![Pioneer CDJ-400 - Cd/Media Player Service Manual Download Page 28](http://html.mh-extra.com/html/pioneer/cdj-400-cd-media-player/cdj-400-cd-media-player_service-manual_327961028.webp)
CDJ-400
28
1
2
3
4
1
2
3
4
C
D
F
A
B
E
6.2.3 Version Check mode
CALL
RELOOP/EXIT
PO
W
ER O
N
V
ersion Check Mode
(
V
er. 1.00 for the first
edition).
Hold the RELOOP/EXIT key
pressed for about 10 seconds.
Toggle operation
1
V
er. 1.00
V
ersion of the microcomputer
for the Player section (main
microcomputer)
↓
2
disp 1.00
V
ersion of the microcomputer
for the Display section
↓
3
DSP 1.00
V
ersion of the audio DSP
↓
4
FPGA 1.00
V
ersion of the FPGA
This is the mode for checking the software version of each microcomputer.
• Audio DSP and FPGA are the processors for audio processing and control of each signal, respectively, and operate
independently from the microcomputer for the Player section. However, their programs are stored in the flash ROM for the
microcomputer for the Player section and are transferred from the flash ROM to each processor each time the unit is turned
on.
• The version of the main microcomputer is also displayed in the TEMPO display when the unit enters Operation Check mode
for the Player section, mentioned above.
6.2.4 Updating Mode
PO
W
ER O
N
or
Disc for updating
Updating starts, and the
updating progress is
displayed in the PLAYI
N
G
ADDRESS section.
USB memory stick
with the updating file
(FAT format)
or
Disc for updating
USB memory stick
(FAT format)
The unit enters Updating mode
POWER
PO
W
ER OFF
POWER
N
ote:
N
E
V
ER turn the unit off, unplug the power cord, or remove the disc or USB memory stick before updating is completed.
FL Display
DOWN L A
O D
W
hen updating is completed
FL Display
COM P L T
E E