Siemens SC 7000 Service Manual page 76

Service Manual
6 Fixed Keys
6.1 ON/OFF Key
6.2 Main Screen Key
6.3 Alarm Silence Key
6.4 Alarm Limits Key
6.5 All Alarms Off Key
6.6 Code Key
60
6) Verify that backlite provides sufficient and uniform background
illumination for LCD, while connected to external power source (CPS,
IDS, PSL).
7) Verify intensity change with change in ambient light.
8) Press Main Screen key to return to MAIN screen.
The following tests verify that membrane switches on the front panel are
functioning properly, and that the signal from the key is processed by the
Front Panel Control PCB. Functions controlled by the fixed keys are
individually verified elsewhere in this Chapter as required.
Note: Before beginning Key tests access Main menu. Select Monitor
Setup → Monitor Options → Speaker Volumes, and assure that
Attention Tone Volume is set to other than OFF.
The ON/OFF key initiates the power-on sequence if the monitor is powered
off, and powers-off the monitor, initiating a brief power-off piezo alarm, if the
monitor is powered-on.
Note: This test can be omitted if the procedure of section 3.1 has
already been performed.
1) Press and momentarily hold ON/OFF key.
2) Verify that powered state of monitor changes.
3) Set monitor to powered-on state, if monitor powered off.
The Main Screen key sets the display to the MAIN screen.
1) Press Menu key to display Main menu.
2) Press Main Screen key, and verify that Main menu extinguishes, and
display returns to MAIN screen.
The Alarm Silence key silences an alarm tone for one minute.
1) Assure that HR alarm is enabled, and without any input applied to
MultiMed POD, plug MultiMed or MultiMed 12 cable into monitor.
Monitor should Alarm.
2) Press Alarm Silence key and verify that alarm ceases.
3) Turn off HR alarm in Alarm Limits Table before proceeding. See
section 6.4.
The Alarm Limits fixed key calls up a setup table on which upper and lower
alarm limits for physiologic parameters can be assigned, and alarms and
alarm recordings can be enabled or disabled.
1) With MAIN screen displayed, press Alarm Limits fixed key.
2) Verify that Alarms Setup Table displays.
The All Alarms Off key silences all alarms for a period of 2 minutes.
1) Press All Alarms Off key.
2) Verify that 2 minute countdown field appears at top center of display.
The Code key can perform any of several functions, depending on other
parameter settings entered into the monitor. Refer to operating instructions
in the User Guide for more detailed information. The following procedure
verifies only that the monitor responds to a key press.
Siemens Medical Systems, EM-PCS, Danvers
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SC 7000 and SC 9000XL Patient Monitors
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