Global Specialties PB-507 - Manual - Manual (Page 15)

15
Figure 6
The following information is displayed in the counter panel:
•
The measured frequency and the corresponding period
•
The type of the input signal
•
Counter mode: AUTO or MAN
•
The current state of the counter: NO SIGNAL or COUNTING.
6.4 DC Power supplies
Front-panel controls
Figure 7 shows the DC Power Supplies controls on the front panel of the trainer.
Figure 7
Positive voltage knob: changes the value of the +V DC power supply between
0V and 20V.
Negative voltage knob: changes the value of the -V DC power supply between -
20V and 0V.

 buttons: move the cursor from one digit to another inside a field or to the
next field.
Display Area and Screen Interface
Figure 8 shows the trainer’s screen displaying the DC power supplies panel.