
14
be used as a reference for the light the SLED is emitting. Note that monitor diode value
will vary depending on the SLED operating current.
By default, Modulation will be Off. However, the user can enable Modulation by clicking
the
“
Modulation
”
button in the bottom right of the main console to open Modulation
Settings. With the Modulation Settings window open, the user may then enable
modulation
by setting “Enable Modulation” to “ON”. Note that the SLED power must
first to be set to “ON” in order to open
the Modulation window. Once Modulation is
enabled, the user Can enable modulation for the SLED. Note that if the SLED modulation
setting is in the “OFF” position, no current will be sent to the SLED even if modulation
mode is enabled. Maximum Modulation Current is displayed, and is dictated by the SLED
current setting in the Main Window. Note that once Modulation is enabled, this current
setting is not variable, and the user must disable modulation in order to change it.
The Modulation Frequency has a default of 1kHz with a 50% Duty Cycle. Modulation
frequency and/or Duty Cycle can be altered by the user by typing in the desired value
and clicking
the “Change” button next to the
desired text field. Modulation is specified
in Hz while Duty Cycle is specified as a percentage.
Figure 8: Modulation Settings Window