Test For Recording Speeds 25 And 50 Mm/S; Device Test Result Check; Rs-232 Interface Test; Analysis Of The Ecg Signals And Hr Value - GE marquette MAC 1100 Servicing Instructions

Marquette Hellige GmbH

7.1.2.4 Test for recording speeds 25 and 50 mm/s

- Carry out the "Motor test " as detailed in Sections 3.5, respectively.
- The feed speed deviations should be less than 3%.

7.1.2.5 Device Test result check

- Output "Test results " as detailed in Sections 3.6, respectively.
- Main parameters: - all memory stores free from error?

7.1.2.6 RS-232 interface test

Carry out the "Interface test " test item "(1) Transmitting and receiving", as detailed in
Section 3.9, respectively.

7.1.2.7 Analysis of the ECG signals and HR value

Carry out the following settings on the ECG simulator:
- Amplitude
- Heart rate (RATE)
Connect the electrode leads as indicated below:
R, red
L, yellow
F, green
N, black
C1, white/red (or V1 )
:
:
C6, white/violet (or V6)
Switch in 6 lead operating mode and start recording by pressing the Start key.
By pressing the lead scrolling key, check whether all leads are being recorded.
The ECG traces must be noise-free.
MAC 1100/1200 V 1.1
227 492 20 D - 0002
- ASIC test O.K?
- Sample rate 1000?
- Selected time constants: 2.04 s (or 4.08 s)?
- Printhead voltage > 18V, battery charge O.K?
- Printout clearly legible and without any lapses or interference?
1 mV
60 bpm
(or RA) ----->
(or LA) ----->
(or LL) ----->
(or RL) ----->
----->
:
:
----->
RA
LA
LL
RL
V1
:
:
V6
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