Sharp IM-DR420H operation manual Troubleshooting

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IM-DR420H

Troubleshooting

Many potential "problems" can be resolved by the owner without calling a service technician. If something seems to be wrong with this product, check the following before calling your authorised SHARP dealer or service centre.

References

Troubleshooting-

 

-

The unit does not turn on.

"Is the AC adaptor disconnected?

"Is the battery exhausted?

"Is the unit in the hold mode?

"Has condensation formed inside the unit?

"Is the unit being influenced by mechanical shock or by static electricity?

No sound is heard from the earphones.

"Is the volume set too low?

"Are the earphones plugged in?

"Are you trying to play a MiniDisc with data on it in- stead of a MiniDisc containing music?

When the operation buttons are pressed, the unit does not respond.

"Is the unit in the hold mode?

"Is the battery exhausted?

"Is the earphones plug inserted firmly?

Some sounds are skipped.

"Is the battery exhausted?

"Is the unit being subjected to excessive vibration?

The MiniDisc cannot be ejected.

"Has the track number or character information been written on the disc yet?

"Is the unit in the recording or editing mode?

Recording and editing are impossible.

"Is the MiniDisc protected against accidental eras- ure?

"Is the unit connected properly to the other equip- ment?

"Is the AC adaptor unplugged or did a power failure occur whilst recording or editing?

"Is the unit in the hold mode?

"Is an optical signal being output from the stereo sys- tem? Read the operation manual for the stereo sys- tem.

The operation is unstable whilst the PC and the unit are connected.

"Are you using the USB cable that was purchased

separately?

The display does not show anything or malfunc- tions.

"Is the PC out of order?

"Are you using another application with this pro- gramme simultaneously?

Editing is not possible.

"Are the PC and the MD portable recorder connect- ed improperly?

"Is the MD recorder in the hold mode?

"Is a commercial playback-only MD inserted?

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Contents IM-DR420H Special Notes Special NotesImportant Introduction Portable MD player with Mobile 1-bit Digital amplifier FeaturesFeatures Pole plug earphone optimizes Mobile 1-bit digital amplifierContents Metal Hydride Battery AccessoriesAccessories Carrying Bag x CD-ROM x USB Connection Cable xNames of Controls and Indicators Important Introduction -Names of Controls and IndicatorsMain unit Display panel Remote control unitTOC Indicator Track Number Indicator ReferenceAvoid using or leaving the unit in the following places PrecautionsPrecautions Storing the unitUsing with the Rechargeable Battery Power Source -Using with the Rechargeable BatteryCharging the rechargeable battery Rechargeable battery About charging timePower Source -Using with the AC Adaptor/Alkaline Battery Close the battery coverDo not use a nickel-cadmium battery Inserting a MiniDisc Insertinga MiniDiscClose the compartment door IM-DR420HConnections ConnectionsCheck before connecting To cancel the hold mode IM-DR420HHold FunctionHold Function About the TOC Helpful tip when attaching a labelBefore Recording Before RecordingRecording Basic Operation -RecordingBefore recording Press the MENU/ENTER button To interrupt recordingTo stop recording Playback PlaybackBasic To customise low and high levels Volume controlBass control Emphasising low Lo and high Hi sound of BassTo locate the desired portion Useful Features -Advanced PlaybackAdvanced Playback To locate the beginning of a trackRandom play or repeat play Press the MENU/ENTER buttonLong-play recording Useful Features -Advanced RecordingAdvanced Recording Start recordingAbout Atrac About the recording modeIndication Recording mode LP4Press the or button repeatedly to se Lect REC ModePlayback sound-actuated recording 12Begin playback on the stereo systemTo create your own track numbers Recording tracks as a single trackNumbering restriction About sampling rate converter RecordingAbout track numbers Useful -AdvancedUseful Features -Recording from a Microphone Select the recording mode steps 1 5, 10Press the buttonRecording from a Microphone Adjusting the microphone recording level Manual Select the recording mode steps 1 5, Press the buttonTo stop recording Sound-actuated recording Mic Synchronised recording Ing start levelButton to select the record During a mic synchro recording Track intervalsDuring a mic manual recording Creating track numbers manuallyChanging Default Settings Useful Features -Changing Default SettingsChecking Displays To check the elapsed time and remain- ing time of the trackUseful Features -Checking Displays To display the playing time of an indi- vidual trackChecking the remaining amount of bat Tery level Creating disc and track names Titling a MiniDiscTitling a MiniDisc Enter buttonCharacters symbols To erase a characterTo enter a space To add characters What is a master MiniDisc?What is a MiniDisc for stamping? Stamping titles from another MiniDiscMaster MiniDisc operation 1 Insert a master MiniDisc TER buttonTo erase one track at a time Editing a Recorded MiniDiscEditing a Recorded MiniDisc To erase all of the tracks at onceStart playing the track to be divided into two To divide a trackTo combine tracks Combined, and press the buttonTo move a track Play the track to be moved, and pressListening through Another System Resuming auto playAuto play What is a Net MD portable recorder? About Net MDNet MD -About Net MD Restrictions on check-in and check-out Restrictions on audio dataHard disk space System RequirementsNet MD -System Requirements MB or moreNet MD -Software Installation Software InstallationInstallation of BeatJam Click BeatJam SetupIM-DR420HConnecting to a PC Net MD -Connecting to a PCUniversal Serial Bus controllers Connecting to aChecking the USB driver WindowsTransferring Data Checking outNet MD -Transferring Data MiniDisc System Limitations MiniDisc System LimitationsError Messages Error MessagesError Meaning Messages No Signal Tr. ProtectTroubleshooting TroubleshootingTroubleshooting/Maintenance MaintenanceCleaning If trouble occursSpecifications SpecificationsBattery life Input sensitivityOutput level Memo Memo Sharp Corporation

