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

h t t p : / / w w w . o l y m p u s a m e r i c a . c o m / s u p p o r t

Usage

How is the recorder turned off?

The recorder is turned off by sliding the [POWER/HOLD] control on the right underside of the recorder downward and then releasing it. The switch should then be moved upward to the HOLD position to prevent accidental activation of button functions.

How do I select which type of memory to use?

The selection of built-in memory or removable memory card is made in the menu. When a microSD or microSDHC card is inserted in the card slot for the first time and the recorder is turned on, the option to select the memory mode is displayed on the start-up screen. Thereafter the selection needs to be made in the Device Menu through the Memory Select function.

The available options are Built-in Memory and microSD Card. MicroSD and microSDHC cards from 512MB to 16 GB can be used. For optimum performance, it is advised to format the card the first time it is put in the recorder. If the card is being used for dictation and files are frequently erased, it is advisable to routinely download all of the files to a computer and format the card to keep it free of a build up of artifacts of previous files. Occasional formatting of the built-in memory using the menu Format function is also advised.

One advantage of recording to removable media is that multiple cards can be used to organize content (e.g. one can hold podcasts and another can hold a music library).

How is recording volume controlled?

By default, the DM-420 records automatically at 100% volume level to prevent accidentally recording with the volume set too low.

The recorder has three levels of microphone sensitivity:

•High: The highest recording sensitivity, it is suitable for conferences with large crowds and recording audio at a distance or low volume.

•Middle: Ideal for recording meetings and seminars with a small number of people.

•Low: The lowest recording sensitivity, it is suitable for close-up dictation. Microphone sensitivity is set via the MIC SENSE option in the recorder’s menu.

How is playback volume controlled?

The playback volume is controlled during playback by using the [+] (plus) and [-] (minus) buttons on the circular pad on the face of the recorder. Pressing [+] increases the playback volume. Pressing [-] reduces the playback volume.

How is the playback speed controlled?

The playback of files in the DM-420 can be changed to between 50% and 150% of the default playback speed in increments of 0.05. The tone of the file will be adjusted digitally without changing the pitch so that the recording sounds natural.

The play speed is changed in the recorder’s menu, under Play Speed. The options are:

•S. Play (Slow Play): x0.50 to x0.95 of normal speed in x0.05 increments

•F. Play (Fast Play): x1.05 to x2.0 of normal speed in x0.05 increments

S. Play and F. Play are not available while Noise Cancel is enabled. During fast/slow playback, files will be played in monaural even if they were recorded in stereo.

Olympus Imaging America Inc.

Page 10 of 14

Last updated on September 24, 2009