Polarization Extinction Ratio Meter PEM-340
8-1
8
Operation Procedures
8-1. Power On / Off
This display indicates the set measurement
wavelength. In this example the measurement
wavelength is 1550.
This display indicates the currently set GPIB
address and delimiter. In this example the
address is 01 and the delimiter is CR+LF.
The power cord socket is located on the unit’s rear panel. Check that the local mains voltage is
within the specication, and plug the power cord into the socket. Connecting an incorrect voltage
will cause damage to the unit.
The main ‘Power On’ switch is a key switch located on the front panel. Insert the key and rotate
clockwise 90 degrees to switch the unit on. The key can only be inserted or removed when it is in
the vertical ‘Off’ position. The unit will perform a short initialization and check procedure lasting
about ten seconds. The display will sequence through the following patterns.
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