Starting operation
- Connect the GCT 30-42 Auto-Start remote to the GCA 30-42 receiver or to the appropriate Bosch Professional dust extractor.
Read the Starting Operation and Establishing a Connection sections in the operating instructions for the GCA 30-42 + GCT 30-42 Auto-Start system or the dust extractor that is being used.
When changing a coin cell, the following shall apply:
- If the GCT 30-42 transmitter module was connected to the GCA 30-42 receiver module before changing the coin cell, the connection is automatically re-established after changing the coin cell.
- If the modules were not connected before replacing the coin cell, the connection needs to be established.
After a reset, the Auto-Start remote and the receiver must be reconnected.

