Smart Technologies ID422w - Manual (Page 53)

43 | CHAPTER 5 – TROUBLESHOOTING
The “OUT OF SCAN
RANGE” message appears. • Make sure that the input video signal frequency
setting is 60Hz which is compatible with the
SMART Podium ID422w.
• Make sure that the video card’s resolution is
1920 × 1080 or lower.
• Make sure that the refresh rate (horizontal
frequency) is 30 to 80 Hz.
TIP
On a single monitor system, connect a
second monitor to change the refresh rate.
• Make sure that the refresh rate (vertical frequency)
is 56 to 76 Hz.
• Set the display properties to detect plug and
play monitors.
The screen flashes
multiple times. • Make sure that the refresh rate (vertical frequency)
is 56 to 76 Hz.
• Make sure that you are not using an input selector
switch box.
Colour quality is inaccurate. • Use the Reset OSD option to return the current
display parameters to the factory default settings.
When an image appears for
a long time without
refreshing the screen, an
after-image remains. • Use a screen saver or other power management
feature.
Symptom Solution