Explanation Of Led - Hitachi 902 Service Manual

(3) External View
LED
GMCONT
GPCONT1
GPCONT2
GPCONT3
GPCONT4

Explanation of LED

No. Name
1 LED1 (green)
2 LED2 (green)
DIP SW1
Lit upon generation of interrupt from any of GPCONT1 to GPCONT4 and
GMCONT to master CPU.
Lit upon generation of interrupt from any of GPCONT5 to GPCONT8 to
master CPU.
10 - 15
DIP SW2
Description
GPCONT5
GPCONT6
GPCONT7
GPCONT8