Page 14 · 6300 Series ComboSource User’s Manual
Mode Setpoint Displayed Measurements
Laser
Io Current (mA) PD current or power and voltage
Im PD current (μA) Current and voltage
Po PD power (mW) Current and voltage
Vf Voltage (V) Current and PD current or power
TEC
T Temperature (°C) Temperature, current and voltage
R Sensor (kΩ, mV, uA, or Ω) Sensor, current and voltage
ITE TEC current (A) Temperature, current and voltage
The instrument will show photodiode current or photodiode power, depending
on the value of PD Resp. Photodiode current is shown whenever PD Resp is
zero, while photodiode power will be shown whenever PD Resp is non-zero.
See the Laser or TEC Control Modes sections below for more information on the
various modes.
Status Messages
The instrument will display status messages in upper right corner indicating
several different conditions for the laser that may be of interest to the user. If
multiple conditions exist simultaneously, then the instrument will cycle through
each condition, displaying each status message for approximately one second.
Possible laser condition messages are:
LoBW The unit is in Io (LoBW) mode.
HiBW The unit is in Io (HiBW) mode.
Script The unit is executing a script or remote command.
Lock The interlock is open and the unit cannot be turned on.
Shrt A short circuit has been detected on the output.
ILim The unit is in current limit.
MLim The unit is in photodiode current limit.
PLim The unit is in photodiode power limit.
Notice that LoBW and HiBW mode indicators are in reverse text, and are used to
highlight the operating mode.
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