Siemens SC 7000 Service Manual page 75

SC 7000 and SC 9000XL Patient Monitors
3 Power Circuits and
Start-up
3.1 Power ON/OFF
3.2 Power-Up Sequence
3.3 Monitor Powered
From External Source
4 Rotary Knob
5 LCD Display
ASK-T898-03-7600
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The following procedures check the monitor's power circuits, power-up
sequence, and power off indicator. Begin this procedure with the monitor
turned off and powered only by fully charged main battery.
Note: If the monitor is mounted on a docking station, be sure that the
locking lever is in the unlocked position.
1) Press ON/OFF switch on front panel and verify that power LED in ON/
OFF key turns on.
2) Press and hold ON/OFF key for approximately two seconds.
3) Verify that high pitched piezo tone sounds briefly and power LED in
ON/OFF key turns off.
Press ON/OFF key and verify following sequence of events:
• Power LED in ON/OFF key turns on.
• Display illuminates briefly, monitor beeps, high-pitched piezo tone
sounds briefly, and Battery charger LED illuminates briefly.
• After a few moments, during which display is NOT illuminated,
monitor sounds a chime.
• After a few more moments, New Patient prompt displays.
• Select NO, and press rotary knob in to clear prompt.
Note: With all patient inputs removed from the monitor, only
"adult" and "ALL Alarms OFF" appear on MAIN screen.
• Battery charge level bar graph, date and time report in message
area at bottom of display.
1) Move docking station lever to locked position.
2) Verify that Battery charger LED illuminates and battery charge level
bar graph disappears.
3) Remove monitor from docking station or move docking station lever to
unlocked position if additional functional verification procedures are to
be performed using only main battery power. Otherwise, continue.
The Rotary Knob in the lower right corner of the front panel controls an
optical encoder for pointing to and selecting display fields and functions.
1) Press Menu key, and verify that selected menu item changes for each
detent as knob is rotated one complete revolution in either direction.
2) Rotate knob until ← in upper left corner of Main Menu is selected.
3) Press knob in and verify that MAIN screen displays.
The display is composed of an active-matrix LCD screen with backlight.
Test the LCD display as follows:
1) With MAIN Screen displayed, verify that ≤17 Pixels are inoperative
("stuck" ON).
2) Press Menu key and select Monitor Setup → Display Options.
3) Select Brightness
4) Change setting of rotary knob and observe that brightness of display
screen varies accordingly. (monitor must be on battery power)
5) Set brightness for AUTO.
Siemens Medical Systems, EM-PCS Danvers
NOT A CONTROLLED DOCUMENT
Service Manual
59