BRUEL & KJAER 1053 Instruction Manual page 42

Vibration exciter control
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34
To operate the 4913 with the 1 053, proceed as follows:
1.
Connect the Lamp Unit US 0008 to the Stroboscope Type 4913, following the prelimi-
.
nary adjustments given in the instruction manual for the stroboscope.
2.
Connect either the 7V L 0° or 7V L 90° OUTPUT to the Ext. Trigger input of the
4913, using cable AO 0087.
3.
Set the 4913 controls to Trigger Source "Ext.", Function Selector "Slow Motion"
and Display Selector "Slow Motion Frequency, Hz".
4.
Once the 1053 is in operation, press the button on the handle of the Lamp Unit to
initiate synchronized flashing, and adjust the Slow Motion offset frequency to obtain
the desired image of the vibratory motion.

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