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5020A 
Users Manual 
6-44 
Example: SYST:PASS:STAT 1 
The <bool> parameter turns the statistics settings password-protection on (1 or ON) or 
off (0 or OFF). This command is password protected. Commands protected with this 
setting are: CALC:AVER:CLE and DATA:DST... , 
SYSTem:PASSword:TIME? 
Returns the state of the date and time password-protection. 
Example: SYST:PASS:TIME? 
Response: 0 
A value of 1 is returned if the date and time password-protection is enabled. otherwise, a 
value of 0 is returned. 
SYSTem:PASSword:TIME <bool> 
Sets the state of the date and time password-protection. 
Example: SYST:PASS:TIME 1 
The <bool> parameter turns the date and time password-protection on (1 or ON) or off (0 
or OFF). This command is password protected. Commands protected with this setting 
are: SYST:DATE, SYST:DATE:FORM, SYST:TIME, SYST:TIME:DAYL, and 
SYST:TIME:FORM. 
Status Commands 
The status commands are used for querying and setting the state of the instrument 
registers. For details on the operation of the status registers refer to the SCPI standards. 
*CLS 
Clears the status registers. 
Example: *CLS 
This clears the error queue, Event Status Register, Operation Status Register, 
Questionable Status Register, Alarm Status Register, and Measurement status Register. 
*ESE? 
Returns the Event Status Enable Register. (See *ESE <num> command below.) 
Example: *ESE? 
Response: 189 
*ESE <num>|MIN|MAX|DEF 
This command sets the Event Status Enable Register. This register determines which 
event bits of the Event Status Register affect the ESB Event Summary-Message Bit of the 
Status Byte Register. If any event bit of the Event Status Register is set (1) while its 
corresponding mask bit of the Event Status Enable Register is set, the ESB Event 
Summary-Message Bit of the Status Byte Register will be set. The value of the 
<numeric_value> parameter is a number from 0 to 255 that is the sum of the binary-
weighted values of each mask bit. The Event Status Register is described in Section  
below. The following example causes the ESB bit in the Status Byte Register to be set 
whenever a command error or execution error occurs. 
Example: *ESE 32