Multi-unit Operation54Operating additional unitsAdditional handsetsUp to 6 handsets can be registered to asingle base unit.Important:L The additional handset modelrecommended for use with this unit isnoted on page 4. If other model handset isused, certain operations (handsetsettings, base unit settings, etc.) may notbe available.L Additional handsets will give you thefreedom to, for example, have an intercomcall with another handset while a thirdhandset is on an outside call.Additional base unitsHandsets can be registered to up to 4 baseunits, allowing you to add additional baseunits and extend the area in which yourhandset(s) can be used. If a handset movesout of range of its base unit when “Auto” isselected on base unit selection (page 55), itwill look for another base unit to make orreceive calls. A base unit and the handsets itcommunicates with is called a “radio cell”.Note:L Calls will be disconnected when thehandset moves from one radio cell toanother.Registering a handset to abase unitThe included handset and base unit arepreregistered. If for some reason thehandset is not registered to the base unit (forexample, w flashes even when the handsetis near the base unit), register the handsetmanually (page 54).To register an additional handset to abase unit (easy registration)After purchasing an additional handset,register it to the base unit. Ensure that theadditional handset is switched on. If it is noton, press and hold {ih} for few secondsto turn the handset on.1 Lift the additional handset and press{ih} to put the handset in standbymode.2 Press and hold {x} on the base unit forabout 3 seconds, until the registrationtone sounds.3 Place the additional handset on thebase unit. The registration tonecontinues to sound. With the handsetstill on the base unit, wait until aconfirmation tone sounds and w stopsflashing.Note:L If an error tone sounds, or if w is stillflashing, register the handset manually(manual registration; page 54).L If all registered handsets start ringing instep 2, press {x} to stop. Start again fromstep 1.L Charge the batteries of your additionalhandset for about 7 hours before initialuse.L This registration method cannot be usedfor handsets that have already beenregistered to a base unit. Register thehandset manually (manual registration;page 54).To register a handset to an additionalbase unit (manual registration)You can register a handset to a base unitmanually using the following method.1 J (centre of joystick) i m i L2 “Registration” i L3 “Register H.set” i L4 Select a base unit number. i LTG9120_40_50EX(e).book Page 54 Monday, August 7, 2006 3:52 PM