Display Subsystem; Command Notes (Scpi Commands - Display) - Keithley 2302 Instruction Manual

11-2 DISPlay, FORMat, and SYSTem

DISPlay subsystem

The display subsystem controls the display of the power supply and is summarized in
11-1.
Table 11-1
SCPI commands — display
Command
:DISPlay
:ENABle <b>
:BRIGhtness <NRf>
:CHANnel <NRf>
[:WINDow[1]]
:TEXT
:DATA <a>
:STATe <b>
Note:
Command notes (SCPI commands — display)
DISPlay:ENABle <b>
Parameters
This command is used to enable and disable the front panel display circuitry. When disabled,
the instrument operates at a higher speed. While disabled, the display is blank.
All front panel controls (except LOCAL) are disabled. Normal display operation can be
resumed by using the :ENABle command to enable the display or by putting the power supply
into local.
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Description
Turn display on or off.
Set brightness for VFD display. Range 0–1.0
Changes the active display channel (1 for battery
and 2 for charger).
Text messages:
Define ASCII message "a" (up to 32 characters).
Enable or disable text message mode.
1. *RST or *RCL have no effect on the display circuitry and user-defined text messages.
2. :STATe <b> when power cycle enable is off <b> =(0)
3. This command is valid if DISP:ENAB is ON after a power cycle.
<b> = 0 or OFF
1 or ON
Blank display:<NRf> = 0
1/4 brightness:<NRf> ≤ 0.25
1/2 brightness:<NRf> ≤ 0.50
3/4 brightness:<NRf> ≤ 0.75
Full brightness:<NRf> ≤ 1.0
Control display circuitry
Disable display circuitry
Enable display circuitry
Table
Default
(see Notes 1, 3)
1.0
1
(see Note 1)
(see Note 2)