Front Panel Operation
3-12
Some examples of when multiple conditions are cancelled
by pressing the EXIT key follow.
Example 1:
After pressing ENTER to hold the reading dis-
play, press INFO to view the message. The first press of
EXIT returns you to the held reading; a second press cancels
reading display hold.
Example 2:
Configure a scan list and start scanning. Press
ENTER to hold the display, then press INFO to view the
message. The first press of EXIT returns you to the held
reading; the second press returns you to the normal reading
display. A third press of EXIT stops the scan and returns to
normal operation.
Example 3:
Configure a scan list and start scanning readings
into a buffer. Press EXIT once. Scanning and storing are ter-
minated; normal operation is resumed. Note that the trigger
model is restored to its pre-scanning configuration.
Example 4: Configure a scan list and start scanning readings
into a buffer. Press ENTER to hold the reading display. Press
INFO to view the message. The first press of EXIT returns
you to the held reading display. A second press of EXIT
cancels the held reading and shows normal storage. A third
press of EXIT stops scanning and storing; normal operation
is resumed.
3.4 Functions
The Model 2001 has much flexibility when configuring the
measurement functions. This flexibility must be used sensi-
bly in order to balance the various settings for a particular ap-
plication. For example, you can configure DC volts with an
integration time of 0.01 PLC (power line cycle) at 7.5 digits
of resolution and no filter, but the reading will be extremely
noisy. As another example, DCV peak spikes can be config-
ured for 7.5 digits of resolution, yet the measurement is spec-
Table 3-5
EXIT key actions
Condition EXIT key action
Temporary message displayed
(e.g., TRIGGERS HALTED)
Cancels display of temporary message.
INFO message displayed Cancels INFO message, returns to menu or normal reading display.
Reading display hold Cancels reading display hold, resumes normal reading display.
Scanning Disables scanning. Also stops data storage if enabled.
Data storage Stops data storage. Temporary message STORAGE INTERRUPTED is displayed.
ified at 3.5 digits. When in doubt, use the default settings and
the auto selections until you become more familiar with the
effects of other settings.
The instrument can be configured to display multiple func-
tions, where different functions are measured sequentially
from the same leads. These are referred to as “multiple dis-
plays” and they are shown on the bottom line of the display.
The displays for multiple functions are discussed in the fol-
lowing paragraphs.
NOTE
All measurements in the multiple display
mode will be within specifications. How-
ever, for optimum measurement integrity,
the primary display mode should be used.
To minimize the need to reprogram setup conditions every
time you switch from one function to another, each function
“remembers” its own unique setup configuration. Setup con-
figuration parameters that are remembered include:
• Range
• Relative
• Integration time
• Filtering
• Display resolution
• Multiple displays
To access the configuration menus for the measurement
functions, press the CONFIG key and then a function key
(DCV, ACV, DCI, ACI, Ω2, Ω4, FREQ, TEMP). Rules for
navigating the menu structures are covered in paragraph
3.3.5.
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