ADPRO VM22A, Issue 6
6
5.3 VM22A
Links
There are a number of switches and links to configure the VM22A depending on the
application. The switches are accessible from the front panel. To alter the link
positions, remove the two screws from the lid and raise the lid to expose the circuit
board shown in Figure 3.
Figure 3 – Circuit Board
Link X6 - VM22 Compatibility
Link X6 sets the unit to operate as a VM22. When operating in VM22 mode,
cascading VM22A units is not possible, thus restricting control to 10 channels.
X6 LINK POSITION
SETTING
Pin 1 to Pin 2
VM22 Compatible
Pin 2 to Pin 3
Normal Operation (VM22A)
Link X3 – Audio Output
Link X3 (in conjunction with adjacent switch) controls whether the unit operates with
audio from each channel routed to (10) individual speaker outputs or selects the
EXTERNAL AMPLIFIER output.
X3 LINK POSITION
SWITCH
SETTING
Pin 1 to Pin 2
115
Individual Speaker Output
Pin 2 to Pin 3
240
External Amplifier
