Do not use in humid environment
Do not use the pre-amplifier in humid environment or in liquids in order to avoid electric shock and
damage to the device.
Maintain the device clean and dry
In order to avoid the influence of dust and humidity of the atmosphere, keep the device clean and
dry.
Electrostatic prevention
In order to avoid electrostatic damage, ensure grounding of both the exterior and interior
conductors before connecting to the pre-amplifier.
Ensure proper ventilation
In order to avoid damage to the pre-amplifier ensure proper ventilation.
Handle safely
Please handle safely during transportation to avoid damage.
Manual AFT400B – Rev. 1.02 dated 30/09/20 Page 7 (10)