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A typical sweep run takes about five seconds. It has a parallel printer output that can print graphics on Epson-protocol dot-matrix printers. | A typical sweep run takes about five seconds. It has a parallel printer output that can print graphics on Epson-protocol dot-matrix printers. | ||
The 571 can store a set of ''reference'' curves, which are displayed as a background for subsequent measurement runs. | |||
This | This helps the operator compare and match devices. | ||
The 571 has a | The 571 has a field of parallel-connected sockets to accommodate many different semiconductor package types. | ||
Details can be seen in the photographs below. | Details can be seen in the photographs below. | ||
Because | Because electronic component testing sometimes involves exposing components | ||
at certain settings the 571 will refuse to start a measurement cycle until the user lowers the built-in hinged plastic shield over the socket area. | to hazardous voltages and operating conditions, | ||
This is to protect the user from both high voltage and high-velocity flying debris in the event of a catastrophic component failure during a test run. | at certain settings the 571 will refuse to start a measurement cycle | ||
The shield is made of a thick high-impact plastic, and the 571 has an internal microswitch so its firmware knows if the shield is in the up or down position. | until the user lowers the built-in hinged plastic shield over the socket area. | ||
This is to protect the user from both high voltage and high-velocity flying debris | |||
in the event of a catastrophic component failure during a test run. | |||
The shield is made of a thick high-impact plastic, | |||
and the 571 has an internal microswitch so its firmware knows if the shield is in the up or down position. | |||
==Internals== | ==Internals== | ||