natus Grass S88X, User & Service Manual

Page: 38 / 64

7-38
Chapter 7
Operation
t
raiN
P
arameters
f
uNctioNs
To select TRAIN PARAMETERS FUNCTIONS proceed as follows.
1. Press the SETUP touch-pad control.
2. Toggle down the list to TRAIN PARAMETERS FUNCTIONS by using the
TIMING thumbwheel control.
3. Press the ENTER/ACCEPT touch-pad control.
4. S1 TRAIN DELAY, S2 TRAIN DELAY, TYPE OF TRAIN PARAMETERS, and TRAIN SYNC
LOCATION will be displayed. Select the desired function by using the
TIMING thumbwheel control.
5. Press the ENTER/ACCEPT touch-pad control again.
S1 & S2 t
rain
D
elay
Applications occasionally require an adjustable delay before a train of
pulses is delivered to the preparation. The
S1 TRAIN DELAY and S2 TRAIN DELAY
function allows the placement of the delay prior to the onset of the train.
For example, suppose it is desired to deliver a single train of pulses from
the S1 output with the following parameters:
Train Delay = 1 second
Train Duration = 200 ms
Number Pulses in Train = 10
Pulse Duration = 1 ms
Output Amplitude = 10 volts
The setup should be as follows:
1.
Press the SETUP touch-pad control and select TRAIN PARAMETERS
FUNCTIONS
.
2. Press ENTER/ACCEPT and select S1 TRAIN DELAY
,
then ENTER/ACCEPT
.
3. In the next display, set the S1 TRAIN DELAY to 01.000 (seconds), and
press ENTER/ACCEPT
.
4. Select S1 FUNCTION and select FUNCTION = SINGLE TRAIN (ST)
.
5. Select the TRAIN DURATION and enter
00.200
(seconds).
6. Select TIMING RATE and enter
0050.00
PPS.
7. Select TIMING DELAY and set to minimum.
8. Select TIMING DURATION and set to
00.00100
(seconds).
9. Set the OUTPUT AMPLITUDE to
010.00
(volts).
10. To initiate the train, press the S1 SINGLE touch-pad control.