Extron Electronics SEQ 100 15HD User Manual

Setup Guide — SEQ 100 15HD

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P

OWER

12V
.5

A

M

AX

INPUT O

UT

P

UT

C SYNC

SOG

C VIDEO

N/C

L

R

AU

D

IO

O

U

T

PUT

AV INPU

T

RGB

P

O

W

E

R

15V

.34A MAX

TP T 15HD

A

H-S

H
IF

T

BUFFERE

DCOMPUTER

INPUT

AUDIO

ID PIN 4
ID PIN 11

LOCAL MONITOR

Plasma/LCD
Display

Audio

Extron
TP T 15HD A

Twisted Pair
Transmitter

Extron
SEQ 100 15HD

Skew Equalizer

CAT5/5e/6
UTP Cable

Extron
TP R 15HD A

Twisted Pair
Receiver

PC

INPUT OUTPUT

POWER

12V
.5A MAX

GREENRED BLUE

Position Delay Position Delay Position Delay Position Delay

1
2
3

0 ns
3 ns
6 ns
9 ns

5
6
7

10 ns
13 ns
16 ns
19 ns

9
10
11

20 ns
23 ns
26 ns
29 ns

13
14
15

04812 30 ns

33 ns
36 ns
39 ns

This sheet provides quick start instructions for an
experienced installer to set up and operate the
SEQ 100 15HD Skew Equalizer.

Step 1 — Powering down and mounting

Power off all devices and disconnect them from the power source, then mount/locate the
SEQ 100 as desired.

Step 2 — Connecting the input and output devices

Connect an RGB source to the 15-pin HD input connector,
and connect an RGB display to the 15-pin HD output connector.
See the example application illustration below.

Step 3 — Connecting power

Plug the 12 VDC power supply into the 2-pole captive screw connector.

Step 4 — Adjusting for skew equalization

The skew equalizer provides 3 separate time delay circuits on the red,
green, and blue video lines. Each time delay circuit can be adjusted
using the three rotary switches, from 0 to 39 nanoseconds, to properly
align the red, green, and blue signals on the displayed image. To adjust the skew:

a. Rotate all 3 rotary switches to the zero ( ) position.
b. Use UTP cable test equipment or examine the displayed video image with a critical eye

to determine which video signal (red, green, or blue) is most shifted to the left.

N A crosshatch test pattern is ideal dor determining pair skew.

d. Adjust the left-shifted video signal’s rotary switch one step at a time while monitoring

the display. Step the switch until the video signal is properly converged.

N The SEQ 100 cannot shift the rightmost video image to the left.

e. If either of the other signals is misconverged, repeat steps a and b. See the table below

for switch positions.

68-962-50

Rev. A

02 09