44Expanding the SystemAdding a sub monitor station (REGISTRATION)Up to 4 sub monitor stations including your original one can be registered (page 4).Registration to the main monitor station is required. Charge the sub monitor station to be registered for about 30minutes before registration.Registering the sub monitor station to the main monitor station (REGISTRATION)Place the sub monitor station to be registered near the main monitor station and then operate the sub monitorstation within 2 minutes in succession to the operations of the main monitor station.Using the main monitor stationXX{OFF}{PAGE}{MENU}{VOLUME}1 Press {MENU}, then select “REGISTRATION/CANCELLATION” by pressing {VOLUME} (▲ ) or{PAGE} (▲).FUNCTION SETTINGSTIME AND DATE SETTINGSRING TONE SETTINGSCONNECTED DEVICE SETTINGSREGISTRATION/CANCELLATION2 Press {MENU} (OK), then select “REGISTRATION”by pressing {VOLUME} (▲ ) or {PAGE} (▲).3 Press {MENU} (OK), then select “SUB MONITORSTATION” by pressing {VOLUME} (▲ ) or{PAGE} (▲).4 Press {MENU} (OK), then select the sub monitorstation to be registered by pressing {VOLUME}(▲ ) or {PAGE} (▲).5 Press {MENU} (OK).Using the sub monitor station{D}{MENU}6 Press {MENU}.SETTING/SUB1/1REGISTRATION7 Press {D} (OK).REGISTERED8 To end the operation, press {OFF} on the mainmonitor station.N To register a canceled sub monitor station(page 46) again6 Press {MENU}, then select “REGISTRATION” bypressing {▲ } or {▲}.7 Press {D} (OK).8 Press {D} (OK).9 To end the operation, press {OFF} on the mainmonitor station.Operate with the sub monitor station within 2 minutes.