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FEATURES
of ATRS
7. Alarm indicators
As well as the back-up battery indicator,
alarm indications are given when the
leader tape is used for testing and when there
is no data in the memory selected.
8. ATRS indicators
The frequency being tested is indicated so
that the progress of the ATRS test can
be seen at a glance.
igh frequency
Input amplifier
Mechanism drive
circuit
Equalizer
amplifier
A/D
Microprocessor
Indicator
converter
Input
he
battery
21
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