Keithley 2701 Service Manual

B-20 Calibration Reference Model 2701 Service Manual
:LOCK
(:CALibration:PROTected:CARD1:LOCK)
Purpose To lock out Model 7700 calibration.
Format :cal:prot:card1:lock
Parameter None
Description The :LOCK command allows you to lock out Model 7700 calibration after
completing the procedure. Thus, :LOCK performs the opposite of enabling
calibration with the :CODE command.
Example :CAL:PROT:CARD1:LOCK Lock out card 1 calibration.
:LOCK?
(:CALibration:PROTected:CARD1:LOCK?)
Purpose To read Model 7700 calibration lock status.
Format :cal:prot:card1:lock?
Response 0 Calibration locked.
1 Calibration unlocked.
Description The :LOCK? query requests status from the Model 2701 on Model 7700
calibration locked/unlocked state. Calibration must be enabled sending the
:CODE command before calibration can be performed.
Example :CAL:PROT:CARD1:LOCK? Request card 1 cal lock state.
:RCOunt
(:CALibration:PROTected:CARD1:RCOunt)
Purpose To reset card calibration count to 0.
Format :cal:prot:card1:rco
Parameter None
Description The :RCOunt command resets the card calibration count reported by
:COUNt? to 0.
Example :CAL:PROT:CARD1:RCO Rest card calibration count.

Keithley 2701 Specifications

General

Max Voltage	300 V
Max Current	3 A
Frequency Range	3 Hz to 500 kHz
Frequency Accuracy	0.01%
Weight	3.6 kg
Measurement Functions	Frequency, Temperature
Interface	IEEE-488 (GPIB), RS-232
DC Voltage Range	300 V
DC Current Range	3 A
AC Voltage Range	300V
AC Current Range	1 μA to 3 A
Resistance Accuracy	0.01%
Channels	10
Dimensions	213mm x 88mm x 370mm