
Trex™ HD Monitoring Amplifier
User & Service Manual
52
13. How to Disable Channels and Set Frequency
Disabling unused channels will help maximize battery life.
1.
In NeuroWorks or
SleepWorks,
choose
Edit >
Settings >
Acquisition
.
2.
Select
Trex HD
Ambulatory
in
the first drop-
down box.
3.
In the
Channel
Status
section,
select
Set
manually
.
4.
In the pane below, select the following channels:
•
All DC channels:
DC1
,
DC2
,
DC3
, and
DC4
•
Differential Channels
DIF2
,
DIF3
and
DIF4
*
•
Pulse Rate (
PR
) and Oxygen Saturation (
OSAT
)
5.
Click the
button.
6.
In the
Sampling Frequency
section, select
200
.
*
DIF1
should not be turned off because it is needed in order to perform the impedance check.