Quantum HD 9021 Marine Radio User Manual


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ENGLISH
– 36 –
BLOCK DIAGRAM
MICROPROCESSOR LCD
LOW VOLTAGE
DETECTOR
RS232
KEYBOARD
A/D
CONVERTER
INPUT A
CONNECTOR
INPUT B
CONNECTOR
Signal
Signal
Probe Type
Probe Type
(Range)
(Range)
500 mV
TR2
POWER
SUPPLY
TR1
4V
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