PS2520G and PS2521G Programmer Manual 19
Command Descriptions
This section provides an alphabetical listing and a detailed
description of each command. It also provides examples of each
command and what the query form might return.

*CLS (No Query Form)

Clears the following status data structures:
HStandard Event Status Register
HOperation Event Status Register
HQuestionable Event Status Registers
HError/Event Queue

 clears all event registers.

*ESE

Sets or returns the bits in the Event Status Enable Register
(ESER).The ESER enables the Standard Event Status Register
(SESR) to be summarized on bit 5 (ESB) of the Status Byte Register
(SBR). Refer to Figure 12 on page 52 for an illustration of the ESER.
 

 is a number from 0 to 255. The binary bits of the ESER are set
according to this value.
Syntax
Examples
Syntax
Parameters