Product Support

VN-7000

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What are the main features of this model?

The Olympus VN-7000 digital voice recorder employs CELP (Code Excited Linear Prediction) technology to maximize recording capacity. Its three recording quality modes offer users the option to record high-quality sound files or to use a lower-quality mode in order to extend the remaining recording time. The VN-7000 also includes an alarm and can be configured to automatically record unattended for a preset time period. The microphone and earphone jacks allow the use of audio accessories.

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What is CELP?

Code Excited Linear Prediction (CELP) is an audio technology initially developed for use in cell phones. CELP works by comparing incoming sound signals to a model of human voice phonetics and saving the difference as an error report. When playing back the file, the error report is compared to the model to reconstruct the recording. The benefit is a very detailed file that employs lower bit rates and lower sampling frequencies, resulting in more efficient use of the flash memory in the recorder.

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What is subband coding?

Subband coding is a data compression strategy that enables higher-quality compression of an audio file by dividing the input audio signal into subbands of the frequency range and separately encoding each subband using psychoacoustic technology. A common example of subband encoding is the mp3 (MPEG 1 audio level III) audio format.

When an audio signal reaches the human ear, the louder frequencies with higher energy mask nearby frequencies with lower energy, so the listener does not hear them. Subband coding discards the inaudible lower energy frequencies from the saved digital audio file, resulting in smaller digital files that can be played back using a lower bit rate.

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What are Index Marks?

Index Marks are digital tags that can be inserted into an audio file while recording or during playback. They are used to skip forward or backward in recordings to preselected points. Up to 10 index marks can be added to a single file. They are entered by pressing the recorderís [FOLDER/INDEX] button.

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What is VCVA?

Variable Control Voice Actuator (VCVA) is a function that configures the recorder to record automatically only when a preset level of sound is detected and to stop when the sound drops below that threshold. The purpose of the function is to eliminate ďdead airĒ during recordings, thereby creating smaller files and conserving memory capacity.

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How much recording time is available in the VN-7000?

CELP (Code Excited Linear Prediction) technology has dramatically increased the recording capacity beyond that of earlier generations of digital recorders. The actual length of potential recording time is governed by the selected recording mode.

An HQ (High Quality) mode recording uses more memory than an LP (Long Play) mode recording because the HQ mode makes a more-detailed digital record than does the LP mode.

The table below shows the approximate maximum recording times possible in each of the recording modes available in the VN-7000:

Recording Mode Maximum Dictation Recording Time
HQ Approximately 81 hours, 00 minutes
SP Approximately 215 hours, 50 minutes
LP Approximately 1,208 hours, 30 minutes

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How is the recorder powered off?

The recorderís [HOLD] switch is its power switch. Set the switch to HOLD when replacing batteries to preserve the recorderís time and date settings.

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How is the recording volume controlled?

The recorder always records at 100% volume level to prevent accidentally recording with the volume set too low.

The recorder has two levels of microphone sensitivity:

  • LOW is a low-sensitivity level used for dictation and close-up recording.
  • HIGH is a high-sensitivity level used in conference and lecture situations.

Microphone sensitivity is set in the recorder menu.

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How is the playback volume controlled?

The playback volume is controlled during playback using the [+] (Up) and [-] (Down) buttons on the keypad on the front face of the recorder. Pressing [+] (Up) increases the playback volume. Pressing [-] (Down) reduces the playback volume.

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Can playback speed be controlled?

Pressing the [PLAY] button during playback changes the playback speed to 75% normal speed. SLOW appears on the LCD screen during slow playback. Pressing the [PLAY] button a second time changes the playback speed to 150% normal speed. FAST appears on the LCD screen during fast playback. Pressing the [STOP] button stops the playback and resets the recorder to normal playback speed.

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How are files erased from this recorder?

To erase a selected file:

  1. Press the []or [] button to select the file.
  2. Press the [ERASE] button.
  3. Press the [] or [] button to select YES.
  4. Press the [PLAY] button. The selected file will be erased.

