Datascope System 98 Service Manual page 76

No Trigger
CORRECTIVE ACTION
| CONDITION
e An electrode is detached or
| malpositioned.
je An incorrect trigger source has
been selected.
ie There is inadequate signal
acquisition.
1.
. Select a different trigger source
. Try alternate/EXT lead selections.
Reattach or reposition the electrode.
using the TRIGGER SELECT keys.
Resume pumping by pressing the
ASSIST/STANDBY key.
. Adjust the ECG gain setting by
using the ECG GAIN Auxiliary
keys.
¡No Pressure Trigger
| CONDITION
CORRECTIVE ACTION
® The patients pulse pressure is
inadequate for pressure triggering.
1.
. If pressure trigger is required and
If appropriate, select a different
trigger source. Resume pumping by
pressing the ASSIST/STANDBY key.
MANUAL THRESHOLD is
selected, reduce the pressure trigger
threshold. Press the down arrow key
located in the Auxiliary keypad e
section until triggering resumes.
‧ There is no arterial pressure
waveform present.
. Verify that desired pressure
. Verify that a properly wired
.3. Verify that transducer has not
. Re-zero transducer, while vented,
waveform source, Ext/Internal, is
selected. Press the Pressure Source
key, in the Patient Waveform
keypad section, to change the
waveform source.
transducer or monitor cable is
connected.
inadvertently been left vented to
atmosphere following zeroing.
and reapply arterial pressure to
transducer.
1-72
System 98 Service Manual
Chapter 1, Operation