INTERCOM OPERATION (IC-M402A only) 7

Intercom operation

The optional Intercom function allows you to talk to the deck from the cabin. The optional HM-127 REMOTE-CONTROL MICROPHONE is required for Intercom operation.

Connect an optional HM-127 as described on pgs. 34, 57.

Transmitting is impossible during Intercom operation.

The received signal is muted during Intercom operation.

qPush [DSC•IC] for 1 sec. to enter Intercom mode.

The HM-127 power is automatically turned ON, even if the power is OFF.

 

INT

IC-M402A

HM-127

wPush and hold [DSC•IC] again to call up.

• The transceiver and microphone emit call beeps.

ePush and hold the PTT switch and speak at a normal voice level into the microphone.

or appears on the caller or listener function dis- play, respectively.

To adjust the IC-M402A’s speaker output level, rotate [VOL].

To adjust the HM-127’s speaker output level, push [Y] or [Z] after pushing [VOL] on the HM-127.

 

INT

IC-M402A (caller)

HM-127 (listener)

rAfter releasing the PTT switch you can hear the response through the speaker.

tTo return to the normal operation, push [DSC•IC] momen- tarily.

Other keys also turn the function OFF, however, the correspond- ing function is then activated (e.g. pushing [16•9] selects Chan- nel 16).

While in the Intercom mode, the transceiver functions (transmit and receive) are interrupted. If the transceiver is in transmit condition, the Intercom function is not avail- able.

When a DSC call is received, “DSC” appears and DSC message is displayed at the channel comment indicator after the Intercom use is finished.

When a WX alert is received, “WX ALT” blinks and a beep sounds. The WX alert sounds after the Intercom use is finished.

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Icom IM402SA, IM402A instruction manual Intercom operation, Push and hold Dscic again to call up, IC-M402A caller

IM402A, IM402SA specifications

The Icom IM402SA and IM402A are robust mobile transceivers designed for various communication needs, particularly in the marine and recreational sectors. These models are known for their reliability, durability, and advanced features that cater to both casual users and professionals.

One of the standout characteristics of the IM402SA and IM402A is their compact design, making them suitable for a range of vehicles, from boats to vehicles employed in rugged environments. Their sturdy build ensures they can withstand harsh conditions, which is critical for marine use where humidity and saline air can affect equipment longevity.

In terms of features, both models are equipped with a high-performance receiver that offers exceptional clarity and range, ensuring that communication remains clear over long distances. The IM402 series supports multiple frequency bands, enabling users to communicate effectively across various channels. This versatility is crucial in dynamic environments where multiple communication methods may be needed.

Another significant aspect of the Icom IM402SA and IM402A is their advanced digital signal processing (DSP) technology. This feature enhances audio quality by reducing background noise and improving overall clarity, facilitating better communication in noisy environments, such as when on the water or in busy industry settings. The built-in noise-cancellation technology ensures that conversations remain intelligible even when external noises are present.

User-friendly interfaces are a hallmark of Icom products, and the IM402 series is no exception. The intuitive keypad layout and illuminated display make it easy to navigate through settings and channels, even in low-light conditions. Furthermore, programmable function keys allow users to customize their experience, providing quick access to frequently used features.

The transceivers also come with emergency functions, including distress calling capabilities that comply with maritime regulations. This feature is vital for safety, especially for those venturing into remote or potentially hazardous areas. Additional safety features can include weather alerts and access to emergency channels.

In summary, the Icom IM402SA and IM402A mobile transceivers are designed to deliver high-quality, reliable communication with a host of advanced features. Their robust design, superior audio clarity, and user-friendly interfaces make them a practical choice for anyone needing dependable communication in challenging environments. Whether on the water or in the field, the IM402 series stands out as a reliable tool for effective communication.