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Configure the write laser control mode.
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| The user can use the monitor command sys laser on to turn on the write laser. While the monitor command laser on will turn on the write laser in blocking mode ( the monitor command will wait for completion ), the monitor commands sys laser on and sys laser state will turn on the write laser in non-blocking mode ( the monitor commands will return immediately ). This allows multiple functions to be performed simultaneously.
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| For example, the user can use the monitor command sys laser on to initiate the "On" write laser control mode to turn on the write laser. If successful, the exposure head will continue to turn on the write laser while the user can continue with other processing ( for example, initiating a focus learn ). The user can use the monitor command sys laser state to determine the status of the write laser control mode.
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| If the user attempts to access the write laser while the exposure head is turning on the write laser ( for example, a stroke calibration ), an error will indicate that a command is in progress. However, the user can use the monitor command sys plot abort to abort turning on the write laser.
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| The user can use the monitor command sys laser standby to set the write laser standby. If enabled, the exposure head will leave the write laser on between plots to extend the lifetime of the write laser. To prevent affecting the accrual time of the light valve, the light valve polarity is alternated periodically. Upon timeout of the write laser standby, the exposure head will automatically turn off the write laser. Note that write laser standby may be aborted by the next plot, by turning on the write laser or by turning off the write laser.
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| The user can use the monitor command sys laser off to turn off the write laser. Whether successful or unsuccessful, the write laser has been turned off.
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| The user can use the monitor command sys laser anneal to initiate light valve annealing. If required, the exposure head will use the write laser to perform light valve annealing. When the light valve annealing is complete, the exposure head will automatically turn off the write laser. Note that light valve annealing may be aborted by the next plot, by turning on the write laser or by turning off the write laser.
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| The user can use the monitor command sys laser to display the state of the write laser. If the write laser has been turned on ( or is being turned on ) in power mode, the information displayed is as follows:
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| SYS: Mode=On
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| SYS: Setpoint Power=<Setpoint Power> Watts
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| SYS: Laser Power=<Laser Power> Watts
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| If the write laser has been turned on ( or is being turned on ) in current mode, the information displayed is as follows:
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| SYS: Mode=On
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| SYS: Setpoint Current=<Setpoint Current> Amps
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| SYS: Laser Current=<Laser Current> Amps
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| If the write laser has been disabled ( by the NVS parameter sys laserenable ), the information displayed is as follows:
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| SYS: Mode=Disable
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| If the write laser has been turned off, the information displayed is as follows:
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| SYS: Mode=Off
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| Note that the user should determine when the write laser has been turned on from the monitor command sys laser state and not the monitor command sys laser. While the monitor command sys laser will display the state of the write laser, the firmware will consider various factors before concluding the write laser has been turned on successfully.
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Thermal 1.0 / 1.7x equivalents:
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- The monitor command sys laser [on|standby|off] is comparable to laser [on|standby|off].
- The monitor command sys laser anneal does not have an equivalent.
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| Thermal 2 equivalents:
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- The monitor command sys laser [on|off] is comparable to sys laser [on|off].
- The monitor command sys laser standby does not have an equivalent.
- The monitor command sys laser anneal does not have an equivalent.
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COMMAND: laser (on|off)
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COMMAND: sys plot (init|start|pause|restart|stop|abort)
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COMMAND: sys laser state
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PARAMETER: sys plotenable
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PARAMETER: sys bipolarcal
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PARAMETER: sys laserenable
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PARAMETER: sys laseranneal
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ERRORCODE: [05632] The write laser control mode is in progress
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ERRORCODE: [05635] Timeout waiting for the write laser
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ERRORCODE: [05638] The write laser control mode has been aborted
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The monitor command sys laser [on|standby|off|anneal] corresponds to the API functions CEH_WriteLaserMode( ) and CEH_WriteLaserInfo( ) in the CEH API document.
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