Chapter 7. Busy Indicator; Flashing Pattern And Drives Internal Condition - Sony SMO-F551 Technical Manual

Chapter 7. BUSY INDICATOR

The SMO-F551 supports the BUSY indicator notification. The following table shows
the flashing pattern of the LED and their means.

Flashing Pattern and Drives Internal Condition

LED Flashing Pattern
Lights ON
NORMAL Flashing
0.8 sec cycle
ON : OFF = 1 : 1
RAPID Flashing
0.2 sec cycle
ON : OFF = 1 : 1
SLOW Flashing
2 sec cycle
ON : OFF = 1 : 19
Lights OFF
BUSY (amber)
- accessing disk
- loading/unloading
(spin up/spin down)
- Power-On Diagnostic
- pending Eject
(Eject requested while
accessing/loading/spinning
up)
- Power-On Diagnostic error
- temperature warning
- disk NOT inserted
- after spin down
- power off
* (Drive NOT Ready)
READY (green)
- disk at accessible state
* (Drive Ready)
- inaccessible disk inserted
(example: unformatted disk)
* (Drive NOT Ready)
- not available
- not available
SMO-F551 Technical Guide and Specifications
Sony Corporation 1998
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