Page 41
Care & Maintenance
5
A"#$0$
Service Handbook
Functional test
5.2
A
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.-
no
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2
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4
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37
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5.2.13
External printer test
5.2.14
Communication (RS-232) Test
1. Connect external printer at the parallel port.
2. Press
key. The external printer starts printing.
3. Press Stop.
If printer does not work press FN and Lead test. The following screen shows with a
point in the right down corner that an external printer is detected.
Fig. 5.6
This test uses a special test plug (DB9 Pin 2 and 3 bridged) to check transmission line
and connector to ensure that the AT-101 transmission circuits are functioning.
1. Connect RS-232 loop test connector at the RS-232 port.
2. Select MENU/SETUP/SYSTEM SETTINGS/TEST AND INFO/COMM TES/
UART TEST.
3. Type R and T (receive and transmit)
"
The screen shows hex characters when the serial port is ok.
ECG AMPLIFIER: U el [mV]
Uref+:
2002
R
-517
Uref-:
2000
L
-518
Udif:
4001
C1
-520
Uoff:
166
C2
-516
Calib:
1000
C3
-521
C5
-515
C6
-517
TPH TEMP:
23°C
Eprom: 623
RETURN
TEST
MENU
LEAD TEST
TEST
AND INFO
EXIT
COMM
UNIT
SETUP
EXIT
COMM
TEST
BASE
INIT.
SOFTWARE
Summary of Contents for AT-101
Page 1: ...A 0 ervi e andboo3 Art no 7 5400 Rev a 400 A 0 7 annel E G Devi e ...
Page 6: ...Page 4 Art no 2 540037 Rev a ...
Page 42: ...5 Care Maintenance 5 2 Functional test A 0 Page 40 Art no 2 540037 Rev a ...
Page 63: ...Page 61 Appendix 8 A 0 Service Handbook Checklist 8 1 Art no 2 540037 Rev a Other remarks ...
Page 64: ...8 Appendix 8 1 Checklist A 0 Page 62 Art no 2 540037 Rev a ...
