line voltage setting. Configured for line voltages of 100/220V or
120/240V. (Depend on the power utility in your area.)
6. Option Slot: Designed for installing an optional multi-point scanner
card (Model: M3500-opt01 or M3500-opt09).
7. Option GPIB (IEEE488 Connection)/RS-232: Connects a remote
computer with an IEEE488 cable or with a DB-9 cable for changing
operation environment instead of the front panel control (Model:
M3500-opt04/M3500-opt06).
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