User manual PLANTRONICS M140

[. . . ] 3. 2 Plug your telephone's handset cord into the M140 Amplifier handset jack 11 . 3. 3 Plug one end of the short cord 15 into the telephone jack 10 and the other end into the telephone handset jack on the telephone base. 3. 4 Connect the telephone plug end of the the long cord 14 into the front of the M140 Amplifier and attach the Quick Disconnect (QD) module end to any Plantronics H-Series professional headset. The M140 Amplifier requires power to work with most phones. 2. 1 Slide both batteries into the side of the M140 Amplifier as shown in the illustration. [. . . ] 6. 6 Snap in the compatibility slide switch cover 3 by positioning the two alignment guides into their slots and then pushing in and down until it snaps shut. The raised bumps on the access door will allow you to push in and slide it open at another time. 6. 7 After completing the call, return the handset to its cradle. 6. 8 To receive a call, remove the handset from its cradle, depress the headset button 6 and begin talking through your headset. 4 5. 42 6. 3 5. 3 If you hear a clear dial tone, you can proceed to Step 6. 5. 4 If you don't hear a dial tone, adjust the compatibility slide switch 2 following this process: Check the Default Settings Always start with these settings to use your headset. 4. 1 4. 2 6. 4 6. 5 1 Slide out the flat, plastic screwdriver 10 from the bottom of the amplifier. 2 Use the screwdriver to slide the compatibility slide switch 2 until you hear a clear dial tone. Experimenting with various switch settings will not harm the amplifier or your telephone. 5. 41 4. 1 Headset /handset selector button 6 is depressed (colored indicator showing). 4. 2 Mute button 7 is released (colored indicator not showing). 4. 3 Listen volume control 5 is set to 4. 4. 3 4. 4 The speak volume control 4 has been pre-set. 4. 5 Compatibility slide switch position 5. 2 in 4. 5 4. 4 6. 6 EXAMINE OTHER FEATURES 1 To receive calls with your headset 1. 1 Put on your headset. 1. 2 When your telephone rings, push the headset / handset button 6 (colored indicator is showing). Use the listen volume control on your amplifier to adjust the headset volume to a comfortable level. Confirm that the compatibility slider switch is in the correct setting for your telephone (see Step 5). You may want to try moving the switch through all of the positions until you hear a clear dial tone. If you are using batteries, confirm that they are good and placed in the battery compartment correctly. If you are using an AC power supply, confirm that it is plugged in and the power outlet is turned on. Confirm that the headset/handset selector button is depressed (colored indicator showing). Confirm that you have lifted the telephone handset out of the cradle. Confirm that the telephone handset cable and the short cord to the telephone are connected to the correct jacks (see Step 3). Confirm that the compatibility slider switch is in the correct setting for your telephone (see Step 5). You may want to try moving the switch through all of the positions until you hear a clear dial tone. I get a low pitched hum in my headset speaker and/or my callers complain they can hear hum. Try moving the telephone/amplifier compatibility slider switch through all of the positions until the hum disappears. I hear three `beeps' in the headset. My callers say that they can't hear me at all or they can't hear me very well. If you are using batteries to power the M140 Amplifier, three `beeps' tell you that the batteries are low and need to be replaced. See "Install Batteries" Step 2. Make sure the headset microphone is positioned in front of or near your mouth. If you are using a noise-canceling headset, the position of the microphone is very important. [. . . ] This warranty covers any defects in workmanship or materials in this product purchased in the U. S. For warranty information in other countries, contact your local distributor. This warranty runs for two years from the date of purchase. If the product is found defective, we will exchange it at no charge. [. . . ]