– 45 –To unlock your keyset:1. While on-hook, press the TRSF key and dial 100.2. Dial your 4-digit extension passcode.3. Dial 0 to set the keyset to Unlocked.4. Press the TRSF key to store your selection.Note:• If Locked Out is selected, the HOLD key will flash slowly.• If Locked All is selected, the HOLD key will light steady.Off-Hook Voice Announcing (OHVA)While engaged on another call, a keyset can receive voice an-nouncements (OHVA calls) from other keysets. OHVA calls, how-ever, cannot be received if a keyset is in DND mode or has an OHVABlock set (see below).Making OHVA CallsTo make OHVA calls to a busy extension you must have an OHVAkey.1. Dial the extension number or press the DSS key for the extension.2. When you receive a busy signal, press the OHVA key.3. After the attention tone, begin speaking.4. Finish the call by replacing the handset or pressing the ANS/RLSkey.Note:• If you are voice announcing to an extension close to you, use the handset toavoid an echo effect.• You cannot announce to single line telephones.