Hitachi CHROMASTER 5160 Instruction Manual page 621

Disturbance by Electromagnetic Wave
This instrument conforms to Class A in the EN standards EN61326 (first edition 2002-02).
Avoid installing this instrument near equipment whose data will be affected by
electromagnetic noise within the permissible range of this standard.
Also, data of this instrument may be affected by electromagnetic noise or the instrument itself
may malfunction. In the room where this instrument is installed, the following electric
devices must not be brought: Devices which emit radio waves such as mobile phone,
transceiver, wireless telephone and similar small-power device.
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