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6 • Maintenance and servicing
80116-221
10.15
Performance tests
Testing and measuring equipment
Test setup
• The test specimen is connected to the power supply via the power
cord.
• The dual-pedal footswitch is connected.
• The NE patient cable with the shorted adapter cable is connected to
the NE receptacle on the test specimen.
Test procedure
Power switch 1. Check power switch for smooth operation. The power switch must be
easy to operate and must neither stick nor scrape.
2. Press power switch. The power switch must snap into the "ON" posi-
tion and the test specimen must perform a system start.
Start routine /
acknowledgement tone
1. The test specimen must perform the system start without error mes-
sage(s).
2. The test specimen must emit an acoustic signal (acknowledgement
tone) during the self-test.
Pushbuttons /
acknowledgement tone when
pressed
1. Check all the pushbuttons (focus buttons, selection buttons,
+/– buttons) on the test specimen to make sure they are working
properly. Press each button at least twice. When pressing the buttons
there must be an acoustic signal every time (= acknowledgement
tone).
Display / LEDs Display:
1. Check the backlighting of the display to make sure it is operating
properly. If backlighting is faulty, no image will be visible.
LEDs:
1. When starting the system, all LEDs must briefly light up at the same
intensity.
Erbe Art. No. Description
20189-107 Two pedal footswitch VIO C
20194-070 Patient cable NE
or
Patient cable NE, international
20194-075
20100-033 Adapter cable NE
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