Tunable Laser
Source
FLS-2800
FLS-2800 (v1.1)
15
The LCD Control Interface
The
LCD Control Interface
provides an accessible menu system that is used to set and configure the
optical characteristics of the FLS-2800 laser sources.
Navigating within the LCD Control Interface
Navigation of the system menu is achieved
by turning the control knob clockwise (up)
or counter clockwise (down). The arrow
cursor identifies the current menu location.
Once this arrow is at the desired menu
item, pressing in the control knob once will
activate this menu item.
Figure 5 – LCD Control Interface Arrow Cursor
I
MPORTANT
To cancel the changing of any selected menu item, let the menu sit idle for
10 seconds (do not move or press in the control knob) and the LCD will
revert back to the main display discarding any changes made during the
selection.
Changing Numerical Values
To change numerical values, use the control knob to move the arrow to the line of the value that you
desire to change. Press the control knob in once and the arrow cursor will change to an asterisk (*)
and you are then able to increment and decrement the value by turning the control knob clockwise
and counter clockwise respectively. Once the desired value is reached, press the control knob to set
this value. If the value is a frequency or wavelength, then the asterisk will remain while the new
value is being locked.
Changing Numerical Units
To change between numerical units, navigate to the ‘
Settings’
menu and select ‘
Units’
. Within this
menu you can change between THz or nm (for frequency and wavelength) and dBm or mW (for
optical power output). Navigate to the desired unit and press the control knob, once selected turn
the control knob to toggle between the two options for the selected unit. Press the control knob to
set the unit when finished. To exit the ‘
Units’
menu, navigate to ‘
Done’
and press the control knob or
let the menu timeout and return to the main display.
Changing Step Size
To change the step size for a laser source, navigate to the ‘
Settings’
menu and select ‘
Step
Size’
. The
step size can be changed between 50 GHz, 25 GHz or 100 MHz. Navigate to the desired laser source
and press the control knob, once selected turn the control knob to cycle up and down through these
values. Press the control knob in to set the desired step size. To exit the ‘Step Size’ menu, navigate to
‘Done’ and press the control knob or let the menu timeout and return to the main display.
Viewing Network Settings
To view the current network configuration of the instrument, navigate to the
'Settings'
menu and
select
'Networking'
. Next, select the networking interface to view
'Ethernet'
or
'USB'
. Once selected
the configuration of the interface including the IP address i.e. 'Address', subnet mask i.e.
'Netmask'
,
