93-530-70 Issue 0 Page 32 of 44 © Protec Fire Detection PLC 2007
22.0 3300 Software Version Display
The 3300 will display its software versions when the ‘Alarms Silenced’ indicator is illuminated in fault
diagnosis mode.
Display row 1 will display the main software version.
Display row 2 will display the special software version (if applicable).
The software versions are displayed in 8 bit binary with the least significant bit being indicated at zone
8 and the Most significant bit being indicated at zone 1. Please consult the binary to decimal converter
given in appendix 3 for clarification. An example of software version 10 and special version 5 is given
in figure 22.0.
Figure 22.0. Example of Software Version Display.
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