Icom IC-R2 Service Manual page 13

CONNECTION
Terminator for the entering
adjustment mode
+
68 k
-
1/8" (3.5 mm)
3-conductor plug
DC power supply
3.0 V/1.0 A
+
-
to [SP] jack
Standard signal
generator
5 - 2
AD-92SMA
Optional SMA–BNC adaptor