Extron electronic 68-1383-01 REV. E manual Changing the input level/peaking, Changing the skew

Changing the input level/peaking

Users can set the level/peaking value (from 000 through 255) for each input from the Picture Settings page. Level/peaking can be adjusted to compensate for longer cable runs on the inputs. Change the level/peaking setting for an input in any of the following three ways:

•Use the auto calibration function as follows:

1.Disconnect the power and RJ-45 cables at the MTP transmitter connected to input to be calibrated.

2.Connect the two cables to the MTP signal generator (included with most models, optional for the MTPX Plus 128).

3.If the input cable is longer than 300 feet (91.4 m), place the Pre-Peak switch on the MTP signal generator to on (up when the RJ-45 connector on the signal generator is to the right [see figure 86]). If the cable is shorter than 300 feet (91.4 m), place the switch down.

Pre-Peak on (up) (shown)

Power LED	Pre-Peak off (down)
Figure 86. MTP signal generator
NOTE:	The MTP signal generator does not work on cable lengths over
	400 feet (120 m). Set the level/peaking to its maximum value of 255.

4. Click the Auto button.

•Click the Level/Peaking up button or down button for the desired input.

•Directly enter a value into the Level/Peaking field.

HINT: Watch a display as you make adjustments.

Toggling output pre-peaking on and off

Users can toggle the pre-peaking value for each output on and off from the Picture Settings page. Click in the Pre-Peakingcheck box for the desire output to toggle the pre-peaking feature on and off for that output. Pre-peak alters the TP signal output to correct for long cable runs (see table 1 on page 5 for recommended maximum transmission lengths).

Changing the skew

Users can individually set the red, green, and blue skew setting for each input and output from the Picture Settings page. The skew settings correct skew delay (misconvergence) problems commonly encountered when using Category (CAT) 5, 5e, or 6 twisted pair (TP) cables for RGB or

component video transmission.

MTPX Plus Series • HTML Operation 139