User manual PLANTRONICS CS70

[. . . ] WARRANTY Limited Warranty · This warranty covers defects in materials and workmanship of products manufactured, sold or certified by Plantronics which were purchased and used in the United States. · This warranty lasts for one year from the date of purchase of the products. · This warranty extends to you only if you are the end user with the original purchase receipt. · We will, at our option, repair or replace the products that do not conform to the warranty. [. . . ] · Check that the AC charger is securely connected to a working wall outlet. · Check that the AC charger is the model supplied by Plantronics. · Check that the phone is connected to the base unit's phone cord jack and it is pushed in firmly. · Check that the phone handset is connected to the base's phone handset jack and it is pushed in firmly. · Headset may be out of range of the base. Move closer to base unit until headset is within range. Recharge the battery by placing the headset in the headset charging cradle or by using the AC charger supplied. I cannot hear a dial tone in any configuration position. I cannot hear caller/dial tone. To replace voice tube: 1. Slide in spare voice tube. 18 19 TROUBLESHOOTING Problem Solution SUBSCRIPTION The headset and base unit are supplied subscribed to each other. However, if you wish to use a replacement headset with the base unit, then the units must be re-subscribed. To do so, please follow the instructions on page 11 for Multi-Shift Pairing. Sound in handset is distorted/hear echo in handset. · Reduce speaking volume by changing the speaking volume major adjust switch setting. · Point microphone towards your chin. · Listening volume too high on phone. If your phone has a handset volume control, lower this until the distortion disappears. · If the distortion is still present, lower the listening volume adjust button on the headset. If the distortion persists, select another listening volume major adjust switch setting. · Base is too close to computer or phone. Perform system reset as described on page 21. Lower the speaking volume by adjusting the speaking volume minor adjust buttons on the base. If the volume is still too high, select another speaking volume major adjust setting. · Move the CS70 base further away from your phone. [. . . ] In most, but not all areas, the sum of the RENs should not exceed five (5. 0). To be certain of the number of devices you may connect to your line, as determined by the REN, contact your local telephone company. For product approved after July 23, 2001, the REN for this product is part of the product identifier that has the format US:AAAEQ##TXXXX. The digits represented by ### are the REN without the decimal point. [. . . ]