34© 2017 SafeLineandalltheSafeLineproductsandaccessoriesarecopyrightedbylaw.SL6+ v2.04 ENOperatingINTERCOM BETWEEN MAINSTATION AND BUS UNITMain station to bus unitPress 1-6 on the handset to call respective bus unit.Bus unit to main stationPress the button on the bus station briefly to callthe main station.(Hold the button for 5 seconds to make anemergency call.)OUTGOING CALLPress 0 to dial external telephone number.If the Safeline SL6+ is connected to a PABX(switchboard), press 0 again for external dialtone to calling out to the PSTN network.If a GSM unit is installed, SL6+ will use it as thedefault outgoing calls, even if there is a PSTN-lineconnected. Ensure that there is an active SIMcard installed in the device.
