Comelit MT 4478A TAS - Manual (Page 5)

5
SECTION 1
THE ART. 4478A/TAS SYSTEM KEYBOARD
1.1 PREFACE
The art. 4478A/TAS is a simple System Keyboard that allows matrix,
telemetry and VTR control. Twenty-five keys and their combinations
enable to control all the desired functions.
Six built-in LEDs show the momentary state.
1.2 FEATURES
•
25 Keys
•
6 LEDs
•
Serial Interface RS-485
SECTION 2
CONTROLS
2.1 FRONT PANEL