Service Lock Screen - GE Corometrics 250cx Series Service Manual

Appendix E: Service Mode Screens
E.1 Service Lock Screen
The Service Lock screen (See Figure E-1) is the first screen when entering the monitor service mode.
To access this screen:
1. Select the Setup softkey in the General screen to display the General Setup screen.
2. Select the Service softkey from the General Setup screen.
3. The Service Lock screen appears and the access code is displayed as 0 0 0 0.
The Service Lock screen requires the user to enter a password to prevent unauthorized access to the service
mode. The access code is the current month and day (MMDD) or day and month (DDMM), depending on how
the monitor is configured. Use the Trim Knob Control to enter the access code. For example: April 23 shall be
entered 0 4 2 3. The screen also displays the following information:
• Keypad Version
• MSpO information:
2
о For Nellcor: Nellcor 506 or NELL-3 Version and Date
о For Masimo: DSP: Version, MCU: Version, PID: Version
• NIBP Version
• CPU Version
• DSP Version
154
Figure E-1 Service Lock Screen
2036947-001
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