6. Setting System Parameters and Systems Calibration
6-75
2. Display Brightness
There are nine levels of display brightness. Press DISPLAY BRIGHT to change
the present level of brightness to the next level.
3. Key Rate
The key rate sets up the sensitivity of the touch keys. There are three different
levels of sensitivity; FAST, MEDIUM and SLOW. The current level of sensitivity
is indicated on the key itself. The FAST setting requires the least amount of time
for a key to respond. The MEDIUM setting requires more time and the SLOW
key requires the most time and makes the touch keys least sensitive. The key
sensitivity is set at factory to Medium.
Note that this key changes the time required to depress a key for stroke to be recognized.
The pressure required is not affected.
4. Bolus Volume
The bolus volume can be set from 100 to 1000 ml (except 250ml for British Military
units) and can be changed from 100, 200, 400, 500, and 1000 ml each time SETUP
BOLUS key is pressed. The current bolus volume is indicated at the BOLUS status line in
the Calibration/Setup screen. The bolus volume is also displayed within the BOLUS key
in the Infuse screen (see Chapter One under Main Infuse screen).
5. Pressure Limit
The user can set the maximum allowable in-line pressure. The possible setting
ranges from 100 to 300 mmHg. The current pressure limit value is displayed on
the PRESS LIMIT status line on the Calibration/Set-Up screen. Press and hold
the key to change the limit in increments of 50 mmHg. During infusion, the
system keeps the pressure in the line under the pressure limit by reducing the
infusion rate as the in-line pressure approaches the pressure limit. The factory
default value is set at 300 mmHg.
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