Sony MAV-555A Installation Manual page 36

2-2. Description of Internal Switches and Indicators
Status of the LEDs
1. LED indication during booting (D301-D308/D751-D758 Common)
: Lights up : Lights off
D301 ---------------- D308
D751 ---------------- D758
2-12 (E)
Operating status
Boot Check
RAM memory Test
FM : 2nd DRAM setup
FM : SDRAM UPMB setup
Program Loader
P-Falsh AP startup processing
Compatibility setup with the Ver 1.0x series
Data, BSS area initialization
AP execution
RAM Error
No Program
MAV-555A