Icom IC-T7H Instruction Manual page 6

1
PANEL DESCRIPTION
PTT SWITCH [PTT] (p. 12)
Push and hold to transmit; release to receive.
LOCK SWITCH [LOCK]
Slide up to turn the lock function ON.
• [PTT], [VOL], [H/L], [MONI] and [POWER] function even
when the lock function is activated.
ANTENNA CONNECTOR (p. 9)
Connects the supplied antenna.
EXTERNAL SPEAKER AND MICROPHONE JACKS
[SP/MIC]
Connect an optional speaker-microphone or headset, if de-
sired. The internal microphone and speaker will not func-
tion when either is connected. (See p. 28 for options.)
D
External connection
[SP]
Remote
MIC
[MIC]
3.5 V
PTT
TUNING DIAL [DIAL]
Rotate [DIAL] to set an operating frequency, select a mem-
ory channel, select set mode contents, change scan direc-
tion, etc.
2
This connec-
Audio out
(8 ) tion does not
apply when a
condensor mi-
33 k
Audio input
(2 k )
crophone is
connected.
PTT
VOLUME CONTROL [VOL]
Rotate [VOL] clockwise to increase volume and counter-
clockwise to decrease volume.
RX/TX INDICATOR [RX/TX] (p. 12)
Lights green while receiving a signal or when the squelch is
open; lights red while transmitting.
MONITOR SWITCH [MONI] (p. 12)
Push and hold this switch to force the squelch
open; release to close it again.
MONI
Push twice to keep the squelch open; push again
to close it.
While pushing this switch, rotate [DIAL] to set the
squelch level.
While pushing [PTT], push this switch to transmit
a DTMF memory.
POWER SWITCH [POWER]
Push for 1 sec. to toggle power ON and OFF.
POWER
• Battery voltage appears for 1 sec. after power ON.
BAND SWITCH [BAND/SCAN]
Push to toggle between VHF and UHF operation
SCAN
except in memory mode (p. 10).
Push and hold to indicate the selected scan
range (or band) and to start scanning (p. 18).
• While scanning, each push of this switch changes the
selected scan range.