Toa EV-20R - Manual (Page 4)

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2. GENERAL DESCRIPTION
The EV-20R Sound Repeater is used to record and play back sounds produced from a microphone, CD player
or other sources. Its particularly ideal applications include repeated broadcasts of the same message in
schools, department stores and factories. Flash memory is used as a recording medium, and up to 4 different
messages can be recorded and played back. The Sound Repeater also permits broadcasts to be made
directly from the microphone or CD player without recording.
3. FEATURES
• A USB interface permits audio data to be transferred from a PC.
• Up to 4 messages can be recorded and played back.
• The maximum total recording time for the 4 messages is 6 minutes.
• Recorded data is not compressed, ensuring high quality sound output.
• A built-in power amplifier enables broadcasts with the simple connection of a speaker.
• Analog recording terminals enable direct recording from a microphone or CD player.
• Playback and stop functions can be remotely controlled by way of connected external equipment.
• Repeated broadcasts can be made.
4. HANDLING PRECAUTIONS
• Warning: This is a class A products. In a domestic environment this product may cause radio interference
in which case the user may be required to take adequate measures.
• Note: This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case
the user will be required to correct the interference at his own expense.
• To avoid radio interference, keep the unit and the optional AC adapter as far away as possible from radios or
wireless tuners.
• Do not open the case nor perform any modifications to the unit, as this may result in unit failure. Leave the
inspection, adjustment and repair of the unit's internal circuitry to your TOA dealer.
• The CD-ROM supplied with the unit is not for audio applications, and should not be used in an ordinary
audio CD player.
• Internal Copyright Acts prohibit the copy or use of commercially available music and sound data for
commercial purposes without the approval of the copyright holder. It is strongly advised that a copyright
lawyer be consulted when using such material.
• When cleaning the unit, be sure to switch off the unit's power first, then wipe with a dry cloth. Should the unit
become very dirty, use a cloth dampened in a neutral detergent. Never use benzene, thinner or chemically-
treated towels, as the unit's finish may be damaged.
• CD-ROM's sample audio data can only be used with the EV-20R, PM-20EV, EV-20A, EV-20S, and S-20S.
Never use the data with other products. When wishing to use them with other products than specified,
contact your TOA dealer.
5. PRE-RECORDED AUDIO DATA
The following 4 audio sources are pre-recorded in the unit when shipped from the factory.
* These audio sources are also contained in the supplied CD-ROM as sample audio data.
Note: The above audio sources can be overwritten by using the supplied software.
Message 1 Westminster chime*
Message 2 Ascending 4-tone chime*
Message 3 Descending 4-tone chime*
Message 4 None