Blinks when the Monitor function is in use.

Display backlighting

The function display and keys can be backlit for better visibil- ity under low light conditions. The backlighting condition can also be adjusted independently from the transceiver.

COMMANDMIC® HM-127 11

Dualwatch/Tri-watch operation

qPush [Y] or [Z] to select the desired channel.

Push [CH/WX• DW U/I/C] several times while pushing [H/L] to select the channel group (USA, INT, CAN), if desired.

qPush [VOL• DIM ] for 1 sec. to enter Backlight adjusting mode.

” with the number of the backlight level appears in the channel comment indicator.

wPush [Y]/[Z] to adjust the backlight level.

The backlight level is adjustable between 0 (light OFF) and 7 (brightest).

Appears while in the Backlight adjustment mode.

wPush [CH/WX• DW U/I/C] for 1 sec. to start Dualwatch or Tri-watch.

DUAL” appears during Dual-

watch; “TRI” appears during Tri-

 

 

 

watch.

 

 

 

 

 

 

• A beep tone sounds when a sig-

 

 

 

nal is received on Channel 16.

 

 

 

Tri-watch becomes Dualwatch

 

 

 

when receiving a signal on call

Appears when the Dual or

channel.

• Dualwatch or Tri-watch can be

Tri-watch function is in use.

 

 

 

selected in the transceiver’s Set

 

 

 

 

 

11

mode.

 

Monitor function

The monitor function releases the noise squelch mute of the microphone only. (An independent noise squelch system is employed.)

Push [SQL• MONI L] for 1 sec.

to activate the Monitor func- tion.

• “ ” blinks and audio is emitted.

• Any key cancels the Monitor function.

eTo cancel Dualwatch/Tri-watch, push [CH/WX• DW U/I/C] again.

45

Page 51
Image 51
Icom IM402SA, IM402A Monitor function, Push Y or Z to select the desired channel, Push Y/Z to adjust the backlight level

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.