Agilent Technologies EXG Betriebsanweisung Seite 121

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Identifying Storage Problems (Options #A05 or StressWriter only)
6-6 Troubleshooting
Identifying Storage Problems (Options #A05 or
StressWriter only)
The following table shows symptoms and solutions to problems that can occur when
storing an ECG.
Table 6-3: Storage Problems and Solutions (Options #A05 or StressWriter only)
Message Likely Cause Possible Solutions
ECG too noisy to store Poor electrode contact.
Dry or dirty electrodes.
Lead wires may be pick-
ing up interference from
poorly grounded equip-
ment near the patient.
Patient cable is too close
to the cardiograph or
other power cords.
Use new electrodes.
Abrade skin. Reapply
electrodes. Check expira-
tion date on disposable
electrodes.
Route lead wires along
limbs and away from
other electrical equip-
ment. Fix or move poorly
grounded equipment.
Move the cardiograph
away from the patient.
Unplug the cardiograph
and operate on battery
power. Move other elec-
trical equipment away
from patient. Unplug
electric bed.
“Storage system full”
message appears when
fewer than 30 ECGs
are stored.
Storage memory gradu-
ally wears out after many
thousand store/erase
cycles.
Consequently, ECG stor-
age capacity decreases
gradually over the life of
the product.
If under warranty, call
service. Generally, stored
ECGs are retrievable. If
remaining ECG storage
capacity is unacceptable,
call service.
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