Schiller AT-101, Руководство по обслуживанию

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Care & Maintenance 5
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Service Handbook Functional test 5.2
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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
PRINT
SETUP
EXIT
COMM
TEST
BASE
INIT.
SOFTWARE