Turning on the pager 4. Various functions 4.1. Receive and read messages 4.2. Message protection and unlock 4.3.Messages deleting selectively 4.4. Delete messages 4.5. Time setting 4.6. Date setting 4.7. Alert setting 4.8. Audio alert setting 4.9. Time setting of mute receiving 4.10. Alarm setting 5. Attentions PG-2091F USER MANUAL VER:NEW ISSUE 2 OF 11 1. Appearance Read / replace key Setting / selection key Function key 2. Features and Icon Definitions (a) Features . 12 audio alerts . Vibratio