13318TROUBLESHOOTING1718PROBLEM POSSIBLE CAUSE SOLUTION REF.If your receiver seems to be malfunctioning, please check the following points before sending it to a service center.Does not turn on.No sound comes from thespeaker.Sensitivity is low and onlystrong signals are audible.Frequency cannot be setvia the PC key board.Program scan does notoperate.Memory scan does not op-erate.The Communication erroroccurs after launching theIC-PCR1500_2500 pro-gram.• An AC adapter is not connected to the Main unit.• An AC adapter is connected to the same AC outletwith a PC, printer, etc.• Volume is too low.• The audio mute function is activated.• Squelch is set too high.• Band scope function is activated in SSB or CWmode.• Antenna feedline or the antenna connector has apoor contact or is short circuited.• Squelch attenuator function is activated.• The receiver screen is not selected.• The squelch is open.• The start and end frequencies are the same.• The squelch is open.• Only 1 memory channel is programmed or otherchannels are set as skip channel.• The computer does not recognize the connectedMain unit.• The protector circuit of the power supply is acti-vated.• Check the connection.• Check the connection.• Right click [AF GAIN].• Push [MUTE] to turn the mute function OFF.• Set the squelch level to the threshold.• Pause or cancel the band scope function in SSB orCW mode.• Check, and if necessary, replace the feedline or sol-der the antenna connector again.• Push [ATT] to turn the Attenuator function OFF.• Click anywhere in the receiver screen first, theninput the frequency.• Set the squelch to the threshold point.• Set the different frequencies.• Set the squelch to the threshold point.• Program other memory channels or cancel thememory skip function in the desired channels.• Launch the program after approx. 20 sec. haspassed.• Use the supplied AC adapter, or a stabilized powersupply with large capacity.p. 1p. 1p. 52p. 56p. 53p. 98p. 1p. 59p. 48p. 53p. 71p. 49pgs. 70,86p. 27pgs. 1,2