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USER CONFIGURABLE SETTINGS
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Function
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Jumper/Switch
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Position
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Factory configured - do not alter
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J4
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closed
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CPU speed select 25MHz
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J5
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pins 1 & 2 closed
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CPU speed select 20MHz
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J5
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pins 2 & 3 closed
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Monitor type select color
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J8
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pins 1 & 2 closed
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Monitor type select monochrome
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J8
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pins 2 & 3 closed
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NPU enabled
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J9
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pins 1 & 2 closed
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NPU disabled
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J9
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pins 2 & 3 closed
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NPU speed select 20MHz
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J12
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pins 1 & 2 closed
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NPU speed select 25MHz
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J12
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pins 1 & 2 open
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Battery select internal
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J13
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pins 1 & 2 closed
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Battery select external (6VDC)
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J13
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pins 3 & 4 closed
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Battery select external (4.5VDC)
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J13
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pins 5 & 6 closed
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NoteCPU speed select must not be changed while power is applied to the system.
Press (Ctrl) (Alt) (+) to change to the initial speed set using J5.
Pressing (Ctrl) (Alt) (-) switches to the opposite speed.
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