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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
TIAL SET MODE
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.
SP (AF OUT)
SP GND
MIC
5 V
MIC GND
o FUNCTION DISPLAY (pgs 7, 8)
(p. 50).
[SP] jack
[MIC] jack
PANEL DESCRIPTION
External speaker
ø3.5 mm
(Nominal impedance 8 Ω)
plug
External microphone
ø2.5 mm
(Nominal impedance 2 kΩ)
plug
33 kΩ
PTT
1
-
INI
SP
SP
GND
MIC
MIC
GND
2
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