Digits; Setting Display Resolution; Remote Range And Digits Programming - Keithley 2500 User Manual

6-4 Range, Digits, Speed, and Filters

Digits

The display resolution of the measured reading depends on the DIGITS setting. This set-
ting is global, which means the digits setting selects display resolution for both channels.
The DIGITS setting has no effect on the remote reading format. The number of displayed
digits does not affect accuracy or speed. Those parameters are controlled by the SPEED
setting.

Setting display resolution

There are two ways to set display resolution:
• DIGITS — Press the DIGITS key until the desired number of digits is displayed.
• CONFIG DIGITS — Press CONFIG and then DIGITS to display the digits menu.
Place the cursor on the desired number of digits (3.5, 4.5, 5.5, or 6.5) and press
ENTER.
NOTE

Remote range and digits programming

Table 6-2
for more details on these commands.
Table 6-2
Range and digits commands
Commands
:SENSe[1]:CURRent:RANGe <n>
:SENSe[1]:CURRent:RANGe:AUTO <state>
:SENSe[1]:CURRent:RANGe:AUTO:ULIMit <n>
:SENSe[1]:CURRent:RANGe:AUTO:LLIMit <n>
:SENSe2:CURRent:RANGe <n>
:SENSe2:CURRent:RANGe:AUTO <state>
:SENSe2:CURRent:RANGe:AUTO:ULIMit <n>
:SENSe2:CURRent:RANGe:AUTO:LLIMit <n>
:DISPlay:DIGits <n>
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The DIGITS setting affects only the single-channel display mode; it does not
affect dual-channel display. Changing SPEED changes DIGITS, but changing
DIGITS does not change SPEED.
summarizes the commands necessary to control range and digits. See
Models 2500 and 2502 User's Manual
Description
Select channel 1 manual amps range (n = range).
Enable/disable Ch. 1 auto range (state = ON or OFF).
Set upper limit for Ch. 1 auto range (n = range).
Set lower limit for Ch. 1 auto range (n = range).
Select channel 2 manual amps range (n = range).
Enable/disable Ch. 2 auto range (state = ON or OFF).
Set upper limit for Ch. 2 auto range (n = range).
Set lower limit for Ch. 2 auto range (n = range).
Set display digits (n = 4, 5, 6, or 7).
Section 17