Mtp/hdmi u r • setup guide, Input signal detection and front panel leds, Adjusting peaking and level – Extron Electronics MTP_HDMI U R Setup Guide User Manual
Page 2: Setting the jumpers, Setting jmp1 for rs-232 communication
68-1727-50 Rev. D
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MTP/HDMI U R • Setup Guide
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Input Signal Detection and Front Panel LEDs
ANALOG
SIGNAL
AUDIO
RS-232
VID
Y/C
YUV
RGB
The unit has the ability to output analog and digital signals simultaneously. Check that the displayed output is correct.
The MTP/HDMI U R detects the input signal format, and the appropriate front panel LED (VID, Y/C, YUV, RGB) lights.
When a digital (HDMI) signal is detected, the output is made on the digital HDMI output connector and the Digital Signal
LED lights.
The audio LED is always on, unless an RS-232 signal is detected on the MTP input. The unit differentiates between audio and RS-232 on the MTP
input and routes the signal to the appropriate connector.
Adjusting Peaking and Level
Image sharpness is adjusted with the
Peaking control. This applies only to the analog side of the device. Increased peaking compensates for
mid- and high-frequency detail loss. Minimum setting (full counterclockwise) is zero peaking.
Image brightness is adjusted using the
Level control.
PEAKING
LEVEL
RGB
For the best image quality, connect an oscilloscope or monitor, use a white field or color bar test pattern, and view the
image, adjusting either control as required (see the MTP/HDMI U R User Guide
for full details).
Setting the Jumpers
The MTP/HDMI U R receiver has three jumpers on the main board:
•
Jumper 1 (JMP1) controls RS-232 directional communication (bidirectional or unidirectional). This is in a closed position by default, and
configured to send serial data both ways, transmitter-to-receiver, receiver-to-transmitter (bidirectional).
•
Jumpers 2 (JMP2) and 3 (JMP3) control vertical and horizontal sync respectively (negative or positive), and are in an open position by default
and configured for negative sync (H-, V-).
Setting JMP1 for RS-232 Communication
Reposition the jumper
block to cover one pin.
JMP1 can be repositioned to enable unidirectional (one-way, pass-through) communication as follows:
1.
If applicable, disconnect all cables, remove the receiver from its installation location, and remove any
mounting brackets installed.
2.
Remove the two screws from either side of the receiver (four screws total) and lift the top cover off of the
receiver.
3.
Locate jumper JMP1 on the main board. Remove and reposition it over one pin (see the image on the right).
Setting JMP2 and JMP3 to Positive Vertical and/or Horizontal Sync Polarity
Reposition the jumper
block to cover both pins.
Horizontal and vertical sync polarity can be set by configuring the internal jumpers on the MTP/HDMI U R main board.
The default setting is negative sync (H- V-), and can be changed by resetting the position of the jumpers as follows:
1.
Follow steps
1 and 2 above
2.
Locate JMP2 and JMP3 on the main board. Remove and reposition the jumper block over both pins (see image
on the right). Repeat as desired for the second jumper.
After resetting any or all of the jumpers, replace the cover by reinstalling the four screws removed in step
2 of “Setting
JMP1 for RS-232 Communication,” above.
•
If any mounting brackets were removed, put them back into position as you reinstall the screws.
•
If applicable, reinstall the receiver and reconnect all cables.
NOTES:
•
JMP1 should be set to unidirectional when an MTP DA is installed as part of the system to avoid any RS-232/audio detection issues.
•
When an MTP/HDMI U R series receiver is used with an MTPX matrix switcher, JMP1 should be set to unidirectional for transmitter to
receiver communication, otherwise it should be set to bidirectional when using the RS-232 output insert connections on the switcher.
•
The analog RS-232 port DOES NOT support IR control.
To reset any of the jumpers to the default setting, open the unit and position the jumper block to cover or uncover both pins, as needed.