Pushbuttons /
acknowledgement tone when
pressed
Software download
Neutral electrode setting
Date and time
Display / LEDs
Activation tones
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).
1. Document whether a software update was performed.
1. Call up service level (see page 18).
2. Then call up the neutral electrode setting and document the existing
setting.
1. Remain in the Service level.
2. Then call up the date and time settings one after the other, check the
existing settings, and correct them if required.
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. Upon system start all the LEDs and seven-segment displays must
light up briefly with equal brightness. In the case of the neutral elec-
trode receptacle red and green must light up briefly one after the
other.
1. Press CUT pedal on the dual-pedal footswitch at least twice. When
pressing the pedal there must be an acoustic signal every time
(=acknowledgement tone).
2. Press COAG pedal on the dual-pedal footswitch at least twice. When
pressing the pedal there must be an acoustic signal every time
(=acknowledgement tone).
Footswitch activation
Testing and measuring equipment
Erbe Art. No.
20188-300
20189-302
20194-070
20194-075
20100-033
6 • Maintenance and servicing
Description
Single-pedal footswitch
Dual-pedal footswitch
Patient cable NE
or
Patient cable NE, international
Adapter cable NE
45
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