Dwyer PSX2 - Manual (Page 137)

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10.6.5 Software
Software version check and software update are permitted.
• Version
• Update
(1) In order to check the version
Move the cursor to [Software] in the maintenance screen
and press the
ENT
key. Transition to the software screen
appears, and the version number is displayed.
Example)
Bulletin F-9-PUX2