Ambu aScope Gastro Bedienungsanleitung Seite 19

6.4. Working Channel
Possible Problem
Working channel
or access is
constricted or
blocked (accessory
instruments does
not pass through
channel smoothly).
6.5. Image Quality and Brightness
Possible Problem
No video image.
Image
suddenly darkens.
Blurry image.
Flickering images.
Possible Cause
Endoscopic accessory
is not compatible.
Endoscopic accessory
is open.
Working channel is blocked.
Biopsy valve is not open.
Possible Cause
aBox 2 or ancillary equipment
not switched on.
aScope Gastro connector
is not properly connected
to the aBox 2.
aScope Gastro is defective.
aBox 2 defective.
Camera or illumination failure.
Objective lens is dirty.
Water drops on the outside
of the lens.
Condensation on the inside
of the lens.
aBox 2 Image settings incorrect.
Signal interference from
activated high-frequency
current.
Recommended Action
Select a compatible
accessory.
Close the endoscopic
accessory or retract it
into its sheath.
Try to unblock it by
flushing sterile water
into the working
channel with a syringe.
Open the cap of
the biopsy valve.
Recommended Action
Switch aBox 2 and
ancillary equipment on.
Connect the aScope Gastro
connector properly to
the aBox 2.
Withdraw the aScope Gastro
and connect a new scope.
Contact your Ambu
representative.
Withdraw the aScope Gastro
and connect a new scope.
Rinse the objective lens.
Insufflate and/or rinse
to remove water drops
from the lens.
Increase the water
temperature in the water
container and continue to
use the aScope Gastro.
See aBox 2 IFU.
Use alternative mode or
settings on the HF-generator
with lesser Peak Voltage (pV).
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