6812MAINTENANCE1112PROBLEM POSSIBLE CAUSE SOLUTION REF.N Troubleshooting If your receiver seems to be malfunctioning, please checkthe following points before sending it to a service center.No power comes on.No sound comes from thespeaker.Sensitivity is low and onlystrong signals are audible.Frequency cannot be set.No beep sound.Receive audio is distorted.Desired Set mode itemcannot be selected.Programmed scan doesnot start.M e m o r y o r b a n k s c a ndoes not start.Installed batteries cannotbe charged.• The batteries are exhausted.• The battery polarity is reversed.• Volume level is too low.• Squelch level is set too tight.• Different tone is selected with tone squelch.• Attenuator function is activated.• The lock function is activated.• Beep tones are turned OFF or the beep tonelevel is too low.• The operating mode is not selected correctly.• “EXPAND” item is set to OFF.• Some Set mode items can be selected in the AMor FM broadcast band only.• Program scan edges are not programmed.• No or only one memory or bank channel isprogrammed.• The batteries over discharged.• Replace the batteries or charge the batteries.• Check the battery polarity.• Push [Y] to obtain a suitable level.• While holding down [SQL], rotate [DIAL] to set thesquelch level.• Turn the appropriate function OFF.• While holding down [FUNC], push [SQL] to turnthe attenuator function OFF.• While holding down [FUNC], push [ ](BAND)for 1 second to turn the function OFF.• Turn beep tone ON or set the beep tone level toappropriate level in the Set mode.• Push [MODE] repeatedly to select a suitableoperating mode.• Turn “EXPAND” item ON.• Choose the AM or FM broadcast band.• Program a pair of scan edge channels.• Program at least 2 memory or bank channels• Re-install the batteries (wait at least for 1 second),then plug the AC adapter while holding down [FUNC].pgs. 5, 6p. 5p. 11p. 12p. 35p. 13p. 10p. 41p. 12p. 39p. 7p. 27pgs. 16,17p. 6