IM-DR420H specifications

The Sharp IM-DR420H is a cutting-edge digital radio that marries functionality with modern design to deliver an exceptional audio experience. This innovative device stands out in its category due to a multitude of features, technologies, and characteristics that meet the demands of both casual listeners and audiophiles alike.

One of the most notable features of the IM-DR420H is its advanced FM/AM tuner, which ensures crystal-clear reception for a wide range of stations. This radio also incorporates DSP technology, significantly enhancing sound quality by minimizing noise and distortion. Listeners can enjoy their favorite programs, music, and news broadcasts with remarkable clarity and richness.

The digital interface of the IM-DR420H boasts a user-friendly design, providing easy navigation through channels and settings. With a sleek, compact form factor, this radio is ideal for placement on a desk, kitchen counter, or bedside table, adding a modern aesthetic to any environment. Its ergonomic controls make operation straightforward, helping users to quickly adjust volume, switch between bands, or set alarms.

Another outstanding characteristic is the inclusion of Bluetooth connectivity. This feature allows users to stream audio wirelessly from their smartphones, tablets, or other Bluetooth-enabled devices, creating a seamless listening experience. The radio also supports USB playback, enabling users to connect flash drives loaded with their favorite songs for an expanded audio library.

The IM-DR420H is equipped with an intelligent alarm function, perfect for those who like to wake up to their preferred radio station or a built-in buzzer. Users can set multiple alarms, and the customizable snooze feature ensures that they can enjoy those extra few minutes of rest. Additionally, the device's built-in sleep timer promotes a soothing environment, allowing users to fall asleep to their favorite program.

Equipped with a high-capacity battery, the IM-DR420H ensures portability without sacrificing performance. Whether at home or on the go, this digital radio provides hours of uninterrupted listening.

In summary, the Sharp IM-DR420H combines a high-quality audio experience with modern technology, making it an excellent choice for anyone seeking a versatile and stylish radio. Its robust feature set ensures that users can enjoy music and broadcasts conveniently while enhancing their overall listening experience.
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