Technical DescriptionAAU 1736 – Rev 12311 Software (SW)The software is stored in a flash memory in each AA unit. This software canbe replaced / updated (i.e. downloaded via Win512 / Win128 / WinG3). Allunits connected to the same RS485 line must have the same SW version andit is highly recommended to have the same SW version in all the displayunits in the system.11.1 SW versionThe SW version can be presented as follows:1. Do same as per the SW mode and address setting, see chapter"SW mode setting", page 13.2. When the following is displayed:MODE SETTING! Change = BlackType: xxxxxxxxxxxx Store = Yellow….press push button "P2" (yellow) and the following will bedisplayed:ADDRESS SETTING Change = BlackAddress: XX Store = Yellow….press push buttons "P1" (black) and "P2" (yellow)simultaneously and the following will be displayed:Rst: nn Addr: aaaaaaaa Version: V.vvvvReturn = Yellow Erase SSD = Blacknn = restart type (code) and aaaaaaaa = memory address beforerestart.nn=00: Power On Reset. (Power supply connected)nn=01: Watchdog Reset.nn=02: Accidental jump to reset vector.nn=03: External reset caused by external watchdog/user (e.g.after SSD download) or jumper "JP1" (RESET) has been used.nn=04-19: Unexpected interrupt.If nn=01, 02 or 04-19 appear often, call for service personnel /engineer.V.vvvv = SW version (e.g. 1.4.x).3. Press yellow push button ("P2") – or see 6 below – and thefollowing will be displayed:ADDRESS SETTING Change = BlackAddress: XX Store = Yellow4. Press yellow push button ("P2").5. The AA unit will restart (Restarting....), i.e. the buzzer will soundfor approx. two seconds and the unit will return to normaloperation.