Pressing the right button will change the display from resistance to
temperature. The sample probe readings are also displayed.
2. Probe Bin Test
The bin test is used to determine the resistance of the sample probe
at a specific temperature. (-0.093°C is used for convenience, which
corresponds to the 50 mOsm/kg calibration standard.) When a new
sample probe is installed, the bin number must be determined and
entered into the instrument from the Setup Menu. It is therefore
useful to recheck the bin test as part of a routine diagnostic check.
3. Solenoid Test
The Solenoid Test will manually trigger the freeze solenoid. The
solenoid should give two audible impacts followed by four rapid
impacts immediately upon pressing the [START] button.
4. Display/Print Test
This test sends a complete character set to the display, serial port
and printer port, allowing the user to confirm the proper functioning
of these ports.
5. Key/Beeper Test
Proper function of the keypad can be confirmed by this test. As
each button is pressed, [*******] appears above the button and a
beep is heard.
6. Barcode Test
This menu selection is for testing a barcode scanner. Scanned infor-
mation will appear on the display, and a short beep will occur.
Additional scans may be performed until the test is cancelled.
Please note that the barcode scanner may also beep, if its beeper is
not disabled.
Exit
Returns the user to the "Osmometer Ready" prompt.
31
Troubleshooting & Service
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