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MP120
8. connect the microphone red cable to the voice synthesis card terminal "MIC +";
9. connect the microphone black cable to the voice synthesis card terminal “MIC –“;
10. The loudspeaker volume has been factory-set to an optimum level: to change the sound level, use the special
trimmer available on the voice synthesis card.
2.2.3 INSTALLING THE TTL/RS232 INTERFACE
Warning!
The optional items and accessories must always be connected and disconnected when the control
unit is not powered.
Warning!
In the event that electric outputs U2, U3, U4 and U5 (type: OC PNP/NPN, factory setting: PNP –
see paragraph
2.3.4
OUTPUT hardware CONFIGURATION for more information) have to be configured, do this prior to installing
the TTL/RS232 interface.
To fit the TTL/RS232 interface card, which makes it possible to connect a local PC to the control unit for
programming (the PC shall be equipped with the Fast Link software), proceed as follows:
1. secure the nylon pin (supplied with the unit) into the special hole available on the TTL/RS232 interface card;
2. plug the female connector of the TTL/RS232 interface card into the corresponding male connector of the control
unit master card;
3. hook the nylon pin to the special hole available in the control unit master card.
