7
16. Damage Requiring Service - Unplug this product from wall outlet
and refer servicing to qualified personnel under the following
conditions:
• when power supply cords or plugs are damaged;
• if liquid has been spilled or objects have fallen into the product;
• if the product does not operate normally by following the oper-
ating instructions. Adjust only those controls that are covered by
the operating instructions as an improper adjustment of other
controls may result in damage and will require extensive work
by a qualified technician to restore the product to its normal
operation;
• if the product has been dropped or damaged in any way;
• if the product exhibits a distinct change in performance - this
indicates a need for a service.
17. Replacement Parts - when replacement parts are required, be
sure the technician has used replacement parts specified by the
manufacturer or with the same characteristics as the original
part. Unauthorized substitutions may result in fire, electric shock
or other hazards.
Safety Instructions
EN_safety_adapter_10-21
18. Safety Check - Upon completion of any service or repairs to this
product, ask the service technician to perform safety check to
determine that the products is in proper operating condition.
19. Wall of ceiling mounting - The product should be mounted to a
wall or ceiling only as recommended by the manufacturer.
20. Heat - The power adapter should be situated away from heat
sources such as radiators, heat registers, stoves or other prod-
ucts that produce heat.
21. [Refer to products equipped with vacuum tubes] Tube Cage or
cover - For your safety and to protect the vacuum tubes this
product may be equipped with the factory installed vacuum tube
cage or cover.
It is not recommended to remove the cage or cover unless it is
required to change the vacuum tubes.
When the cage or cover is removed - do not touch the vacuum
tubes - they may be hot and burn the skin!
22. Operating Environment - Operating environment temperature and
humidity of the unit: +5°C to +35°C (+41°F to +95°F); less than
85% RH (cooling slots not blocked).
Summary of Contents for DA-400
Page 1: ...DA 400 DIGITAL TO ANALOG CONVERTER Instruction Manual Edition 08 2022 ...
Page 2: ......
Page 27: ...Notes ...
Page 28: ...Notes ...