RC−54DL是一个12按钮辅助键盘，带有旋钮和LCD显示屏。 RC−54DL通过KNET™连接到主控制键盘，例如RC−74DL，非常适合用作教室，会议室或礼堂中的远程辅助键盘，以方便地控制其多媒体设备。

　　Back Lit & Label Capable Buttons — 6 RGB–color, tactile feedback, backlit buttons. Buttons are grouped in 2 groups, 4 buttons in ‘SOURCES’ group, and 2 buttons in ‘DISPLAY’ group.

　　Custom Labeled, Removable Button Caps.

　　Volume Control Knob with LEDs — Bi–directional rotary dialed digital knob for volume control, with 5 LED bar for visual volume level feedback.

　　LCD Displays — 3 blue–color and 8 white–characters LCD displays, in 3 button groups, for programmed visual feedback indication and group configured labeling, such as knob control state of either audio or light level.

　　2 K–NET™ Connectors — Connects to master room controller, and auxiliary keypads for remote keypad control.

　　K–NET™ Single Link Connection — Provides a single keypad link cable–connectivity, carrying both power and keypad control communication information.

　　Program Control — Program configuration with Kramer K–Config software.

　　Keypad Lock–Out — Option for tampering prevention by locking and unlocking of the keypad buttons.

　　Mini USB Port — To upload configuration files, set the K–NET™ ID number, and power the device during configuration.

　　Mounting — In–wall, in standard 3 gang US wall junction boxes.

　　Easy Installation — Fits to standard in–wall boxes for simple and cost–reducing installation.

　　应用

　　教室