
2 INSTALLATION AND CONNECTIONS
■Microphone connector information(Front panel view)
| i AF output (varies with [AF]) |
q Microphone input | u GND |
| |
| (Microphone ground) |
w+8 V DC output y GND (PTT ground)
e Frequency up/down | t PTT |
r Squelch switch
[MIC] | FUNCTION | DESCRIPTION | |
Pin No. | |||
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w | +8 V DC output | Max. 10 mA | |
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| Frequency up | Ground | |
e |
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Frequency down | Ground through 470 Ω | ||
| |||
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r | Squelch open | “Low” level | |
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Squelch closed | “High” level | ||
| |||
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CAUTION: DO NOT short pin 2 to ground as this
can damage the internal 8 V regulator.
NOTE: DC voltage is applied to pin 1 for micro-
phone operation. Use caution when using a non-
Icom microphone.
q
w
e
Dq
Change the selected readout frequency or memory channel.
•Continuous pushing changes the frequency or memory channel number continuously.
•While pushing [XFC], the transmit readout frequency can be controlled while in split frequency operation.
•The [UP]/[DN] switch can simulate a key paddle. Preset in the keyer set mode. (p.
Push and hold to transmit; release to receive.
ePTT LOCK SWITCH (available for
w