Page 37
Functional Checks
5
AT-10 plus
Service Handbook
Functional checks and tests
5.3
A
rt.
-n
o.:
2.5
4004
3 Re
v.
: a
5.3.8
ECG amplifier and patient cable test
1. With a patient simulator connected, press the
ECG
key
. The electrode
screen is displayed (this screen is also displayed in the service screen (see page
20).
2. Disconnect ECG patient simulator. Check the following:
– device beeps 4 times
– all lead designations highlighted
– the mV reading for all leads is -350 to -550 mV
3. Connect ECG simulator and setup HR to 60 b/min, no arrhytmias.
4. Check the following:
– all leads stops blinking
– the mV reading for all leads is -15 ...+15 mV
5.3.9
External printer test
Only with the Comms Module. At the time of print this was not available
5.3.10
Communication (RS-232) test
Only with the Comms Module. At the time of print this was not available.
Lead Test
(mV)
RA
5
LA
5
C1
5
C2
5
C3
5
C4
5
C5
5
C6
5
C7
497
C8
495
C9
498
C10
498
LOFF
0F00
ECG NIBP
Spiro
HW-
I/O
+
Service
Character Colour
Printer Key
Battery
Softwar
• When a standard 10-lead cable is connected, check RA, LA, and C1 to C6 only.
• Additionally check C7, C8, and C9 when a 13 lead patient cable is used.
• Additionally check C7, C8, C9 and C10, when a 14 lead patient cable is used.
• LOFF is a register for factory use only (for lead confirmation).
