Troubleshooting; Front Panel Security Lockout (Executive Mode) - Extron electronics VSC 500 User Manual

Installation and Operation, cont'd

Front panel security lockout (executive mode)

To prevent accidental changes to settings, simultaneously press
the Next and Size buttons for two seconds to enable the VSC's
front panel security lockout (executive mode). Executive mode
locks all front panel functions except centering (shifting). When
executive mode is active, all functions and adjustments can still
be made through RS-232 control. For details on RS-232 control,
see chapter three.
To disable executive mode, simultaneously press the Next and
Size buttons again for two seconds.
2 sec.
Extron
VSC 500
2 sec.
NEXT SIZE
X-Mode
Enabled
NEXT SIZE
X-Mode
Disabled
Figure 2-20 — Front panel security lockout
2-24 VSC 500/700/700D • Installation & Operation
31.46KHz
59.94 Hz
Simultaneously press the Next and Size
buttons for 2 seconds to enable executive mode
and lock the front panel buttons. Executive mode
may be enabled at any time and while in any menu.
Press Next and Size again to disable executive mode.

Troubleshooting

The image should appear properly on the screen(s).
If the image does not appear
1. Ensure that all devices are plugged in.
2. Make sure that each device is receiving power.
Check the cabling, wiring, and grounding, and make
3.
adjustments as needed.
4. To test the system setup and output, substitute a video
test generator for the computer input.
5. Confirm that the input is receiving a signal with a
compatible scan rate (horizontal frequency between
24 kHz and 100 kHz, and a vertical frequency of 50 Hz
to 120 Hz).
6. Call Extron's customer support hotline if needed. Be
prepared to discuss the steps you have taken and the
equipment involved.
If the image does not display correctly
Symptoms
Adjust the centering and sizing controls
The picture is shifted
off the screen edges. (
The picture appears
Adjust the hue/ tint/ color controls on
without color.
display device.
Make sure that the video display/
recording equipment is using the same
standard (NTSC or PAL) as the VSC.
The color subcarrier phase (Sub Phase)
In a genlocked
might require readjustment.
system, displayed
color is incorrect.
The image still does Call Extron's customer support hotline.
not display correctly.
VSC 500/700/700D • Installation & Operation
Solutions
, ).
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