t.amp TSA 4-700 User Manual page 20

Connections and controls
1 [POWER]
Main switch to turn the device on/off.
2 LED [CH-A], [CH-B]
These LEDs indicate the ready status of the device ([Power]), the input signal level ([Signal] / [–20] / [–15] / [–10] / [–5]),
channel overdrive ([Clip]) and a fault condition ([Fault]).
3 [CH-A], [CH-B]
Input gain controls for channels A and B.
20
The [Power] LED is permanently lit during operation. The [Signal] / [–20] / [–15] /
[–10] / [–5] LEDs respond to the input signal. If any of these LEDs are lit without an
input signal is present disconnect the speakers from the amplifier and turn the input
gain controls of channels A and B down to minimum. If the LEDs are still permanently
lit, the device must be checked by an authorized technical service centre.
power amplifier