ENGLISH
Mute Control Connections
For mute control, use either a latching switch or a momentary switch. The total resistance of the cable run from the switch to the DFR22 should be less than 100 ohms.
Figure 15 shows an example of how to connect either a latching |
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switch or a momentary switch to the Control Input pins to mute an |
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input or an output. | Switch | Ground |
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| (momentary or latching) |
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| MUTE CONTROL PIN CONNECTIONS |
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| Figure 15 |
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Gain Control Connections
For gain control, use either a potentiometer or two momentary switches (one for gain up and one for gain down). If you want to have multiple sets of gain controls acting on the same inputs or out- puts, use momentary switches connected in parallel. Figure 16 shows a typical connection between a potentiometer and the Con- trol Input pins. Figure 17 shows a typical connection between two momentary switches and the Control Input pins.
When using a potentiometer, the total resistance of the cable run should be less than 100 ohms.
When using momentary switches, the total resistance of the cable run should be less than 100 ohms.
NOTE: As supplied, the DFR22 control pins are configured for use with a 10 Kohm audio taper potentiometer. However, you can use the Potentiometer Calibration Wizard in the DFR22 software to configure the DFR22 for use with any 10 Kohm, 20 Kohm, 50 Kohm, or 100 Kohm linear or audio taper potentiometer.
AMX / Crestron Control Connections
You can connect an AMX or Crestron controller to the back panel
To access AMX/Crestron control codes for the DFR22, visit the DFR22 web page at http://www.shure.com/mixers/models/ DFR22.asp.
10kW Potentiometer |
(Audio Taper) |
GAIN CONTROL PIN CONNECTIONS USING A POTENTIOMETER
Figure 16
Switch |
(momentary) |
Switch | Ground |
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(momentary) |
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GAIN CONTROL PIN CONNECTIONS USING SWITCHES
Figure 17
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