Table of Contents
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PARAMETER
• SELECT: toggles front panel display between current
• SET: when pressed allows the user to change the
Parameter setting is accomplished by first pressing the select button until the
parameter to be modified is selected. If the set button is pressed within this time,
the parameter indicator will flash and the adjust knob may be used to adjust the
value. After adjustment and the adjust knob is idle for approximately 3 seconds,
the value will be stored.
MODE
• I: unit is configured for constant current bandwidth limited mode
• P: unit is configured for constant power mode
• I
• ON: the output is enabled; the LDX-32420 is controlling current
• SELECT: switches between constant current and constant
• OUTPUT: enables or disables the current source output
Instrument mode setting is accomplished by pressing the select button and as
indicated by the respective LED. The current source output is enabled or disabled
with the output push button.
RANGE
The range button toggles between 10A and 20A
ranges. The output must be off and the button must be
pressed twice within one second to change ranges.
Independent limits and setpoints are saved under each
range. Changing the range with the output enabled will
automatically disable the output.
01_10
limit (LIM I), power limit (LIM P), photodiode
responsivity (CAL PD), compliance voltage limit (LIM
V), and save and recall bins
active parameter or recall and save bins. With the
GPIB address displayed by pressing the local button;
pressing and holding the set button will change the
GPIB address
: unit is configured for constant current maximum
HBW
bandwidth mode
to the laser diode
power modes of operation; output must be off to change modes
O P E R A T I O N
Front Panel Operation
2
C H A P T E R
17
LDX-32420
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Table of Contents
Troubleshooting
