Troubleshooting - If No Image Appears - Extron electronics DTP T USW 233 User Manual

Selecting the switch mode
NOTE: In the auto-input switching mode that is available from the front panel, the
Turn auto-input switching mode on and off as follows:
1.
2.
Front panel security lockout (Executive mode)
The switcher has a front panel lock feature that locks the front panel. If you try to make front
panel input selections when the panel is locked, all front panel LEDs blink three times.
Toggle the front panel lock on and off as follows:
1.
2.
When the front panel is locked, contact closure, USB, and RS-232 control are still available.
Reset
Use the recessed rear panel
Reset to default settings — Press and hold the
6 seconds. All front panel LEDs cycle. Release the button. This reset is the equivalent of
issuing the
Troubleshooting — If No Image Appears
1.
2.
3.
4.
5.
switcher selects the highest numbered input with a sync signal present. See the
panel mode SIS commands on page 19 for an auto-input switching low mode, which
selects the lowest numbered input.
Press and hold the (Input 1) button and the button for the desired mode for
Mode
approximately 5 seconds (see figure 11):
Auto (Input 3) — The Auto Switch LED lights.
Normal (Input 2) — The Auto Switch Active LED goes off.
Press and HOLD the Mode button
and either the Auto or Normal button.
1 2
MODE
NORMAL
Figure 11. Selecting a Mode
Release the buttons.
Push and hold the
Input 1
seconds.
All front panel LEDs blink three times.
Release the buttons.
Reset
Reset
SIS command (
Ensure that all devices are plugged in and powered on. The switcher is receiving power
if one of the input LEDs is lit.
Ensure an active input is selected on the switcher or that the switcher is in auto-input
switching mode.
Ensure that the proper signal format is supplied.
Check the cabling and make corrections as necessary.
Call the Extron S3 Sales & Technical Support Hotline if necessary. See the Extron
website for the Extron office nearest you.
Auto Switch lights (auto)
or goes out (normal).
3
5
seconds
Release the buttons.
AUTO
, , and buttons simultaneously for 5
Input 2 Input 3
button to initiate reset as follows:
button for approximately
Reset
E }
ZXXX , see page 21).
DTP T USW 233 • Installation and Operation
Front
AUTO
SWITCH
15