OPERATIONS
Operating from the Front Panel
7/01 LDC-3700 Series 19
CHAPTER 2
enabled. The instrument drives the current source to the value set by the corresponding LASER
MODE set point. The Output switch has a toggling action. Pressing the switch again disables the
current source output. When the LASER output is off, an internal short is placed across the LASER
output and the Output Shorted indicator illuminates. The default condition for the current source
output is off when the instrument is first powered up.
Automatic Shutoff Conditions for Laser Output
The following conditions automatically cause the instrument to disable the current source output
from the instrument:
• LASER High Power Limit
• LASER Interlock/Key Lock turned off
• LASER Open Circuit or Voltage Limit
• TEC High Temperature Limit Condition
ON
OUTPUT
I
HBW
I
SELECT
LASER M ODE
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