Technical Manual
Issue 2.1
4000 Digital Series
II
Page 20
STA0381
2.2.8.2 PD4224R Front View
Figure 15 - PD4224R Front View
1
Microphone Socket
11
Main Volume Control and Associated LED
2
Direct Access Key (DAK)
12
Reply Key
3
Indicator LED
13
Call Reject Pushbutton and Associated
LED
4
Shift Pushbutton and Associated LED
14
Soft Pushbutton and Associated LED
5
Info Pushbuttonand Associated LED
15
Vacuum Fluorescent Display (VFD)
6
Loudspeaker Aperture
16
Headset Socket
7
Crosspoint Level Control
17
Headset Select Pushbutton and Associ-
ated LED
8
Rack Mounting Screws (cover removed)
18
Cover Over Rack Mounting Points
9
Auxiliary Volume Control and Associated
LED
19
Microphone Mute and Associated LED
10
Loudspeaker Cut Pushbutton and Associ-
ated LED
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