Keithley 2701, Руководство пользователя

Страница: 35 / 478

Model 2701 User’s Manual Getting Started 1-21
Defaults and user setups
Model 2701 can be restored to one of two default setup configurations (FACTory or
*RST) or five user-saved (SAV0, SAV1, SAV2, SAV3, or SAV4). As shipped from the
factory, Model 2701 powers up to the factory (FACT) default settings.
NOTE Closed channels can be saved in a user setup (SAV0, SAV1, SAV2, SAV3 or
SAV4). When the setup is restored, those channels (and only those channels) will
be closed. FACT and *RST defaults opens all channels.
The factory default setup provides continuous triggering, while the *RST default setup
places the Model 2701 in the one-shot trigger mode. With one-shot triggering, a measure-
ment is performed whenever the TRIG key is pressed or an initiate command is sent over
the remote interface.
The factory and *RST default settings are listed in Table 1-4. Setting differences (Set Diff)
between the two default setups are indicated by checkmarks (
).
For remote programming, the SYSTem:PRESet and *RST commands are used to reset the
instrument. The *RST command returns the instrument to the *RST defaults and, for the
most part, the SYSTem:PRESet command returns the instrument to the factory default
conditions. The exceptions are explained as follows:
• Auto scan and auto channel configuration — FACTory defaults disable auto scan
and auto channel configuration, while SYSTem:PRESet has no effect. The *RST
defaults (front panel and remote operation) have no effect.
• Memory buffer auto clear — FACTory defaults enable buffer auto clear, while
SYSTem:PRESet has no effect. The *RST defaults (front panel and remote opera-
tion) have no effect.
The instrument will power up to whichever default setup is saved as the power-on setup.
NOTE At the factory, the factory default setup is saved as the SAV0, SAV1, SAV2, SAV3,
or SAV4 setup.
Saving and restoring setups
Saving a user setup
1. Configure Model 2701 for the desired measurement application.
2. Press SHIFT and then SAVE to access the save setup menu.
3. Press to place the cursor on the present setup (SAV0, SAV1, SAV2, SAV3,
SAV4).
4. Use the or key to display the desired setup and press ENTER. The instrument
returns to the normal measurement state.
2701-900-01.book Page 21 Wednesday, August 3, 2011 9:43 AM