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IEEE-Common Commands Instrument Setup and Status
Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition 57
command:
*CLS
syntax: *CLS
description: The CLear Status command *CLS clears the following:
• Error queue
• Standard event status register (SESR)
• Status byte register (STB)
After the *CLS command the instrument is left waiting for the next command. The instru-
ment setting is unaltered by the command, although *OPC/*OPC? actions are cancelled.
parameters: none
response: none
example: *CLS
command:
*ESE
syntax: *ESE<wsp><value>
0 ≤ value ≤ 255
description: The standard Event Status Enable command (*ESE) sets bits in the Standard Event Status
Enable Mask (SESEM) that enable the corresponding bits in the standard event status regis-
ter (SESR).
The register is cleared:
•at power-on,
• by sending a value of zero.
The register is not changed by the *RST and *CLS commands.
parameters: The bit value for the register (a 16-bit signed integer value):
Bit Mnemonic Decimal Value
7 (MSB) Power On 128
6Not Used 0
5 Command Error 32
4 Execution Error 16
3 Device Dependent Error 8
2 Query Error 4
1Not Used 0
0 (LSB) Operation Complete 1
response: none
example: *ESE 21