Monitor Switch - Kenwood TH-25A Series Instruction Manual

RS)
@ Release button
ip Press this button up to
release the battery pack.
KENWOOD
THASA
c) @) F. Lock key
le This key will deactivate
all functions except the
i
:
NESp zee
Lamp, MONI, PTT func-
e tions.
430MHz FM TRANSCEIVER
6) Speaker
62 Microphone
63 Battery case
84 SP jack
This jack is used to con-
TH-454
@ MONITOR switch
10
When operating in the CTCSS (Tone Squeich) mode
you can use this key to determine if the frequency is in
use before transmitting. Pressing this key will disable
the CTCSS function as long as the key is held depress-
ed.
Lamp switch
This switch is used to control the night lamp on the
LCD display. The lamp will turn itself OFF automatical-
ly 5 seconds after the last key operation.
PTT (Push To Talk) switch
Press this switch whenever you wish to transmit.
TH-45AT
nect an external speaker
or earphone. The recom-
mended impedance is
8a.
@) MIC jack
This jack is used for con-
nection of an external
microphone. The use of
an electret type micro-
phone is recommended.
Input impedance is 2 kQ and the DC voltage on this ter-
minal is Approx. 4 V (MAX 3.5 mA).
Note:
The use of a dynamic microphone is not recommended.
Speaker 1
sp tN, &
Ground &
* i
5V '
5V
MIC
MIC 13)
PIT =
PIT
H
fe
H '4 Pa