ILX Lightwave LDC-3700B Series - Page 125

COMMAND REFERENCE
Command Reference
110 LDC-3700 Series
CHAPTER 4
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The TEC:V command sets the TEC voltage value for calibration mode.
Parameters An <nrf value> which represents a TEC voltage calibration value.
Notes If the user attempts to use this command when not in TEC voltage calibration, an error E−419 will be
generated.
Examples "TEC:V 5.4" −action: the TEC voltage calibration accepts 5.4 volts as a calibration value.
"Tec:v −3.9" −action: the TEC voltage calibration accepts −3.9 volts as a calibration value.
The TEC:V? returns the most recent TEC voltage measurement.
Notes The TEC voltage measurement may only be read remotely.
The TEC voltage measurement response indicates the actual voltage at the TEC output. Even when
the TEC output is off, there is a voltage present. This voltage is due to a small leakage current which
flows across the high impedance TEC output circuit.
Examples "Tec:V?" −response: "0.2", means the LDC−3700B Series Laser Diode Controller has a TEC voltage
of 0.2 volts.
"TEC:v?" −response: "1.2", means the LDC−3700B Series Laser Diode Controller has a TEC
voltage of 1.2 volts.
The TERM command allows the programmer to change the default (IEEE488.2 standard)
terminator to include the carriage return.
Parameters An <nrf value>, 0 = FALSE, non−zero = TRUE
Notes An altered terminator will be in the form <CR><NL><^END>. This technically takes the LDC−3700B
Series Controller out of IEEE488.2 specification, but may be done for convenience when using non
standard GPIB controllers. This termination will be sent with all output until the "TERM 0" command
is sent or the 3700B Series Controller is powered off.
Examples "Term 1" −temporarily sets <CR><NL><^END> as the output terminator.
"Term?" −response: 0, means that the <NL><^END> terminator (IEEE488.2 standard) is being
used.
TEC:V
COMMON
DEVICE DEPENDENT
FRONT PANEL
TEC:V?
COMMON
DEVICE DEPENDENT
FRONT PANEL
TERM
COMMON
DEVICE DEPENDENT
FRONT PANEL
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