... by just pressing a button. LED receivrt How to work of this system,1. Put the ... waiter check the calling information, and then go to service for the calling customerFeatures of GDH5001, Compatible ... music time, or continuous playing4, Recipient Capacity up to 1000 pagers5 Can store 15 waiting service numbers ... 12/24 hour mode switch.7, Easy installation, simple operation, and self-test.8, it could be ...