Datex-Ohmeda S/5 monitors
Document No. 800 1011-1
12
8.
Enter the EEG module service menu:
Parameters - More… - EEG & EP
Check that the ‘Timeouts’, ‘Bad checksums’ and ‘Bad c-s by mod’ values in the module view
are not increasing faster than by 50 per second. Check that the memories of the module have
passed the internal memory test, i.e. ‘RAM’, ‘ROM’ and ‘EEPROM’ all state OK.
?
9.
Check that the ‘HB Mod Timeouts’, ‘HB Mod Bad Checksum’ and ‘Mod HB Bad Checksum’
values are not increasing faster than by 50 per second. Check that the memory of the
headbox has passed the internal memory test, i.e. ‘HB Rom Error’ in the headbox view
states 0.
?
10.
Check the
EP Start/Stop
and
Imp. Check
membrane keys both of the module and the
headbox. Go to module view and press each key for at least one second and check that the
key being pressed is identified, i.e. the corresponding text is highlighted in the service menu.
Repeat in headbox view with headbox keys.
?
11.
Select 10 k
Ω
as imped. pos. and imped. neg. value on the simulator. Go to
EEG & EP
service
menu and select
Check Electr
.
From the headbox view check that the impedances in all four
channels are 10 k
Ω
±
1 k
Ω
.
?
12.
Connect the EEG simulator to the headbox. Select 2 k
Ω
as imped. pos. and imped. neg.
value on the simulator. Select 10 Hz 200
µ
V sinewave on the simulator and check that all the
four waveforms have same form. Check that the size of the waveforms is 200
µ
V
pp
±
5
µ
V.
Check that the MF value is 10
±
0.5 Hz. Check that the amp value is 71
µ
V
±
3
µ
V.
?
13.
Select 75 Hz 50
µ
V signal on the simulator. Check that the FEMG value is 16
±
3
µ
V.
?
•
Preset the AEP measurement settings:
Others
EP - Cycle - Cont.
EP - AEP Setup - AEP Channels - 2
EP - AEP Setup - Responses -100
EP - AEP Setup - Stim. Frequency - 1.1Hz
EP - AEP Setup - Stim. Intensity - 60 dB
EP - AEP Setup - Sweep length - 100 ms
