ADPRO VM22A, Issue 6 65.3 VM22A LinksThere are a number of switches and links to configure the VM22A depending on theapplication. The switches are accessible from the front panel. To alter the linkpositions, remove the two screws from the lid and raise the lid to expose the circuitboard shown in Figure 3.Figure 3 – Circuit BoardLink X6 - VM22 CompatibilityLink 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 SETTINGPin 1 to Pin 2 VM22 CompatiblePin 2 to Pin 3 Normal Operation (VM22A)Link X3 – Audio OutputLink X3 (in conjunction with adjacent switch) controls whether the unit operates withaudio from each channel routed to (10) individual speaker outputs or selects theEXTERNAL AMPLIFIER output.X3 LINK POSITION SWITCH SETTINGPin 1 to Pin 2 115 Individual Speaker OutputPin 2 to Pin 3 240 External Amplifier