user manual
Contents 
iii
Figure 24: Atmel – Flip Window  39
Figure 25: Device Selection Window  40
Figure 26: Selecting the Device from the Selection Window  40
Figure 27: Loading the Hex  41
Figure 28: RS-232 Window  41
Figure 29: Atmel – Flip Window (Connected)  42
Figure 30: Atmel – Flip Window (Operation Completed)  42
Figure 31: The KFR-Programmer Window  44
Tables 
Table 1: Terminology Used in this User Manual  7
Table 2: Front Panel VP-23RC Presentation Switcher / Controller Features  10
Table 3: Rear Panel VP-23RC Presentation Switcher / Controller Features  12
Table 4: VP-23RC Underside Panel Features  13
Table 5: CAT 5 PINOUT  18
Table 6: PROGRAM Dipswitch Settings  21
Table 7: Connecting an RS-232 Port to a PC  23
Table 8: Dipswitch Settings  24
Table 9: Connection Scheme (for the example in Figure 16)  30
Table 10: The Commands Configuration  32
Table 11: Technical Specifications of the VP-23RC Presentation Switcher / Controller  46
Table 12: VP-23RC Hex Table  47
Table 13: VP-23RC Master Audio Selector Hex Table  47
Table 14: Set the Audio Output Gain Control for the Groups  47
Table 15: Set the Audio Output Gain Control for the Microphone  47
Table 16: Set the Audio Output Gain Control for the Master Audio  48
Table 17: Increase or Decrease the Audio Output Gain by One Step  48
Table 18: Protocol Definitions  49
Table 19: Instruction Codes  50










