29LOCKING YOUR KEYSETYou can allow/disallow incoming/outgoing calls from your keysetusing this option. There are three possible levelst:1. Unlocked - you can use your keyset without restriction,2. Locked all - prevents anyone from making or receiving calls fromyour keyset.3. Locked out - prevents anyone from making an external call butallows incoming calls as normal.• While on-hook, press TRSF and then dial 100.• Dial your four digit station passcode.• Dial 0 for Unlock,1 for Locked out.2 for Locked all,• Press TRSF to store your selection.NOTE: According to the status of your keyset, the following visualindication will be provided:Unlock as normalLocked out the HOLD key light will flash slowly.Locked all the HOLD key light will be on steadyOFF-HOOK VOICE ANNOUNCING(OHVA)Keysets may receive a voice announcement while on another call.The calling station must be a display Keyset or have an OHVA key.The OHVA feature will work with all types of call.To make an off-hook voice announcement:• Dial the extension number or press the DSS key.• When you receive a busy signal, press the OHVA key.• After the attention tone, begin speaking.• Finish the call by replacing handset or pressing the ANS/RLSkey.NOTES: 1. When you are voice announcing to a station close to you,use the handset to avoid an echo effect.2. You cannot off-hook voice announce to single linetelephones or Keysets in DND.