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TRC-70
CIRCUIT DESCRIPTION
reception mode.
TT
TT
|
Ll
|
aaa
ise
rane
|
|
|
©
®
[mic KY 1
a
|
Ld
Y
LU
d
(Viewed from the section)
Fig. 22 Handset connection
Qo :
100K
5 &:pin MIC pin 3
(DOWN)
1 Off hook switch off
(DOWN)
Y
Off hook switch on
2)
To MIC jack on front panel
2)
To MIC jack on front panel
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