42
KBP-500/KBP-300/KB-280/KB-180/SKB-180
50
1
2
+
-
A-B
43
A
2
1
●
* KBP-300/KB-180/SKB-180
3-5
101
User 1
101–105
201–299
50
103
User 3
•
+
-
101