
GVR3550 USER MANUAL
Grandstream Networks, Inc.
GVR3550 User Manual
Page
23 of 76
Firmware Version 1.0.0.0
Last Updated: 10/2013
Check whether a fluorescent lamp is being used nearby
If the remote still can’t function properly
beyond the above situations, please change a remote and try again,
or contact the device provider.
USB MOUSE AND KEYBOARD
When the USB mouse is plugged into the GVR3550, users could make the following operations with the
mouse:
Single click the left mouse:
Enter a functional menu.
Select one function and enable it.
Bring up the drop-down list when clicking the combo box.
Switch input methods in the input box, click on the corresponding symbol buttons on the soft keyboard to
input numbers.
Double click the left mouse:
Double click on one channel screen to switch to full screen in multi-screen view mode. Double click again to
exit full screen and go back to the previous multi-screen status.
Single click the right mouse:
Bring up the shortcut menu in realtime monitoring mode.
Do not save the setup menu content and exit the current menu, go back to the preview screen.
Scroll wheel:
Scroll up and down the list box.
MouseMove.
Select the entry or move one item of them with cursor.
NOTE:
If in a rare case that the mouse is not detected, the possible reason may be that the mouse is not
compatible with the GVR3550, please replace the mouse.
INPUT METHOD
The GVR3550 supports both English and Chinese input methods, the input interface is as shown below.
Figure 9: GVR3550
Soft Keyboard---English Input Method