A: Ensure that the headset base is connected to the telephone's handset port and not the headset port (if the telephone has one) 5. Health and Safety Instructions. Please read the following safety and operational instructions before using your Leitner LH270 or LH275 headset. Please keep these instructions for your reference.. Leitner LH270 User Manual View and Read online. Est. reading time 11 minutes. LH270 Headsets manuals and instructions online. Download Leitner LH270 PDF manual.
Page 1 LH280 Manual.; Page 2 What's in the Box Your LH280 Headset Spare Eartips 205mAh 3.75v Lithium-Ion Battery Battery Compartment Cover 8.5v AC Adaptor RJ-9 Phone Cord Type A-to-Mini USB Cord.; Page 3: Table Of Contents Connecting with a Leitner Handset Lifter. Page 4 A. Base station 1. Battery indicator Base Station 2.. Telephone with a headset jack; Telephone without a headset jack; Cell phone or tablet; Electronic hookswitch; Remote handset lifter; How to. Make a call on your desk phone; Answer a call on your desk phone; Use UniBase; Adjust volume & go on mute; Activate auto on; Get the perfect headband fit; Pair a secondary headset; Charge a secondary headset