Kenwood TH-26A Instruction Manual page 17

(1)Speaker
@Microphone
@Battery case
®DTMF PAD (with the TH-26AT
I
46AT)
This pad is used in conjunction with a repeater to
provide AUTDPATCH capabilities.
@ SPjack
This jack is used to connect an external speaker or
earphone. The recommended impedance is 80.
@ MICjack
This jack is used for connection of an external
microphone. The use of an electret type microphone is
recommended. Input impedance is 2kO and the DC
voltage on this terminal is Approx. 4 V (MAX 3.5 mAl·
Note
The use of a dynamic microphone is not recommend-
ed.
@ DC IN terminal
This terminal is used for an external power supply. Input
voltage is 13.8 VDC nominal. The center is the
+
side
and the sleeve is - side.
Note
You should turn the power switch OFF when connect-
ing a power source to this terminal. Pay close atten-
tion to the polarity.
As a precaution, do not remove the battery pack
when an external power supply is used.
Use the KENWOOD PG-2W or PG-3F optional cable for
the connection .
Speaker
:
"-
Sp
~
"
; V
.p2 .S
Plug
x
Ground
w
' "
,
5 V
,
0
5 V
!
M~C
V
~
.~
•
MIC
~
U
1\
lE
pn
,
+
10 .... F
pn
,
~
,
w
@ Fkey
This key is used to activate control of the functions
printed above the various controls. The "F" indicator
will turn ON for approximately 10 seconds after you
17