17 - Using Flash; provides the electronic equivalent of a switchhook signal, re-; again to alternate between the two calls.; Note: If you do not have any special telephone services, pressing; during a telephone conversation might disconnect your cur-
17 Using Flash FLASH provides the electronic equivalent of a switchhook signal, re- quired by some telephone services, such as Call Waiting. For example, if you have Call Waiting, you can put your current callon hold and take another incoming call by pressing FLASH . Press FLASH again to alternate b...
Page 18 - Using Redial
18 Using Redial To dial the last number dialed, press TALK/HANG UP , then REDIAL . Notes: • If you get a busy signal, you can press REDIAL again without pressing TALK/HANG UP . • If the phone line has Call Waiting or requires extra time to get a dial tone, one-touch redial might not work. If so, pre...
Page 19 - Using Tone Services with a Pulse Line; With; at the point where tone sig-
19 Using Tone Services with a Pulse Line Some special services, such as bank-by-phone, require tone sig-nals. If you have pulse service, you can still use these special toneservices. With TONE/PULSE set to PULSE , press at the point where tone sig- nals are required. Any additional numbers you dial ...
Page 20 - Troubleshooting
20 Troubleshooting If the headset’s volume level drops or if the phone begins to makeunusual sounds, determine if other phones on the same line havebeen picked up. In areas with low telephone voltage, the ET-153might not operate when other phones are active on the same line.Hanging up the other phon...
Page 21 - Care and Maintenance
21 Care and Maintenance Your RadioShack ET-153 Super Lightweight Headset Telephone isan example of superior design and craftsmanship. The followingsuggestions will help you care for the ET-153 so you can enjoy it foryears. Keep the ET-153 dry. If it gets wet, wipe it dry imme-diately. Liquids might ...
Page 22 - The FCC Wants You To Know
22 Wipe the ET-153 with a damp cloth occasionally tokeep it looking new. Do not use harsh chemicals,cleaning solvents, or strong detergents to clean theET-153. Modifying or tampering with the ET-153’s internal components cancause a malfunction and might invalidate the ET-153’s warranty andvoid your ...
Page 23 - Lightning
23 Also, the phone company can make changes to its lines, equipment,operations, or procedures that could affect the operation of this tele-phone. The telephone company notifies you of these changes in ad-vance, so you can take the necessary steps to prevent interruptionof your telephone service. Lig...
Page 24 - Notes
24 Notes 43-891B.fm Page 24 Thursday, February 18, 1999 3:46 PM
Page 27 - Limited One-Year Warranty
27 Limited One-Year Warranty This product is warranted by RadioShack against manufacturing defects in materialand workmanship under normal use for one (1) year from the date of purchase fromRadioShack company-owned stores and authorized RadioShack franchisees anddealers. EXCEPT AS PROVIDED HEREIN, R...
Page 28 - We Service What We Sell
RadioShack A Division of Tandy Corporation Fort Worth, Texas 76102 03A99 Printed in China (Continued) This warranty does not cover: (a) damage or failure caused by or attributable to acts ofGod, abuse, accident, misuse, improper or abnormal usage, failure to follow instructions,improper installation...
