powersoft K Series - Output Current Offset Calibration; Output Current Offset Reset and Calibration

INDEX
30
K6 K8 K10 K20 | SERVICE MANUAL
Offset output current reset procedure
Output attenuation shall be set at 0 dB: go to Menu →
setting → amplier setting → Output attenuation
Gain shall be set to 32 dB and V
rms
shal be set according
to the amplier model: go to Menu → setting → amplier
setting → Input gain/Sens.
Channel output current offset calibration
Go to: Menu → Display → Output meters.
Feed channel with a 1 kHz @ 2 V
rms
(2,82 V
peak
) sine wave
stationary signal.
No load on the output stage.
Check on the display if the V
rms
value has sets approx
80 V
rms
By acting on the channel potentiometer (Fig. 45A) set
the output current at 0 the A
rms
.
By pressing the right push button, change the channel
and repeat the step.
On both DSP and Non DSP versions, set the following
parameter:
Menu Setting → Amplier Setting → Input Select → Analog Output
Set the AES/EBU-ANALOG Pushbutton to its default
position (ANALOG).
(Fig. 45A)
Amp Model Gain Rms Voltage
K6 32 dB
2.55
V
rms
K8 32 dB
2.76
V
rms
K10 32 dB
3.16
V
rms
K20 32 dB
3.48
V
rms
CH 1 Output Current Calibration
CH 2 Output Current Calibration
Further settings