7
4.
EchoVoice® EV7™
can be only charged by 5V power source. Higher voltage can damage
the amplifier.
5.
Please fully charge amplifier before first use as it will extend battery life.
6.
Do not use in an environment that is damp, wet, very hot or very cold.
7.
To clean the EchoVoice® EV7 and its accessories, use only a soft cloth and an inorganic cleaner.
8.
We recommend using the Hearing Products approved mains adapter supplied with this voice
amplifier.
9.
Do not connect external audio signals into the MIC socket.
10.
When using the EchoVoice® EV7 basic safety precautions should always be
followed to avoid the risk of electric shock or personal injury.
11.
Please refer all servicing to qualified personnel only. Do not attempt to open the unit, this will
invalidate the warranty.
12.
Note: if the serial numbers or labels are removed your warranty is invalid.
