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Press the ON switch again to turn the output off. When the output is off, the display shows the
desired optical output power. The following conditions automatically shut off the laser output:
• Keylock switch turned to off.
• AC Power Line Failure.
• Any internal hardware/software communication failure.
GPIB Section
The GPIB section is located next to the power keylock switch at the bottom center of the 8033 front
panel (see Figure 2.4 on page 12). The GPIB section contains the LOCAL/ADR switch and the
REMOTE indicator. The functions of the indicator and switch are related to GPIB operations, as
described below.
LOCAL control
The LOCAL/ADR switch is used for several functions. When the 8033 is in REMOTE all front panel
controls are disabled except LOCAL/ADR. Press the LOCAL/ADR switch to return the device to
LOCAL control, thus, re−enabling the front panel.
If the Local Lockout state has been activated by the host computer even the LOCAL/ADR switch is
disabled. In this case, the host computer must deactivate the Local Lockout before front panel
control can be restored.
When the unit is in LOCAL mode, pressing the LOCAL/ADR switch causes the GPIB address to be
displayed, e.g. "−01−".
REMOTE control
Whenever the MPS−8033 is addressed by a system controller the REMOTE indicator illuminates and
the front panel is disabled from manual control. Press LOCAL/ADR to return to local (manual)
control.
7/01
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Introduction to the MPS-8033 Front Panel
Optical
Output
Switch
Figure 2.3 Output Section
L O C A L O P E R A T I O N
2
C H A P T E R
11
MPS-8033
!
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Table of Contents
Troubleshooting
