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SL MD-220 User's Manual
3.2.4 Status Outputs ....................................................................................................16
3.2.4.1 Status LEDs.....................................................................................................16
3.2.4.2 System Terminal Block....................................................................................17
3.2.4.3 Status Table ....................................................................................................17
3.2.5 RS-232 Interface.................................................................................................18
3.2.5.1 General ............................................................................................................18
3.2.5.2 Comm Parameters...........................................................................................18
3.2.5.3 Output Modes ..................................................................................................18
3.2.5.3.1 Voltage Mode .............................................................................................18
3.2.5.3.2 Percent Mode .............................................................................................19
3.2.5.3.3 Transmittance Mode...................................................................................19
3.2.5.3.4 Status Mode ...............................................................................................20
3.2.5.3.5 Off Mode.....................................................................................................21
3.2.5.3.6 Software Version Query..............................................................................21
3.2.5.3.7 Special Output Modes ................................................................................21
3.2.5.4 Commands ......................................................................................................21
3.2.5.4.1 System Reset Command............................................................................21
3.2.5.4.2 Threshold Reset Commands......................................................................21
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