Using the OSICS ATN-HP Module
OSICS User Manual
53
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.
Rotating the knob increments or decrements the digit above the cursor. Going
above "9" increases the next significant digit; going below "0" decreases the next
significant digit.
c. Perform steps a. and b. again with the other digits to modify.
The ATN module attenuation is modified in real-time.
4.
Press one of the following control buttons:
•
ESCAPE
: to validate the displayed value and go back to the ATN-HP
Unit Setup
menu.
•
EXIT
: to display the
System Status
screen.
6.2.3
Step-Adjusting the ATN Attenuation
Subject
The following procedure explains how to modify the attenuation step by step using the
attenuation increment defined in the
Set Step
menu.
The initial attenuation value is originally defined in the
Set
Attenuation
menu (see
Setting the Attenuation to a Definite Value, p. 51
Before Starting
Verify the selected attenuation value (see section
Setting the Attenuation to a Definite
)
Procedure
1.
Access the
ATN Unit Setup
Accessing an OSICS Module Setup
).
2.
Expand the
Step
menu and enter the
Set Step
sub-menu.
The
Set Step
sub-menu appears and displays the current value of the attenuation
step in dB.
Figure 26: ATN Unit Setup – Set Step sub-menu
3.
Modify the step value as follows:
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.
Main
EXIT
1
2
3
4
5
6
7
8
ATN Unit Setup - Set Step
ESCAPE
▲
Step : +01.00 dB
Modify the value.
ENTER
