368TROUBLESHOOTINGNew20018TROUBLESHOOTINGPROBLEM POSSIBLE CAUSE SOLUTION REF.Even holding down , theDR mode will not appear.• There is no repeater list in your radio. • Reload the repeater list using the CS-51cloning software on the CD.• Enter the Repeater list data directly into thetransceiver.Sec. 17 of theAdvanced In-struction PDFSec. 9 of theAdvanced In-struction PDFEven holding down , thereceived call sign will not set tothe destination call sign.• The call sign has not been correctly received.• When a received signal is weak, or a signal isreceived during scanning, the call sign maynot be received correctly. In that case, “--------” appears and error beeps sound, and a replycall cannot be made.• Try it again, after the transceiver has cor-rectly received the call sign.—A Local area call can be made,but the Gateway call or desti-nation station call cannot bemade.• MY call sign has not been registered on aD-STAR repeater.• Register your own call sign (MY) on a gate-way repeater, or confirm the registration ofthe call sign.p. 4Position data cannot be re-ceived.• “External GPS” is selected in the GPS Set itemon the Menu screen, but an external GPS re-ceiver is not connected.• “OFF” or “Manual” is selected in the GPS Setitem on the Menu screen.• A GPS signal was not received.• Connect an external GPS receiver.• Select either “Internal GPS” or “External GPS”in the GPS Set item on the Menu screen.• Move until the GPS signal is received.After transmitting, “L” appearson the LCD.• While receiving through the internet, somepackets may be lost due to network error(poor data throughput performance).• Wait a while, and try it again.When the transceiver receives corrupteddata, and misidentifies it is as Packet Loss,“L” is displayed, even if it is a Local area call.—“DV” and “FM” icons alternatelyblink.• While in the DV mode, an FM signal is re-ceived.• Use a different operating frequency untilthere are no FM signals on the original fre-quency.—