Precision II Operation and Maintenance Manual
C
2-12
996-0255 rev. b
100 ms @ 10 Hz
Period for systems
10 Hz 100 ms
20 Hz 50 ms
30 Hz 33 ms
50 Hz 20 ms
CU 601C “CHARGE”
command to PU
Precision II series chronograph.
5 V
0 V
5 V
0 V
5 V
0 V
5 V
0 V
“End of Charge”
from PU to CU601C
Fire
Flashlamps
Open Q-switch
Laser Output
“VARIABLE” SYNC
Flashlamp
discharge
Charging time varies
with line voltage and
cap charge voltage.
Variable between 100 - 600 ms
250 ms FWHM
~80 ns
Sync pulse that can be adjusted to
occur 175 ns before or after
laser output
175 ns 175 ns
BNC located on front of CU601C
chronograph