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16 

VP-23C - Hex Tables 

 

9 Hex 

Tables 

These tables list the Hex values (which the protocol in 

Section  10

  describes in 

more detail) for the VP-23C Presentation Switcher

Inputs 

Composite 
Video OUT 

s-Video OUT 

Component 
Video OUT 

VGA/UXGA 
OUT 

Group 

Composite 

Video 

In 1 

01 81 81 81 

 

 

 

In 2 

01 82 81 81 

 

 

 

s-Video 

In 1 

 

01 81 82 81 

 

 

In 2 

 

01 82 82 81 

 

 

Component 

Video 

In 1 

 

 

01 81 83 81 

 

In 2 

 

 

01 82 83 81 

 

VGA / UXGA 

In 1 

 

 

 

01 81 84 81 

In 2 

 

 

 

01 82 84 81 

In 3 

 

 

 

01 83 84 81 

In 4 

 

 

 

01 84 84 81 

  

Master Audio Selector  

Composite Video Group 

02 81 81 81 

s-Video Group 

02 82 81 81 

Component Video Group 

02 83 81 81 

VGA / UXGA Group 

02 84 81 81 

Microphone 

02 85 81 81 

9.1 

Audio Gain Control Hex Tables 

The next tables describe the audio gain controls: 

When controlling the VP-23C via RS-232, read the note to command 42 in the communication 
protocol. 

 

Set Relative Audio Gain of Master 

Audio Out Gain 

 

Gain by One 
Step 

Master Out 

Microphone 

16 81 80 81 

Mute 

 

Increase 

18 81 80 81 

18 82 80 81 

… 

 

 

Decrease 

18 82 81 81 

18 82 81 81 

16 81 D3 81 

-6dB 

 

 

 

 


 

 

 

 

 

 

16 81 DF 81 

0dB 

 

 

 

 


 

 

 

 

 

 

16 81 EB 81 

6dB 

 

 

 

 

… 

 

 

 

 

 

16 81 FF 81 

16dB 

 

 

 

 

For the microphone gain control,  
the second byte equals 82

 

Summary of Contents for VP-23C

Page 1: ...KRAMER ELECTRONICS LTD USER MANUAL MODEL VP 23C Presentation Switcher P N 2900 000202 Rev 3...

Page 2: ......

Page 3: ...tation Switcher 12 6 1 Operating your Switcher 12 7 Technical Specifications 14 8 Default Communication Parameters 15 9 Hex Tables 16 9 1 Audio Gain Control Hex Tables 16 10 Kramer Protocol 2000 17 Fi...

Page 4: ...in 11 groups that are clearly defined by function GROUP 1 Distribution Amplifiers GROUP 2 Switchers and Matrix Switchers GROUP 3 Control Systems GROUP 4 Format Standards Converters GROUP 5 Range Exten...

Page 5: ...com to check for up to date user manuals application programs and to check if firmware upgrades are available where appropriate 2 1 Achieving the Best Performance To achieve the best performance Use...

Page 6: ...master audio output which can select a signal from any of the 10 audio inputs In addition the VP 23C features 10 selector buttons and front panel control buttons for the master audio output level and...

Page 7: ...4 VP 23C Overview Figure 1 VP 23C Presentation Switcher...

Page 8: ...N 2 15 YC OUT 4 pin Connector Connect to the s Video acceptor 16 CV OUT RCA Connector Connect to the composite video acceptor 17 COMP UXGA IN 15 pin HD Connectors Connect to the component video or UXG...

Page 9: ...resentation Switcher Underside View Feature Function 1 NORMAL FLASH PROGRAM Switch Select between NORMAL for normal operation the factory default and FLASH PROGRAM to upgrade to the latest Kramer firm...

Page 10: ...for information For example for fuse replacement see the value printed on the product label The machine is earthed grounded in a reliable way and is connected only to an electricity socket with ground...

Page 11: ...One composite video source for example composite video player 1 to the CV IN 1 RCA connector One composite video source for example a composite video player 2 to the CV IN 2 RCA connector One compone...

Page 12: ...ojector 3 Connect the appropriate unbalanced stereo audio sources not shown in Figure 3 4 Connect the MASTER AUDIO OUT RCA connectors to an amplifier with speakers 5 Connect a dynamic or a condenser m...

Page 13: ...the unit via a crossed cable only pin 2 to pin 3 pin 3 to pin 2 and pin 5 to pin 5 need be connected to the RS 232 9 pin D sub port on the PC Note There is no need to connect any other pins I 4 N I 1...

Page 14: ...em adapter and connect the null modem adapter to the RS 232 9 pin D sub port on the PC The straight cable usually contains all nine wires for a full connection of the D sub connector Because the null...

Page 15: ...group and choose not to select a button from it You can switch One of the two composite video VIDEO CV inputs to the composite video output You cannot select more than one button in a section One of...

Page 16: ...the audio output The last selected button is illuminated in purple to indicate the source of the outputted audio signal When setting the master audio gain to its minimum the MUTE button illuminates W...

Page 17: ...eo UXGA on an 15 pin HD connector 1 VGA UXGA on an 15 pin HD connector 1 unbalanced stereo master audio channel 4dBm 50 on RCA connectors MAX OUTPUT LEVEL VIDEO 2 1Vpp AUDIO 27Vpp BANDWIDTH 3dB VIDEO...

Page 18: ...ion Parameters RS 232 Protocol 2000 Baud Rate 9600 Data Bits 8 Stop Bits 1 Parity None Command Format HEX Example Output 1 to Input 1 0x01 0x81 0x81 0x81 Ethernet IP Address 192 168 1 39 TCP Port Numb...

Page 19: ...84 84 81 Master Audio Selector Composite Video Group 02 81 81 81 s Video Group 02 82 81 81 Component Video Group 02 83 81 81 VGA UXGA Group 02 84 81 81 Microphone 02 85 81 81 9 1 Audio Gain Control H...

Page 20: ...lue to be set for N5 N0 2nd BYTE Bit 7 Defined as 1 I6 I0 INPUT When switching ie instruction codes 1 and 2 the INPUT 7 bits is set as the input number which is to be switched Similarly if switching i...

Page 21: ...Gain 4 Mix mode 9 57 SET AUTO SAVE 1 Autosave 2 No save 5 61 IDENTIFY MACHINE 1 or 2 Machine name 3 or 4 Program version 0 request first 4 digits 1 request first suffix 10 request first prefix 6 62 D...

Page 22: ...entify the switchers in a system If the INPUT is set as 1 or 2 the machine will send its name The reply is the decimal value of the INPUT and the OUTPUT For example the reply to the request to send th...

Page 23: ...ature ii Product modification orfailure to follow instructions supplied withtheproduct iii Repair orattemptedrepairby anyone not authorized by Kramer iv Any shipment of theproduct claims must bepresen...

Page 24: ...ributors visit our Web site where updates to this user manual may be found We welcome your questions comments and feedback Web site www kramerelectronics com E mail info kramerel com SAFETY WARNING Di...

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