SPC 3604N, User Manual, Page: 2 / 11

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Calculator and key tone function
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Set PABX code
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16 levels of LCD contrast
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Pulse/Tone dialing mode compatible
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4 levels of hands-free volume for selection
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Ringing volume 5 steps selectable
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LCD Backlight function
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Thunder-proof and anti-dialing from parallel phones
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Hands-free dialing and speaking function
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In use LED indicator