Wisi OH 50 A Betriebsanleitung Seite 21

Update function basic unit and modules
System recovery
Press the buttons ◄ ► simultaneously when power supply is applied. Then press ► button and
choose Backup SW "yes", to start emergency application.
Update functions in the OH 50A menu "system settings"
The following steps are required for an software update:
1. Connect handset to the base unit, the handset must display the standby message.
2. Plug an USB memory stick into the USB port.
3. The following options are selectable:
- Multiupdate Mod
- Update OH 50A
- Cfgload
- Cfgsave
If an module update fails, the module remains in the bootloader. This is displayed on the web interface
and on the handset. The module can be programmed again from the web interface. To program the
module with the handset "Multiupdate Mod." has to be selected in the menu "System Settings" .
All modules are updated automatically, if a newer software is
available on the USB memory stick. The update process starts.
After the update the modules will be rebooted.
Only the base unit is updated. After the update process is
completed, the device will be rebooted. Be sure that a file with the
name "OH50A__HW_Vx_xx_SW_Vx_xx.bin" is only present once
on the USB memory stick.
The settings from a configuration file on the USB memory stick are
uploaded into the modules. Please note: the module types and their
slot order have to be the same as those in the configuration file!
The display shows "Checking file". The current configuration of
the modules is uploaded and saved to the USB memory stick
(config.OH50A).
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