Elsa 22H99 User Manual

No 
pic-
ture

LED On?
(Green)

Check, if AC power chord is disconnected or monitor 
switched of.

LED Off

Is the monitor switched on?

Is the AC power chord properly connected?

LED On?
(Amber)

Signal cable disconnected?

BNC cables are misconnected or the green cable is discon-
nected 

Computer power switch

Power Management function is activ

The following message appears
ATTENTION
NO SIGNAL

Signal cable disconnected.

BNC cables are misconnected or the green cable is discon-
nected.

Computer power switch.

Power management function is active.

The following message appears
ATTENTION
SIGNAL FREQUENCY IS OUT OF RANGE

Input signal frequency range is disagreement

CGA Mode is not available.
MDA Mode is not available.
EGA Mode is not available.

Display is missing, center shifts, or too 
small or too large of a display size

Do "GEOMETRY-RESET"  or "ALL RESET" for a standard sig-
nal.

Adjust H-SIZE, V-SIZE, H-PHASE, and V-POSITION with non-
standard signals.

Monitor may not be able to get full-screen image depend on 
signal.  In this case, please select other resolution, or other 
vertical refresh timing.

Make sure you wait a few seconds after adjusting the size 
of the image before changing or disconnecting the signal.

Display is dark or too bright

"VIDEO LEVEL" is not at the appropriate position for your 
graphics adapter output.(0.7V or 1.0Vp-p)

No operation of the USB devices

[Generic USB HUB] is not listed in [Device Manager].

On the OSD screen, the Upstream port to which the USB 
device you want to use is connected is not colored by blue.