Special Features28For Call Waiting Service UsersPress if you hear a call-waiting tone while talking.• The first call is put on hold and you can answer the second call.• To return to the first caller, press again.• The call waiting service cannot be used when a parallel connected telephone is in use.• If this function does not operate properly, consult your telephone company fordetails.RECALL ButtonPressing allows you to use special features of your host PBX such astransferring an extension call or accessing special telephone services(optional) such as call waiting.Selecting the recall timeThe recall time depends on your telephone exchange or host PBX. You canselect the following recall times: “80, 90, 100, 110, 200, 250, 300, 400, 600,700 ms (milliseconds)”. Your phone comes from the factory set to “600 ms”.Make sure that the handset is on the cradle.1 Press .2 Scroll to “SET FLASH TIME ? ” bypressing [ ] or [ ].3 Press .4 Select the desired time by pressing[ ] or [ ].5 Press .• The display will return to step 2. To exitthe programming mode, press orwait for 60 seconds.• You can exit the programming mode any time by pressing .• If the unit is connected via a PBX, PBX functions (transferring a call, etc.) mightnot work correctly. Consult your PBX supplier for the correct setting.• If there is no battery, Flash function may not operate appropriately.RRRSET FLASH TIME ?:600MSOKSAVEDOK