Radio Shack PRO-26 - Page 48

Unit [V]
Unit [V]
Ref. No.
Port
V
Remarks
1C505 36
0/1.0
ROW1 OFF/ON
37 0/1.0
ROW2 OFF/ON
38 0/1.0
ROW3 OFF/ON
39 3.9/0
COL1 OFF/ON
40
3.9/0 COL2 OFF/ON
41 3.9/0
COL3 OFF/ON
42 3.9/0 COL4 OFF/ON
43 3.9/0
COL5 OFF/ON
44 LCD: Step wave
45
LCD: Step wave
46
LCD: Step wave
47 LCD: Step wave
48
LCD: Step wave
49
LCD: Step wave
50
LCD: Step wave
51
LCD: Step wave
52 LCD: Step wave
53
LCD: Step wave
54
LCD: Step wave
55
LCD: Step wave
56
LCD: Step wave
57
LCD: Step wave
58
LCD: Step wave
59
LCD: Step wave
60
LCD: Step wave
61
LCD: Step wave
62 LCD: Step wave
63
LCD: Step wave
64
LCD: Step wave
65
NC
66
LCD: Step wave
67
LCD: Step wave
68
LCD: Step wave
69
LCD: Step wave
70
LCD: Step wave
71
LCD: Step wave
72
LCD: Step wave
73 NC
74 NC
75 NC
76
3.7
77 0/1.0
ROW3 OFF/ON
78 0/1.0
ROW4 OFF/ON
79
3.7/0 BEEP: Square wave
Ref. No.
Port V Remarks
IC505
80
NC
81
NC
82
NC
83
NC
84 0.7/3.7
LOCK/UNLOCK
85
0.7/3.7
Active high pulse
86 0/3.7
BL OFF/ON
87 0/3.7
Active high pulse
88 0
GND
89
4
90 0
GND
91 0
GND
92 0
GND
93
0
GND
94 0
GND
95
0 GND
96 0
GND
97
1.2
WFM, NO MOD 100 pV IN
98
1.5
NFM, NO MOD 100 pV IN
99 1.5
NFM, NO MOD 100 pV IN
100
3
Battery low
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