To erase the contents of a folder:

  1. Press the [] or [] button to select the folder.
  2. Press the [ERASE] button twice.
  3. Press the [] or [] button to select YES.
  4. Press the [PLAY] button. All the files in the folder will be deleted.

Erased files cannot be retrieved.

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How can I format the recorder?

The recorder is formatted using the CLEAR function. The CLEAR function erases the time and date settings as well as all of the recorded files. The procedure is as follows:

  1. Press and hold the [STOP] and [ERASE] buttons simultaneously for three seconds or longer.
  2. Press the [] or [] button to select [YES].
  3. Press the [PLAY] button. CHK will be flash on the LCD while the recorder is formatted. Once the operation has completed, the date and time settings must be reset.

In some instances, using the CLEAR function will reset the recorder if it is performing erratically. Files deleted using the CLEAR function cannot be retrieved.

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How does the TIMER function work?

The TIMER function enables the recorder to automatically record unattended for a preset time period. To program the recorder for timer recording, do the following:

  1. Open the menu by holding down the [DISP/MENU] button for three seconds or longer.
  2. Using the [+] and [-] buttons on the keypad, scroll down to TIMER.
  3. SET flashes on the LCD screen. Press the [PLAY] button.
  4. Enter the recording start time by setting the hour with the [+] or [-] button. Press the [] button to select the minutes setting, and then set the minutes value using the [+] and [-] buttons.
  5. Enter the recording end time by setting the hour with the [+] or [-] button. Press the [] button to select the minutes setting, and then set the minutes value using the [+] and [-] buttons.
  6. Press the [PLAY] button to set the time.

The [HOLD] switch must be in the power ON position. The recorder will record daily for the preset time period until the TIMER function is disabled. During TIMER recording, the recorder will use the recording mode and other settings that were in place when the TIMER function was enabled.

To disable the function, return to the TIMER function in the menu, set it to OFF and then press the [PLAY] button. This operation also deletes the start time and end time settings.

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How does the ALARM function work?

The ALARM function can be used to play back an audio file at a predetermined time. This means the recorder can be used for audio reminders or as a travel-alarm. An alarm setting must be attached to a particular file in a particualr folder. The recorder does not have to be set to the folder being used - when the alarm time comes, the recorder will find the file.

To set an alarm:

  1. Select or record a message file to be linked to the alarm.
  2. Open the menu by pressing and holdilng the [DISP/MENU] button for three seconds or longer.
  3. Using the [+] and [-] buttons on the keypad, scroll to the ALARM menu icon, which looks like this: .
  4. SET flashes on the LCD screen. Press the [PLAY] button.
  5. Enter the alarm time by setting the hour with the [+] and [-] buttons. Press the [] button to select the minutes setting, and then set the minutes value using the [+] and [-] buttons.
  6. Press the [PLAY] button to set the time.

When the alarm goes off, it will beep for five minutes or until any button is pressed to play the recording. The alarm will sound even if the [HOLD] switch is in the power OFF position. The alarm will sound daily until the ALARM is set to OFF.

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I am no longer able to record new files. Why not?

The selected destination folder and/or the recorder itself may be full. These troubleshooting tips will help you determine the cause:

  1. Press the [REC] button, and then look at the LCD screen. If the word "FULL" is displayed, the selected folder does not have enough room to record any more files. This recorder has four folders, each of which can hold a maximum of 100 files.

    Press the [FOLDER/INDEX] button to switch folders. There may be room in another folder. If all of the folders are full, or if the recorder has reached its total recording time, erase some files to free space for new recordings.

  2. With the recorder idle, press the [STOP] button repeatedly and watch the LCD screen. If the remaining recording time shows 00:00, the recorder has reached its maximum recording capacity. Erase some files to free space for new recordings.

    TIP: Recording modes affect the size of audio files recorded with this product. If space is running low, switch to SP or LP recording mode to extend the amount of recording time.

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