The 4000 series digital video panel range compliments the VX2200 digital system. The digital module is built into 4000 series double modules and have either an alpha-numeric keypad (4202V/1/C) with standard key buttons 1-9, enter, 0, clear and A-F) or a numeric keypad with name scroll facility (4202V/1R/C with standard key buttons 1-9, enter, 0 clear and prev, call, next buttons).All panels incorporate features from other VX2200 digital panels; storing up to 255 users (up to 998 with the inclusion of a block exchangers 2206N), allowing each user to have a unique 4-6 digit access code, trade facility, multiple language display and speech board annunciation.The digital modules also includes a blue back-lit 2-line 16-character LCD display and speaker unit. They also incorporate microphone, speaker and speech balance control adjustments. The digital modules are available in either a flush 2-module backbox (4852) or a surface 2-module backbox (4882) and come in a stainless steel finish. In addition the digital panel includes a color CCD camera with IR illumination LED's that provide the best quality picture in any lighting condition with a 10° camera orientation adjustment. The camera can be set to work with either composite video (coax) or balanced video (non-coax twisted pair) and is protected behind a strengthened polycarbonate window. Programming is carried out using the built-in numeric keypad or by using the VX2200 PC software kit (SP37) which includes the programming software and a serial RS232 connection cable.