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24
2
INSTALLATION AND CONNECTIONS
2
■
Microphone connector information
(Front panel view)
y
GND (PTT ground)
t
PTT
r
Main readout squelch switch
q
Microphone input
w
+8 V DC output
e
Frequency up/down
i
Main readout AF output
(varies with [AF])
GND
(Microphone ground)
u
[MIC]
Pin No.
FUNCTION
DESCRIPTION
w
+8 V DC output
Max. 10 mA
e
Frequency up
Ground
Frequency down
Ground through 470
˘
r
Squelch open
“Low” level
Squelch closed
“High” level
CAUTION: DO NOT
short pin 2 to ground as this
can damage the internal 8 V regulator. DC voltage
is applied to pin 1 for microphone operation. Use
caution when using a non-Icom microphone.
■
Microphones
D
HM-36
q
w
q
w
r
e
q
UP AND DOWN SWITCHES [UP]/[DN]
Change the selected readout frequency or memory
channel.
• Holding down continuously changes the frequency or
memory channel.
• While holding down [XFC], the transmit readout
frequency can be controlled while in the split frequency
mode.
• The [UP] and [DN] switches can simulate a key paddle.
Preset in the keyer set mode. (p. 49)
w
PTT SWITCH
Hold down to transmit, release to receive.
Summary of Contents for IC-7600
Page 1: ...INSTRUCTION MANUAL HF 50 MHz TRANSCEIVER i7600 ...
Page 192: ...MEMO ...
Page 193: ...MEMO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ...
Page 194: ...MEMO ...
Page 195: ...MEMO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ...