Panasonic WJ-NX400K Operating Instructions Manual page 194

Symptom
An error message is displayed when
trying to launch the viewer software
by dragging and dropping multiple
files onto it.
When displaying images on a multi-
screen, images from two cameras
or more are displayed in sequence
on a screen of multiscreen.
The external storage device is not
recognized.
When opening the web browser of
the camera from the setup menu of
the web browser, H.264 images or
H.265 images are not displayed.
Cause/solution
• Decrease the number of the selected files or select files
after launching the viewer software.
• This may occur due to the display adapter and driver
combination. When this occurred, update the driver of
the display adapter to the latest version first.
• If updating the driver does not solve the problem,
adjust the hardware acceleration as follows. The
following are descriptions when using Windows 7.
1. After closing all web browser windows, right-click on
the desktop and select "Screen resolution" from the
displayed pop-up menu.
2. Click "Advanced settings" on the "Screen resolution"
window.
3. Select the [Troubleshoot] tab, and click the [Change
settings] button.
4. Disable the DirectDraw acceleration by adjusting the
performance level of "Hardware acceleration" on the
"Display Adapter Troubleshooter" window.
• Is the connected external hard disk drive or USB mem-
ory compatible with USB 3.0 or 2.0?
• Is the external storage device formatted in exFAT, FAT
(FAT16) or FAT32?
• Is the external storage device equipped with the pass-
word authentication function?
• Is the connected hard disk drive run by USB bus
power? The protection circuit function activates and
the power supply will be stopped. Make sure to use the
hard disk drive that runs using external power source.
• If the recorder is started up with a USB cable con-
nected, in rare cases, the external storage device may
not be recognized. Connect the cable after starting up
the recorder.
• The port forwarding function of this recorder is availa-
ble only in HTTP traffic and therefore, images are not
displayed. To display images, access the address of
the camera directly in the web browser.
194
Reference
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