Clare Controls amp.1640, User Manual, Page: 16 / 20

amp.1640 User Guide 8
Global switches
The global switches allow you to distribute the audio signal from Global In to
multiple amplifier channels in a configuration of your choice.
To use the Global switches:
1. Connect the audio source to Global IN (Fig. 3, item 1).
2. Set the Global DIP switches for the channels to ON (Fig. 3, item 2).
3. Connect the leads of the speakers to the matching channel connectors (Fig 3,
item 3).
Figure 3: Example of global switching
Operations
LED indicators
When the amp.1640 is powered on, the LEDs on the front panel indicate the
amplifiers operating state.
BLUE – Amplifier is ON and functioning properly
ORANGE – Amplifier is ON and in Standby mode.