VXI SM8000 User Manual
Page 65
VXI Technology, Inc.
SM8000 Series Programming
65
81h
Command Name
Query Attenuation
Command Format
81h
Description
The Query Attenuation command returns the current attenuation value as a 2-byte (16-
bit) value.
Example
The following example shows how to translate the HIGH_BYTE-LOW_BYTE
returned value into a dB attenuation value:
1.
0Dh & 6Fh = 0D6Fh
HIGH_BYTE and LOW_BYTE value to
hexadecimal value.
2.
0D6Fh = 3439
Convert hexadecimal value to an integer
decimal value.
3.
3439 / 100 = 34.39
Divide by 100 to convert to dB value.
82h
Command Name
Query Minimum Attenuation
Command Format
82h
Description
The Query Minimum Attenuation command returns the minimum attenuation setting
in a 2-byte (16-bit) format.
Example
The following example shows how to translate the HIGH_BYTE-LOW_BYTE
returned value into a dB attenuation value:
1.
0Dh & 6Fh = 0D6Fh
HIGH_BYTE and LOW_BYTE value to
hexadecimal value.
2.
0D6Fh = 3439
Convert hexadecimal value to an integer
decimal value.
3.
3439 / 100 = 34.39
Divide by 100 to convert to dB value.