Function Of Switches; Board - Sony SRW-1 Maintenance Manual

1-14. Function of Switches

1-14-1. APR-65 Board
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Never change the settings of "factory use" switches.
F
J H G
S102
S101
S401
APR-65 Board (Side B)
Ref. No. Bit Name
S101 — CPU RESET
S102 1 —
2 to 4 —
S401 — EJECT
S700 1 DSP Write
2 Test SG
3 Meter Super Fine
4 —
S701 — DSP RESET
SRW-1
E D C B
S701
Description
Resets CPU
ON: Boot mode on
A mode to write an application when it is not
written or when upgrading failed
OFF: Application mode
Factory use
Ejects cassette tape
ON: Disables write mode for DSP debug
OFF: Enables write mode for DSP debug
ON: Enables internal audio test signal 1 kHz/_20
dBFs output
OFF: Disables internal audio test signal
ON: Sets audio level meter to 0.1 dB/SEG
OFF: Sets audio level meter to normal indication
Factory use
Resets DSP
A
1
2
S700
3
4
5
<Top view>
Factory setting
—
OFF
OFF
—
ON
OFF
OFF
OFF
—
1-21 (E)