Yokogawa µR20000 - Manual (Page 31)

3-18 SM 04P02B01-01E
Loop Back Test (Ethernet Communication Interface, /C7)
● Procedures
This test performed when the /C7 option is specified.
1.
Connect the recorder to the network.
2. Turn ON the power switch while pressing the MENU and CH UP keys. Menu =
A/D Adjust is displayed.
3. Confirm that the indicator on the left of the Ethernet port on the recorder
illuminates.
4. Choose Menu = Test, and press the key.
5. Choose Test = Loop Back and press the key.
Confirm that OK is displayed. If ERROR is displayed, check the connection to
the network.
* Select using the key. You can hold down the SHIFT key while pressing key to reverse the
key’s action.
Z-Fold Chart Paper End Detection
● Procedures
This test performed when the /F1 option is specified. Confirm the status below.
Status Criterion
Chart paper present The CHART END indicator is out
No chart paper present The CHART END indicator illuminates
Other Functions in Test Mode
In addition to the tests described up to now, you can perform the following tests in test
mode. They are not described in detail in this manual.
Menu Description
Test > Print > Analog Tests the analog recorder recording quality.
Test > Print > Plotter Tests the plotter pen recording quality (pen model).
Test > Print > Pen Hold Aligns the pens to the position when the recorder is shipped
(pen model).
Test > Memory Performs a test of the SRAM.
The display for normal status is “0000.”
Test > Version Displays the firmware version.
Test > Ram Clear Initializes the setup data, and returns to operation mode.
3.4 Test Procedures