Icom IC-T3H, Инструкция по эксплуатации

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1
PANEL DESCRIPTION
r
SQUELCH SWITCH [SQL]
Push and hold to force the squelch open and to adjust the
squelch level with [
Y
]/[
Z
] keys .
t
UP/DOWN KEYS [
Y
]/[
Z
]
A
Selects the operating channel or adjusts the squelch level.
B
Adjusts the audio level.
• The function
B
is available when [VOL] is assigned as “dial” in
INI
-
TIAL SET MODE
(p. 50).
y
KEY PAD (pgs. 3–6)
Used to enter operating frequency, the DTMF codes, etc.
u
ANTENNA CONNECTOR
Connects the supplied antenna.
i
[SP]/[MIC] JACK
Connect an optional speaker-microphone or headset, if desired.
The internal microphone and speaker will not function when ei-
ther is connected.
D
External connection
NOTE:
When connecting or disconnecting an external
speaker-microphone, first turn the transceiver’s power OFF.
o
FUNCTION DISPLAY (pgs 7, 8)
[SP] jack
SP
SP
GND
[MIC] jack
MIC
MIC
GND
PTT
MIC
5 V
MIC GND
SP (AF OUT)
SP GND
External microphone
(Nominal impedance 2 k
Ω
)
33 k
Ω
External speaker
(Nominal impedance 8
Ω
)
ø3.5 mm
plug
ø2.5 mm
plug
IC-T3H.qxd 03.2.6 10:18 Page 2 (1,1)