Controlling the Optical Output of all OSICS Modules Simultaneously
42
OSICS User Manual
Step 2 – Set the frequency of the OSICS Mainframe internal modulated-signal:
1.
In the
Main Setup
menu, expand the
Modulation
menu and select the
Set
frequency
sub-menu.
The
Modulation frequency
sub-menu appears and displays the current selected
modulation frequency-value.
Figure 17: Main Setup – Modulation Frequency
2.
Modify the frequency value as follows:
The internal TTL-signal generator can provide a TTL-modulated signal in the range
123 Hz to 1 MHz.
a. Turn the rotary knob to put the cursor under the digit you want to modify and
press the knob to highlight it.
b. Turn the knob clockwise to increase the value or anticlockwise to decrease it and
press the knob to validate the selected digit.
c. Perform steps a. and b. again with the other digits to modify.
d. Turn the rotary knob clockwise to put the cursor under
ENTER
and press the
knob to validate the new frequency value.
The frequency is updated to the "real frequency" as shown in
. This
screen displays the current modulation frequency produced by the OSICS Mainframe
oscillator, which may slightly differ from the values you have set.
Figure 18: Main Setup – Modulation Real Frequency
3.
Press the knob to go back to the
Main Setup
menu.
Main
EXIT
1
2
3
4
5
6
7
8
Main Setup - Modulation frequency
ESCAPE
▲
Frequency value :
f = 0014700 Hz
Modify the value.
ENTER
Main
EXIT
1
2
3
4
5
6
7
8
Main Setup - Modulation frequency
ESCAPE
The real frequency is :
14706 Hz
Please press the knob.
