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General| Connector | 8-pin modular |
|---|---|
| PTT Switch | Yes |
| Frequency Response | 300 Hz - 3 kHz |
| Compatible Icom Models | IC-7000 |
| Type | Handheld Dynamic Microphone |
Turns the HM-127 power ON or OFF.
Push and hold to transmit; release to receive.
Change operating channel, set mode contents, or adjust LCD brightness.
Selects channel 16 or call channel, or enters programming.
Toggles channels and weather channels.
Toggles attenuator, intercom, or scrambler functions.
Sets squelch level, activates monitor, or toggles lock.
Adjusts audio level or LCD/switch brightness.
Toggles high/low transmit power.
Starts/stops scan or sets tag channels.
Electronically locks keys to prevent accidental changes.
Locks all keys except PWR and PTT.
Indicates International, U.S.A., or Canadian channel.
Appears when the key lock function is in use.
Indicates the selected operating channel number.
Appears while audio output level is adjusted.
Appears while noise squelch level is adjusted.
Displays channel comments or set mode items.
Appears when the RF attenuator is in use.
Appears when an optional voice scrambler is activated.
Shows scan status (normal or priority).
Indicates priority channel during scan or watch.
Shows DUAL or TRI watch status.
Shows weather channel or alert status.
Appears when low power is selected.
Appears when the call channel is selected.
Appears when a duplex channel is selected.
Appears when a tag channel is selected.
Appears when receiving a signal or squelch opens.
Appears while transmitting.
Connects HM-127 directly or via cable for remote operation.
Installs cable as a wall socket using mounting base.
Procedure to select channel 16.
Procedure to select the call channel.
Procedure to select weather channels.
Selects channel groups (USA, INT, CAN).
Steps to turn power ON and select a channel.
How to adjust audio output level and squelch.
Selects high or low transmit power.
Steps to transmit and speak into the microphone.
How to receive signals and adjust audio.
Locks keys to prevent accidental changes.
Locks all keys except PWR and PTT.
Turns the voice scrambler function ON or OFF.
Sets scramble codes for communication.
Turns the microphone beep output ON or OFF.
Adjusts the microphone LCD contrast.
Activates the intercom function for talking.
Emits an intercom beep while holding.
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