GE H48612AA, Basic Service Manual

Page: 166 / 305

General Procedures and Functional Checks
4-42 LOGIQ V3/V5/V5 Expert – Basic Service Manual
5726264-100 English Rev.8
4-3-29 Cineloop Check
4-3-29-1 Introduction
A cineloop is a sequence of images recorded over a certain time
frame. When using ECG the time frame can be adjusted to
cover one or more heart cycles. When frozen, the System
automatically displays the cineloop boundary markers on either
side of the last detected heart cycle.
4-3-30 Preparation
• Connect one of the probes to the scanner.
• See 4-3-27 ‘Probe/Connectors Check’ on page 4-39 for info
about connecting the probes
For available probes, see
9-3-2 ‘Probe’ on page 9-5 :
• Turn ON the scanner. The 2D Mode is displayed (default
mode).
4-3-31 Adjust the Cineloop controls
• Press Freeze.
The left and right markers are displayed on either side of the
last detected heart cycle on the ECG trace.
• Press Freeze.
The selected heart beat is played back.
• Press Freeze to freeze the cineloop.
Use the trackball to scroll through the acquisition and find
the sequence of interest.
• Adjust Cycle select to move from heart beat to heart beat
and select the heart cycle of interest.
Adjust Num cycles to increase or decrease the number of
heart beats to be played back.
Adjust
Left marker and Right marker to trim or expand the
cineloop boundaries.
4-3-32 Back End Processor checks
• If all the previous tests have been passed successfully, the
Back End Processor is most likely OK.
If the system seems to be operating erratically, please refer
to
‘Diagnostics/Troubleshooting’ on page 7-1 .