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How does the zoom mic option work, How are files erased from the recorder – Olympus DM-420 User Manual

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D I G I T A L T E C H N I C A L S U P P O R T

O L Y M P U S I M A G I N G A M E R I C A I N C .

( 8 8 8 ) 5 5 3 - 4 4 4 8

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Olympus Imaging America Inc.

Page 11 of 14

Last updated on September 24, 2009

Can I rename my files when they are displayed on my Computer?

Files in the DM-420 should not be renamed when displayed in a computer’s file-browsing
software (e.g. My Computer) because the recorder’s file-management software may not
be able to find a renamed file.

How does the Zoom Mic option work?

The

Zoom Mic menu option employs the DiMAGIC Virtual Microphone™ (DVM) audio

pickup system that allows more dynamic recording by focusing on sound from selectable
directions. It enables expansive stereo recording to high directivity recording using the
DM-420’s built-in microphones.
The options available in

Zoom Mic are: OFF, Wide, Narrow and Zoom.

The

Zoom option has the narrowest angle of reception and records only in monaural.

Because the DVM technology is tailored to the recorder’s microphone,

Zoom Mic is

incompatible with Olympus accessory microphones and third-party microphones.

How are files erased from the recorder?

Dictation, Audible, Podcast and Music files can be erased from the recorder by selecting
the file and pressing the [

ERASE] button. The LCD screen will highlight Cancel. While

Cancel is highlighted, press the [+] button to select File Erase, and then press the
[

OK] button. The LCD screen will display the File Erase screen with Cancel highlighted.

Press the [+] button to select

Start and then press the [OK] button. The LCD will then

display

Erase Done.

To erase all of the files in a folder, use the same procedure, but select

Erase in Folder

instead of

File Erase.

Note: Locked files and files that are set as read-only cannot be erased using this function.

I want to clear my recorder of all loaded files. How do I format the
recorder?

The recorder should be formatted only by using the internal

FORMAT function found in

the menu. Formatting using the computer may corrupt system files needed to run the
recorder and may delete the Voice Guide Data and Audible system files. When the
recorder is connected to a computer, individual files can be deleted using My Computer
without negative effects.

How do I charge the recorder’s rechargeable batteries?

The two bundled BR-401 NiMH batteries can be charged in the recorder via a USB
connection to a computer. The USB cable should be plugged directly into a computer
USB port and not into a USB hub. USB hubs split up the USB current and the battery
may not fully charge through a hub connection.
To charge the batteries through a USB port, first connect the USB cable bundled with
this recorder to a computer. Next, press the [

STOP] button on the recorder while

plugging the other end of the USB cable into the recorder. Charging will be displayed in
the charging indicator at the top of the LCD screen and the orange LED will be lit. The
LED will go out when charging is completed.
The batteries can also be charged using the optional

AC Adapter A-514

, which has a USB

plug on its cable. To set up the recorder to charge from the AC adapter, in the menu go
to

USB Settings > USB Connect > AC Adapter and press the [OK/MENU] button.