Extron Electronics MTP U R RS - Manual (Page 9)

Introduction, cont’d
MTP U R Series • Introduction 6
5 . Reinstall the four screws removed in step 2. If any
mounting brackets were removed in step 1, put them back
into position as you reinstall the screws
6 . If applicable, reinstall the receiver and reconnect all cables.
N
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 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 bi-directional when using
the RS-232 output insert connections on the switcher.
Setting JMP2 and JMP3 to positive vertical and/or
horizontal sync polarity
JMP2 controls vertical sync, and JMP controls horizontal sync,
and are to the left of JMP 1, when viewed from the rear of the
receiver. By default they are set to open (a single pin covered).
They can be repositioned to invert vertical or horizontal sync as
follows:
1
. If the unit is not already open, follow steps 1 and 2 on the
previous page to access the jumpers.
2 . Locate JMP2 and JMP3 on the main board. Remove and
reposition the jumper block over both pins (see figure 4).
Reposition the jumper
block to cover both pins.
Figure 4 — Inverting sync with jumpers JMP2 and 3
3 . Replace the top cover and follow steps 5 and 6 above.
To reset the syncs to default, open the unit and turn the
applicable jumper block to cover only a single pin, as desired.