Sigma C4 manual System Information Queries

7.4 System Information Queries

7.4.1 QV Query Firmware Version

This command returns the current internal firmware release number in ASCII text in the following format:

QV<space>nnn.nnn.nnn<CR><LF>

Where nnn is the number of each part of the release number, padded on the left with leading zeros if necessary.

Example:

QV 007.003.001<CR><LF>

The syntax for the command is:

QV<CR><LF>

7.4.2 QN Query Controller Serial Number

This command returns the controller serial number in ASCII text in the following format:

QN<space>n-nnnnn<CR><LF>

Where the first number n is the number designating the model group (3 for CC-3.5, or 4 for C4) and the five digits nnnnn following the dash comprise the sequential part of the serial number.

Example:

QN 4-03376<CR><LF>

Note: When recording or reporting the serial number, always use all 7 digits.

The syntax for the command is:

QN<CR><LF>

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