Fluorolog-3 v. 2.2 (10 Sep 2002)
Components & Accessories
6-35
Model TRIG-15/25 External Trigger
Accessory
The TRIG-15/25 accessory permits the fluorescence system to be operated with almost
any external trigger stimulus. Data acquisition can be synchronized with external
events, either automatically following a voltage pulse (minimum 3 V above ground), or
manually by pushing a button on a trigger-release cable. Multiple trigger events are re-
corded and stored with the associated data file. A TTL trigger output also is provided,
for activating external devices, such as a stopped-flow unit. The front panel has four
sets of banana-jack inputs for two independent trigger inputs, Trigger 1 and Trigger 2.
Model TRIG-15/25 External Trigger Accessory.
There are two sets of jacks for each of these two trigger inputs: an upper set, for manual
switch inputs, and a lower set, for pulsed voltage inputs. These two input types can be
used simultaneously, but any one event is ignored while the interface is activated by
another.
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