Digitimer D400-2 Manuel de l'opérateur - Page 16

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Digitimer Ltd – D400 Operator's Manual

Installation & Use of the D400

1. Check the D400 and accessories for any sign of damage before proceeding. Please

contact Digitimer if any damage is present.

2. Confirm the rear panel voltage selector is correctly set and mains inlet fuses are of

the appropriate rating for the local power supply voltage.

3. Connect the mains lead to the D400 rear panel mains inlet socket and power the unit

on using the associated On/Off switch. If the D400 Control Panel Software is being

used, double-click on the program shortcut to run it.

4. Once powered on, the D400 will enter a start-up stabilisation phase signified by the

front panel POWER LED flashing green for approximately 40 seconds. This LED will

become permanently lit once the D400 is ready to use.

5. Signal input and output cables may be connected via the BNC sockets or via the "D"

connectors. It is normal for the D400 to be located in the signal pathway after any

amplification or signal conditioning, but immediately before the data acquisition or

visualisation stage.

Amplifier or

Signal

Conditioner

6. This arrangement ensures the input signals are adequately amplified before noise

subtraction takes place. The D400 accepts and outputs voltages in the range of

±10V.

7. Once signal input and output cables connected, the D400 will start to construct the

noise template and a reduction in mains interference should become apparent

within the observed/acquired signals.

8. The three front panel buttons provide global control of all channel settings, while the

D400 Control Software permits individual channel control.

D400 Noise

Eliminator

Version 1.2

Data

Acquisition

Interface