Try our Fax-on-Demand Information Services at: Tel. (800) 544-4660 (Prompt #4) The name Plantronics, the Plantronics logo and SoundGuard are registered trademarks of Plantronics, Inc. Vista, Quick Disconnect, Call Clarity, and SoundGuard Plus are trademarks of Plantronics, Inc.
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PL-104 A20 yellow 12/12/01 7:42 PM Page 4 WEL CO ME Thank you for selecting the A20 Telephone Headset Amplifier and Accessory Deck from Plantronics. This User Guide will help you install your Headset Amplifier and learn its basic operation. The Headset is described in a separate Guide which should be read prior to its use.
The product may fall, causing serious damage to the product. 6. This product should never be placed near or over a radiator or heat register. 7. This product is intended to be used only with a Plantronics supplied Class 2 Direct Plug-In Power Unit rated 9VDC 500mA.
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PL-104 A20 yellow 12/12/01 IMPORTANT SAFETY INSTRUCTIONS 10. To reduce the risk of electric shock, do not disassemble this product, but take it to qualified service personnel when service or repair work is required. 11. Avoid using telephone equipment during an electrical storm.
Connect the other end of the Short Cable handset line jack. Push the Headset Holder into one of the positions shown. 7:42 PM Page 7 to the A20 Telephone to the AC Power Adapter and Accessory Deck to your telephone’s...
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PL-104 A20 yellow 12/12/01 7:42 PM Page 8 STEP 1 ON LINE INDICATOR ASSEMBLY The Amplifier and Accessory Deck Package includes an On Line Indicator (OLI) to visually notify co-workers you are talking on the telephone. Select a position where the OLI can be placed–on your desk, on top of a computer monitor, or mounted on the wall.
PL-104 A20 yellow 12/12/01 STEP 2 PLACING A CALL With the Headset in position, place the Telephone Handset off-hook. If you do not hear a dial tone, press the Headset/Handset Selector Bar . Indicator lights will automatically display. If indicator lights are displayed and you still do not hear a dial tone, you may need to adjust the Configuration Setting Dial (see page 9).
PL-104 A20 yellow 12/12/01 7:42 PM Page 10 STEP 3 RECEIVING A CALL With the Headset in position, when your telephone notifies you of an incoming call, place the Handset off-hook. Press Headset/Handset Selector Bar once to display indicator lights and talk normally.
PL-104 A20 yellow 12/12/01 STEP 4 ADJUSTING VOLUME INCOMING VOLUME Select Listen Volume by pressing the Mode Selector Adjust the in-coming sound level with the Volume Rocker Switch up to increase, down OUTGOING VOLUME Select Speak Volume by pressing the Mode Selector...
PL-104 A20 yellow 12/12/01 CONFIGURATION SETTING The electronic configuration of telephone systems can vary. You can optimize the performance of your Amplifier by stepping through the four configuration settings. The Configuration Dial is located on the right side of the Amplifier behind the Handset Jack.
PL-104 A20 yellow 12/12/01 TROUBLESHOOTING I CANNOT HEAR A DIAL TONE. Press the Headset/Handset Bar. Check that all connections are correct and firmly in place. Ensure Headset is centered on your ear. Adjust Configuration Dial Setting (see page 9). I PLUGGED EVERYTHING IN BUT THE LIGHTS WON’T COME ON.
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PL-104 A20 yellow 12/12/01 7:42 PM Page 14 TROUBLESHOOTING THERE SEEMS TO BE MORE THAN ONE CONFIGURATION POSITION THAT I CAN HEAR DIALTONE IN. Use the position that either sounds best to you or the person you call. If both positions are the same then use the one you’re currently in–they are both valid.
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PLANTRONICS HELP DESK The Plantronics Help Desk is ready to assist you! Dial 1-800-544-4660 Monday through Friday 8:00 a.m. to 5:00 p.m. Pacific Standard Time or visit our website at...
Lightweight Extension Cord, 10’ (P/N 40711-01) Increase mobility in your work area; let’s you stay on the line while moving away from the amplifier. For information on supplies and accessories, call Plantronics at 1-800-544-4660, or visit the Plantronics website at www.plantronics.com...
PL-104 A20 yellow 12/12/01 FCC REGISTRATION INFORMATION FCC REQUIREMENTS—PART 15 NOTE: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. This device must accept any interference received, including interference that may cause undesired operation.
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PL-104 A20 yellow 12/12/01 FCC REGISTRATION INFORMATION 4. If the telephone company requests information on what equipment is con- nected to their lines, inform them of: The telephone number to which this unit is connected. The ringer equivalence number. The USOC jack required (RJ-11C).
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(“Warranty Period”). The obligation of Plantronics under this warranty shall be limited to repair or replacement, at Plantronics’ option, without charge, of any part or unit that proves to be defective in material or workmanship during the Warranty Period.