QA24 Addressable Annunciator

Adopted RS485 communication mode and installed easily.
Synchronous connection and the same operation interface with the control panel.
The number of ALARM, WIRE-BREAK, FAULT events can display on LED synchronously.
Security code to protect the encoding data of soware program from incorrect change.
Backlit LCD display (320 x 240) designed, (English: 600 digits) reviewed more than 6 events at the same time.

Displayed the status of a synchronous connection with addressable control panel.
Synchronizing function to check the signals of a fire alarm, wire break and fault.
The data of event logs, types of activation, areas, time (years/months/dates/minutes/seconds) and relays are available to check.
System database in non-volatile RAM & not IC programming settings. When it requires to upgrade, it is available to use personal computer to change the data on site.
Control of reset, the main sound, alarm bell and announce relay.