Bedienungsanleitung Keithley 2001 (Seite 43 von 476) (Englisch)

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Front Panel Operation

2001-900-01 Rev. K/ August 2010 3-11

3.3.5 Menu structures

From the front panel of the Model 2001, you configure

measurements through the use of menus. The menus are

grouped into three areas:

• Measurement functions: DC voltage, AC voltage, DC

current, AC current, 2-wire resistance, 4-wire

resistance, frequency, and temperature.

• Measurement operations: Multiple displays, relative

readings, triggers, reading storage, digital filter, math,

channels, and scanning.

• Other menu operations: Setup storage, IEEE-488

(GPIB) setup, calibration, self-tests, limits, status mes-

sages, and general operations.

The first two groups have specific keys on the front panel.

The third group does not. The desired menu is displayed by

pressing the appropriate key or key sequence:

• CONFIG and then DCV (or ACV, DCI, ACI, 2, 4,

FREQ, TEMP): Shows the configuration menu for each

measurement function.

• CONFIG and then NEXT DISPLAY (or PREV

DISPLAY, REL, TRIG, STORE, FILTER, MATH,

CHAN, SCAN): Shows the configuration menu for the

multiple displays and each measurement operation.

• MENU: The main menu accesses items for which there

are no dedicated keys.

Navigating menus

1. From the instrument’s normal state of displaying read-

ings, you can:

• View a configuration menu by pressing CONFIG and

then the desired function or operation key (DCV, TRIG,

etc.).

• View the top level of the main menu by pressing the

MENU key.

2. The unit is returned to the normal reading display by:

• Pressing EXIT or MENU from the top level of the main

menu.

• Pressing EXIT from the top level of a configuration

menu.

• Pressing a measurement function key from within a

menu.

3. Pressing the ENTER key selects an item and, if further

definition is needed, moves down within the menu

structure. Pressing the EXIT key backs up within a

menu structure.

4. The cursor position is denoted by a blinking menu item

or parameter. The cursor is moved from one item to the

next using the cursor keys ( and ). To select an

item, highlight it with the cursor, then press ENTER.

5. A displayed arrow ( or ) on the bottom line indi-

cates there is more information or additional menu items

to select from. When “ ” is displayed, use the cur-

sor key to display the additional message(s), and con-

versely, when “ “ is displayed, use the cursor key.

The cursor keys have an auto-repeat feature.

6. A numeric parameter is keyed in by placing the cursor

on the digit to be changed, and pressing the RANGE 

or keys to increment or decrement the digit.

7. A change is only executed when the ENTER key is

pressed. Entering an invalid parameter generates an er-

ror, and the entry is ignored. Changes are also ignored if

an EXIT is performed.

8. The INFO key can be used anywhere in a menu to dis-

play helpful information messages concerning opera-

tion. To cancel an information message and remain in

the menu, press INFO a second time, EXIT, or ENTER.

Pressing a function key cancels INFO and a menu, and

returns the instrument to a reading display.

3.3.6 EXIT key

The EXIT key has more actions than those mentioned in

paragraph 3.3.5. Table 3-5 lists the action for single

conditions.

When more than one of the conditions of Table 3-5 is

present, the hierarchy for the action taken by each press of

the EXIT key is as follows:

1. Cancels any temporary or error messages that are dis-

played.

2. Cancels INFO message and shows the normal reading

display.

3. Cancels reading display hold and returns to normal

reading display.

4. Disables scanning and returns to normal operation. Also

interrupts data storage if enabled.

5. Interrupts data storage and returns to normal operation.

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