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p/n 18603-001, Rev. J
LTV
®
1200, 1150, and 1100 Ventilator Service Manual
Page 9-3
NOTE
When the Extended Features PRESETS, PTNT QUERY menu option is set to QUERY ON and the
ventilator is powered up in normal ventilation mode, ventilation and alarm activation are suspended
and the message
SAME PATIENT
is displayed after completing POST tests.
Press the
Select
button to enable the suspended alarms and begin ventilation with the settings in
use during the last power cycle, or set the PTNT QUERY menu option to QUERY OFF.
3) Power the ventilator up and observe the POST tests. All POST tests must complete
normally.
A) Audible alarm is on within 1 second.
B) Confirming audible chirp occurs after alarm.
C) All displays (except
Vent Inop
) are lit for 3 seconds or less.
D) The following POST messages may be flashed in the message window.
CPU
SRAM
INT VECTOR
ROM CRC
EEPROM 1
75
EEPROM 2
75
EEPROM 3
75
E) When the POST tests are successfully passed, ventilation begins within 20
seconds.
4) Perform the following tests:
Ventilator Settings and Procedure
Performance Requirement
A) Set the vent to the following
settings and operate for a
minimum of two minutes:
Mode:
Volume, Assist/Ctrl
Low Press O
2
:
Off
(LTV
®
1200)
Breath Rate:
12
Tidal Volume:
500
Insp. Time:
1.0 sec
Pressure Support:
- -
O
2
%:
21
(LTV
®
1200)
Sensitivity:
3
High Pressure Limit:
100
Low Pressure Alarm:
5
Low Min Vol:
1.0
PEEP:
5 cmH
2
O
High PEEP Alarm:
Off
Low PEEP Alarm:
Off
High f Alarm:
Off
Selected Monitors should read as follows:
Exhaled Tidal Volume (Vte)
: 383 to 633 ml
I:E Ratio
: 1:3.8 to 1:4.2
Total Breath Rate (f)
: 12 bpm
Total Minute Vol (VE)
: 4.6 to 7.6 L
No alarms activate
75
The EEPROM messages will only be displayed prior to the first calibration or replacement of the Main PCBA.
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