Do not remove covers from this product unless expressly instructed to do so in this
Instructions for Use. Moving parts are present within this product. Removing covers could
lead to serious or fatal personal injury.
Covers should normally only be removed by qualified and authorized service personnel. In this
context, qualified means those legally permitted to work on this type of medical electrical product
in the jurisdiction(s) in which the product is being used, and authorized means those authorized by
the user of the product.
Use of an electrical product in an environment for which it was not designed can lead to fire or
explosion. Fire regulations for the type of medical area being used should be fully applied,
observed and enforced. Fire extinguishers should be available for both electrical and non‐
Only use extinguishers on electrical or chemical fires, which are specifically labeled for those
purposes. Using water or other liquids on an electrical fire can lead to fatal or other serious
If it is safe to do so, attempt to isolate the product from electrical and other supplies before
attempting to fight a fire. This will reduce the risk of electric shocks.
Electrostatic discharge (ESD) can amount to a significant voltage, which may cause damage to
PCBs or other system components.
Connections to sensitive parts are identified by the ESD warning symbol (see
inset).ESD damage is cumulative and may not be apparent at first, as indicated
by a hard failure, but can cause degraded performance. Therefore, always use
proper ESD handling procedures. ESD can result from low humidity conditions,
use of electrical equipment on carpeting, linens, and clothing.
1‐6 Important Information Expression MR400 Instructions for Use
Always wait at least ten seconds after the product is switched OFF before switching the
product back to ON.
Always use proper static procedures, protection, and product prior to opening and during
handling of this product. This product contains components that are electrostatic sensitive.
Failure to use ESD procedures may cause damage to these components. Such damage to
components is not covered by Philips warranties.