Polymate
®
YH-1000C Polysomnograph User Manual V3.1
46
③
Modify paper speed
This function is aimed at conveniently observing the waveforms of different types.
The tool
in the toolbar can zoom in and zoom out the time scale to change the
speed at which paper walks. The range is from 8s/page to 480 s/page.
④
Modify time display
This page provides many kinds of methods for the operator to locate any period of time
conveniently to observe the waveform and its parameters.
1) The two buttons
are used to slightly adjust the time back and forth as to when
the waveform shall be displayed, with five seconds as a pace.
2) The two buttons
are used for page turning with each page length depending on
the present speed of paper’s walking. For example, if the current displaying waveform
walks at 1 minute/page, it shows the waveform of either previous or next one minute upon
each clicking on the icons.
3) The bar
is a time vernier, which
could be dragged back and forth or clicked on to show a waveform in varying time ranges.
4) Moving the mouse cursor to the left or right edges of the waveform where the cursor
changes to an arrow, can make the waveform walking at the speed of 2 seconds /page
automatically.
5) The display contents can be located in accordance with the markings made by the editor
or the various events in the analysis. Refer to the event browse function and marking
function in the following parts for details.
⑤
Event browse
1
）
Respiration event
All the Respiration events are lined out with a series of colorful blocks in the graph, with the serial
number, the type and the length of each one annotated nearby. These Respiration events are
categorized into HYP, OSA, CSA, MSA which means hypopnea, obstructive sleep apnea, central
apnea and the mixed type apnea respectively.
And a previous event or next event can be easily located by clicking the
buttons.
2
）
Snore