User's Manual

Grandstream Networks, Inc. GXP21xx User Manual Page 44 of 44
Firmware version: 1.0.1.83 Last Updated: 08/2011
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
—Consult the dealer or an experienced radio/TV technician for help.