Starting Therapy Performing A Functional Test - ResMed C28173 Manual

248476r4.book Seite 22 Freitag, 28. Oktober 2011 3:10 15
The LCD screen
The LCD screen displays the menus, treatment screens and alarm status.
Warm-up feature H4i
ResMed USB stick
Mains power
External power supply
Internal battery
Title bar
Settings
Therapy status bar
Starting therapy
Performing a functional test
Perform a functional test under any of the following circumstances:
prior to the initial use of Stellar
•
in between patients
•
on long-term use patients, periodically as per the facility policy.
•
If any problems occur, see "Troubleshooting" on page 57. Please also check other provided
User Instructions for troubleshooting information.
1
Turn off the device by pressing the power switch at the back of the device.
2
Check condition of device and accessories.
Inspect the device and all the provided accessories. If there are any visible defects, the system
should not be used.
3
Check the circuit configuration.
Check the integrity of the circuit configuration (device and provided accessories) according to
the setup descriptions in this Clinical Guide and that all connections are secure.
4
Turn on the device and check alarms.
Press the power switch at the back of the device once to turn on the device.
Check that the alarm sounds a test beep and the LEDs (visual indicator) for the alarm signal and
the Alarm mute button flash. The device is ready for use when the Treatment screen is
displayed. If the display shows the Reminder screen, follow the instructions, then press
display the Treatment screen.
5
Check batteries.
Disconnect the device from the mains and external battery (if in use) so that the device is
powered by the internal battery. Check that the Battery use alarm will be displayed and the
battery LED is on.
Note: If the charge state of the internal battery is too low, or if the battery is empty an alarm
occurs. See the Alarm troubleshooting section on page 57 for further information.
Reconnect the external battery (if in use) and check that the LED for the external power supply
is lit. The External DC power use alarm will be displayed and the Alarm LED will light.
Reconnect the device to the mains.
22
Ramp time
Program
Therapy mode
Patient mode or Clinical mode
Current screen/number of
screens within the menu
Scroll bar
to