User manual

Front Panel Operation
2001-900-01 Rev. K/ August 2010 3-119
3.12.6 STATUS-MSG
This selection is used to enable or disable the status
messages mode. When enabled, status messages are
displayed to identify specific operations that are performed.
Place the cursor on STATUS-MSG and press ENTER. The
following message is displayed momentarily:
Press EXIT key
to stop status message display.
Then the status message enable/disable menu is shown:
STATUS MESSAGES
OFF ON
Place the cursor on the desired state (OFF or ON) and press
ENTER. The instrument returns to the MAIN MENU.
The instrument may become so busy displaying status mes-
sages, that keypresses are no longer acknowledged. You may
have to clear status message display by pressing the EXIT
key or sending a bus command (:DISPlay:SMESsage OFF)
to get out of this mode.
3.12.7 GENERAL
The GENERAL menu is used for the following operations:
• To control the state and sense of the digital outputs; to
view the state of the digital input.
• To view the serial number, memory option, SCPI
version, and firmware revision levels of the Model
2001.
• To control the frequency of autozero readings.
• To set line synchronization of readings.
• To choose the character displayed for a decimal.
To display the GENERAL menu from the top level of the
main menu, use the cursor keys ( and ) to place the
cursor on GENERAL, then press ENTER. The following
menu is displayed:
GENERAL MENU
DIGITAL I/O SERIAL# AUTOZERO
LINE-SYNC DECIMAL
DIGITAL I/O
Overview
The Model 2001’s Digital I/O port is a 9-pin “D” sub-
miniature connector located on the rear panel. The port’s
location and pin designations are shown in Figure 3-46.
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Using limit test to sort 100 resistors
Tolerance
Bands
±10%
±1%
Resistance
90Ω 99Ω 101Ω 110Ω
Bit
Patterns
and
Limits
001 011
000
100 010
LOLIM1 LOLIM2 HILIM2 HILIM1