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DMX-3901-A Installation and Operation Manual
9
Chapter 2: Installation and Removal
Setting Jumpers
Four jumpers, labelled J22, J23, J24, and J25, are located at the right
side at the back of the module. These jumpers determine the analog
audio output level for output channels 1, 2, 3, and 4 respectively.
Each jumper set consists of three pins, with Pin 1 marked by a white
triangle. When Pin 1 is covered by the jumper, the output is switched to
28 dBu. When Pin 1 is not covered, the output is switched to 18 dBu.
shows the location of the jumpers on the module.
Figure 2-1.
Location of Jumper Pins.
illustrates the jumper selection for either 28 dBu or 18 dBu
audio output setting.
Figure 2-2.
Jumper Selection for 28 dBu or 18 dBu Settings
J25
J24
J22
J23
VFD display
Back of module
Note
The module calibration is
performed with the jumper in
the default setting of 28 dBu.
28 dBu
18 dBu
Pin 1 board marker
Third pin
uncapped
First pin
uncapped
Содержание DMX-3901-A
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