Ocean Optics OOISensors - Manual (Page 105)

6: Hardware Data Sheets and Instructions
Using the Continuous Mode
► Procedure
1. Turn the switch on the back of the LS-450 to Contin. This means that the light coming from the
LS-450 is continuous.
2. Change the position switch to Off to turn off the lamp.
Using the Pulsed Mode
► Procedure
1. Plug one end of the DB-15 accessory connector into the back of the LS-450 and the other end into
the back of the S2000.
2. Turn the switch on the back of the LS-450 to "pulsed" for pulsed mode of operation. In this mode,
the spectrometer controls the pulsing of the LS-450.
3. Remove the spectrometer from its housing. Do not tamper with the optical bench.
Note
If you have more than one channel in your system, you may have to disconnect the channels from
one another. The master spectrometer channel is always on the bottom of a multiple channel
system.
4. Locate Jumper Block 3 (JP3). This jumper block consists of 10 pins, which are labeled by rows:
/16, /14, /12, /10 and 2.
• Consult the table below for information on which pins you should jumper to create the
required pulses per second for the A/D converter interfaced to the S2000. (The default setting
from the factory is /16.) For example, if you have an ADC1000 A/D converter, you have four
choices for how many pulses per second can come out of your LS-450: 976, 244, 60 and 15.
If you select 244 pulses per second, place a jumper over the pins next to the /14 label.
S2000 JP3 Post # DAQ700 Frequency (Hz) SAD500 Frequency (Hz) ADC1000 Frequency (Hz)
/10 98.0 488.0 976.0
/12 24.0 122.0 244.0
/14 6.1 30.0 60.0
/16 1.5 7.6 15.2
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