Keysight N777xC Series Tunable Laser Family Programming Guide 29
Instrument Setup and Status 3
 
1Not Used  2
0 (LSB) Operation Complete  1
Response: none
Example: *ESE 255
Command: *ESE?
Syntax: *ESE?
Description: The standard Event Status Enable query *ESE? returns the contents of the Standard Event Status Enable Mask (see *ESE 
for information on this register).
Parameters: none
Response: The bit value for the register (a 16-bit signed integer value). 
Example: *ESE? −> +255
Command: *ESR?
Syntax: *ESR?
Description: The standard Event Status Register query *ESR? returns the contents of the Standard Event Status Register. The register 
is cleared after being read.
parameters none
response The bit value for the register (a 16-bit signed integer value):
Bit Mnemonic Decimal Value
7 (MSB) Power On  128
 6Not used 64
 5 Command Error  32
4 Execution Error  16
 3 Device Dependent Error  8
2Query Error  4