horiba APMA-370, Руководство по эксплуатации

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6 FUNCTIONALITIES
51
The following key allows you to perform the following operations.
Tip
Automatic range switching operation (for the standard specification)
The combinations used for the automatic range switching depends upon the specification.
For the standard specification, all of the fixed ranges are used.
The analog output range for which the auto range switching is set changes automatically as follows:

When the reading exceeds 90% of the current range, the measurement range will be switched to
the next higher range.

If the reading drops below 80% of the next lower range of the current one, the measurement
range will be switched to the lower range.

Changing range setting
1.
On the ANALOG OUTPUT RANGE screen, press the button of the range to be
changed. The RANGE screen will be displayed.
Fig. 64 RANGE screen (OUTPUT 1)
The range is set by choosing a button of range setting.
The keys allow you to perform the following operations.
Tip
Among the fixed ranges, the ones for which an asterisk (*) is displayed on the left of the button are
available for the auto range switching. The combinations used for the automatic range switching
depends upon the specification. For the standard specification, all of the fixed ranges are used.
2.
Press the button of the range to be set.
Note
To use the external signal for range switching, select [EXTERNAL]. The external selection contact is
optionally available.
3.
Press the [SET] key. The range setting will be changed and the ANALOG OUTPUT
RANGE screen is displayed again.
[CLOSE]: Returns to the MENU/RANGE screen.
[CANCEL]: Returns to the ANALOG OUTPUT RANGE screen without changing the
settings.
[SET]: Returns to the ANALOG OUTPUT RANGE screen with the settings
changed.