Tsunami - Beckman Institute Laser Resource Center

Controls, Indicators and Connections
MODE LOCKER BNC connector-sends the rf signal to the laser head
AOM. Attach it to the ML connector on the right side of the laser head
input bezel. Do not attach it to the LTC PD or ML PD connectors! The three
BNC connectors on the laser head provide difSerent output signal levels
that can damage the receiving device if they are connected to the wrong
receivel:
TO HEAD main signal D-sub connector (25-pin)-connects the signal,
heater, and power supply lines to the male, 25-pin, TO 3955 connector on
the laser head input bezel.
Power cord connector-connector for a standard line cord to attach the
Tsunami electronics to facility line power. (It is part of the power switch
assembly.)
Power switch-turns power on and off to the Model 3955 and the Tsunami
electronics located in the laser head. It is located next to the power cord
connector.
Voltage select switch-provides the means to match the electronics input
power to your facility line voltage. Input voltage selections are 100, 120,
220, and 240 V,,. Appendix C describes how to set the switch and select
the fuse rating for your location.
WARNING
Verify the voltage select switch is set to match the ac line voltage of
your facility. An improper selection will damage the electronics. Refer
to appendix C for information on changing the setting.
Model 3910 Purge Unit Controls
The Model 3910 contains oil and air filters and a molecular-sieve assembly
to dry and clean nitrogen gas for purging the Tsunami laser head. It
has one control and two connectors. Refer to Figure 4-9.
FLOW ADJUST knob-used to set the laser head purge rate (gas flow)
from 0.3 to 3.0 m3/hr (1.0 to 10.0 SCFH).
Flow adjust indicator--displays the nitrogen gas flow rate.
OUTPUT connector--connects the Model 3910 to the laser head to provide
dried, filtered, nitrogen gas.
INPUT FROM GAS CYLINDER connector+onnects the Model 3910 to a
dry nitrogen gas supply. Limit the input pressure to 67 kPa (10 psi).