
4000 Digital Series II Issue 1.4 Panel User Guide
STA0380 Page 91
4.8 PD4221 LCD Key Panel (2RU)
Figure 28 - PD4221 Front View
4.8.1 Microphone Socket
Insert the optional microphone into this socket. The detachable microphone is connected via a 3-pin
screw locking DIN connector.
4.8.2 Crosspoint Level Control
Press the pot switch above the Reply Key to activate Cross-point Level Control Mode. The red LED
associated with the controller is illuminated while Level Control Mode is active.
1 Microphone Socket 7 Soft Pushbutton
2 Crosspoint Level Control 8 Auxiliary Volume Control
3 Shift Pushbutton 9 Main Volume Control
4 Microphone Mute Pushbutton 10 Reply Key
5 Loudspeaker 11 Direct Access Key (DAK)
6 Headset Select Pushbutton 12 Headset Socket
Consult the Vitec Group Communications Installation Guide for fur-
ther details.
Contact Vitec Group Communications for suitable Microphone
options.
Vitec Group Communications can offer three different types type of
microphones - 100mm, 340mm and 490mm goosenecks.
All panels are available with DIN 5 headset connection.
1
6
3 4 5
10 9 811
12
7
2
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