4000 Digital Series II Issue 2.1 Technical Manual
STA0381 Page 39
2.2.14 PD4232RBL LCD Key Panel and Rotary Encoder (3RU)
2.2.14.1 PD4232RBL Front View
Figure 31 - PD4232RBL Front View
1 Microphone Socket 9 Main Volume Indicator LEDs
2 Level Control 10 Main Volume Control
3 Direct Access Key (DAK) 11 Scribble Strip
4 Indicator LED 12 Soft Pushbutton
5 Loudspeaker 13 Headset Select Pushbutton
6 Auxiliary Volume Control 14 Shift Pushbutton
7 Auxiliary Volume Indicator LEDs 15 Microphone Mute Pushbutton
8 Loudspeaker Cut Pushbutton 16 Headset Socket