ST 500 "Piranha" Operation Manual: Low Frequency Amplifier Channel
47
The screen view when setting the gain value is shown in fig.43.
Fig.43
The selected gain value remains unchanged until next adjustment or "LOW FREQUENCY
AMPLIFIER" channel deactivation (return to main menu of device).
7.4. SETTING THE BIAS VOLTAGE
In order to apply a bias voltage to a connected pair of wires, do the following
1.
Press "F3". The "Bias" field will become brighter.
2.
Using the keys
select the bias voltage (-30 V or +30 V) which will be displayed on
the screen (fig.44, 1 and 2). The bias voltage value will be marked green, and voltage in
the circuit will be marked white.
3.
To reverse the sign of the bias voltage, use or
.
4.
To set "0" value, press "ENTER".
5.
To finish, press "F3". The "Bias" field will become darker.
Fig.44
