1-18 Getting Started Model 6485 Picoammeter Instruction Manual
Menu
Many aspects of operation are configured through the menus summarized in Table 1-4.
Refer to the Section listed in the table in-depth information. To access the menu, press the
MENU key. Use the and range keys to scroll through the menu items, and the and
cursor keys to change options. Press ENTER to save any changes made and leave the
menu. Press EXIT to leave the menu without saving changes.
NOTE The MENU key is used to access the menu structure. However, if in remote for
IEEE-488 bus operation (REM annunciator is lit), pressing the menu key has no
effect. Press the LOCAL key to place the unit in local operation, then press the
MENU key to access the menu items.
SCPI programming
SCPI programming information is integrated with front panel operation throughout this
manual. SCPI commands are listed in tables, and additional information that pertains
exclusively to remote operation is provided after each table. The SCPI tables may refer-
ence you to other sections of this manual.
NOTE Except for Section 14, most SCPI tables in this manual are abridged. That is,
they do NOT include most optional command words and query commands.
Optional command words and query commands are summarized as follows.
Table 1-4
MENU structure
Menu item Description Reference
CAL Provides path to the following calibration submenu items:
VOFFSET, COUNT, RUN, DATES, UNLOCK, LOCK, and
SAVE. See reference section for verification and calibration
information.
Section 15,
Section 16
TSTAMP Timestamp format can be ABSolute or DELTa. Section 6
UNITS Readings can be displayed in ENGineering units or
SCIentific notation.
Section 6
TEST Run display or key tests. Section 17
SNUM Displays the units serial number. Section 11
LFREQ Line frequency can be manually set to 50 or 60 Hz, or
AUTOmatically set. The number after AUTO indicates
present detected frequency value.
“Line frequency,”
page 1-13
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