Display Unit for F-CM(C)1 (Rev. 05), F-CM(C)REC1 (Rev. 01)
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Document no. M1144956-003
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19. Watchdog circuitry
Test the watchdog circuitry:
Monitor Setup
Install Service (Password 16-4-34)
Service (Password 26-23-8)
Set/Test
Perform the tests WATCHDOG and WD BY OVERLOAD. Check that the monitor restarts in
each case.
NOTE: When selecting WD BY OVERLOAD, restarting should take place approximately after
15 seconds.
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Preset monitor settings:
Record/Print
Record Waveforms
Waveform 1 --> ECG1
Waveform 2 --> P1
Waveform 3 --> P2
Delay --> Off
Paper Speed --> 6.25 mm/s
Length --> 30 s
20. Alarm LEDs
Enter the Keyboard service menu:
Monitor Setup
Install Service (Password 16-4-34)
Service (Password 26-23-8)
Keyboard
Select the text Upper Led. Check that the red alarm LED(s) is turning on and off when
pressing the ComWheel. Check also the yellow alarm LED(s) by selecting Lower Led from
the menu.
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21. Membrane keys check
Press the keys on the monitor command board one by one. Check that each key
generates a sound from the loudspeaker. Also, the corresponding text in the menu should
change from yellow to red.
Check also the functioning of the side panel keys.
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