ELFON OPTIMA SL255 - Operation in Multi-Entry System; Two-Entry Audio System Configuration

To enable operation in the multi-entry system, one must activate in Settings ->General settings ->Outdoor
panel settings ->Multi-entry settings the option Two panels or OP-H4 mode.
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In each panel operating in the system the Multi-entry mode must be set to the same settings.
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Figure 19: Two-entry audio system
Figure 20: Data line connection in two-entry audio system