M504
M504 Features
- Dual/tri-watch function for monitoring Ch.16 and/or call channel
- Instant access to Ch. 16 and call channel
- 7 levels adjustable backlit display and keypad
- Convenient “TAG” scanning function with simple add/delete
- Optional Voice Scrambler, UT-112 for private communication
- Weather channels with weather alert function
- Black or gray color versions
The Submersible PLUS Marine VHF with Class D DSC
*Compatible with the New MA500TR – Class B AIS Transponder
Learn more about the MA500TR here.
IPX8 Submersible PLUS (1.5m depth for 30 minutes)
The IC-M504 withstands submersion in up to 1.5m depth of water for 30 minutes. It is equivalent to the IPX8 standard. All products are rigorously checked to pass the quality test at the factory.
Large LCD with dot-matrix characters
The IC-M504 has a 168-charactor, full-dot matrix display that allows you to easily view a variety of information, such as GPS data, DSC emergency data, etc. The large buttons and knobs provide user friendly operation.
ITU Class D DSC
The IC-M504 has built-in class D DSC, which enables you to constantly monitor channel 70. This functionality provides users at sea with the peace of mind that they can call for help by pressing the "Distress" button if the need arises.
Position Request and Position Report
Over and above the DSC, your own and other ships’ position data can be exchanged with the position request or position report functions. The received position information can be transferred to external navigation equipment*. In addition, the polling (request/ reply) function checks whether a specific ship is within the communications range.
* External GPS receiver and navigation equipments which accept NMEA 0183 format are required.
Superior receiver performance
The IC-M504 has excellent receive specifications of 80dB (typical) for intermodulation rejection, adjacent channel selectivity, and 0.22µV (typical) high sensitivity. The IC-M504’s superior receiver provides excellent resistance to intermodulation and allows you to catch a weak signal between strong stations.
Excellent audio output power
The extra large speaker is mounted into a well spaced housing, producing greater sound than the specified 4.5W output power. You can get clear and loud reception without requiring repetition of the message, even over the engine or other background noise.
25W hailer/RX speaker and auto foghorn
When connected to a hailer horn or external speaker on the deck or tower, you can make an announcement on-board from the microphone. The RX speaker function, "receiver-repeater", allows you to monitor the received audio. Four foghorn patterns are also available for the automatic foghorn.
Rear panel microphone version*
With this version, the microphone connector is drawn from the rear panel and a 6.1m (20ft) microphone extension cable is supplied to allow you clean and neat panel installation.
* Ask your dealer for details
Other features
- Dual/tri-watch function for monitoring Ch.16 and/or call channel
- Instant access to Ch. 16 and call channel
- 7 levels adjustable backlit display and keypad
- Convenient "TAG" scanning function with simple add/delete
- Optional Voice Scrambler, UT-112 for private communication
- Weather channels with weather alert function
- Black or gray color versions
Optional fully integrated COMMANDMICΙΙΙ™
Full control 2nd station capability
The COMMANDMICΙΙΙ™ is a remote control for the IC-M504 that may be positioned up to 18.3m (60ft) away from the IC-M504. All M504 functions, including distress call, DSC, and foghorn, are available. The COMMANDMICΙΙΙ™ may also be used as an intercom with the IC-M504.
Multi function "Jog" dial
A newly designed multi function Jog dial gives you quick and easy access to many M504 settings, including operating channel, volume, squelch, menu settings and more.
Other features
- Full dot-matrix LCD with 7-step
dimmer setting - 2.8W (typical) external speaker terminal
- Submersible PLUS (1.5m depth
for 30 minutes) - Extra large 45mm (d) speaker for superior audio
General
| Frequency range | Tx | 156.025–157.425 MHz |
|---|---|---|
| Rx | 156.050–163.275 MHz | |
| Rx (CH70) | 156.525 MHz | |
| RX (AIS) | 162.025 MHz | |
| Usable channel groups | INT, USA, CAN, WX channels | |
| Type of emission | 16K0G3E (FM), 16K0G2B (DSC), 16K0GXW (GMSK) | |
| Current drain (at 7.2 V DC) |
TX (6 W/1 W output) | 1500 mA/700 mA (approx.) |
| RX (Inter SP/Exter SP Max. audio) | 700 mA/350 mA (approx.) | |
| Operating temperature range | –20°C to +60°C; –4˚F to +140˚F | |
| Antenna impedance | 50 Ω | |
| Dimensions (W×H×D) (Projections not included) |
60.9 × 145.8 × 43.8 mm; 2.4 × 5.7 × 1.7 in |
|
| Weight (approximately) | 357 g ; 12.6 oz (With BP-306, antenna, MB-133) |
|
Transmitter
| Output power (Hi/Low) | 6 W/1 W | |
|---|---|---|
| Max. frequency deviation | ±5 kHz | |
| Frequency stability | ±10 ppm | |
| Spurious emissions | –68 dBc typical | |
Receiver
| Sensitivity (at 12 dB SINAD) DSC receiver (at 1% BER) AIS receiver (at 20% PER) |
0.25 μV typical –3 dBμ emf typical –107 dBm |
|
|---|---|---|
| Squelch sensitivity (Threshold) | 0.25 μV typical | |
| Adjacent channel selectivity DSC receiver (at 1% BER) AIS receiver (at 20% PER) |
70 dB typical 73 dBμ emf 50 dB typical |
|
| Spurious response DSC receiver (at 1% BER) AIS receiver (at 20% PER) |
70 dB typical 73 dBμ emf 50 dB typical |
|
| Intermodulation DSC receiver (at 1% BER) AIS receiver (at 20% PER) |
70 dB typical 68 dBμ emf 50 dB typical |
|
| Hum and noise | 40 dB | |
| Audio output power (at 10% distortion) |
Internal SP | 1500 mW typical (8 Ω load) |
| External SP | 350 mW typical (8 Ω load) | |
Measurements made in accordance with TIA/EIA-603. All stated specifications are subject to change without notice or obligation.
Applicable U.S. Military Specifications & IP Rating
| Standard | MIL-810 G | |
|---|---|---|
| Method | Procedure | |
| Low Pressure | 500.5 | I, II |
| High Temperature | 501.5 | I, II |
| Low Temperature | 502.5 | I, II |
| Temperature Shock | 503.5 | I-C |
| Solar Radiation | 505.5 | I |
| Rain Blowing/Drip | 506.5 | I, III |
| Humidity | 507.5 | II |
| Salt Fog | 509.5 | – |
| Dust Blowing | 510.5 | I |
| Immersion | 512.5 | I |
| Vibration | 514.6 | I |
| Shock | 516.6 | I, IV |
Also meets equivalent MIL-STD-810-C, -D, -E and -F.
| Ingress Protection Standards | |
|---|---|
| Water | IPX7 (Waterproof protection) |
All stated specifications are subject to change without notice or obligation.
Supplied Accessories
- BP-306 battery pack
- BC-251 battery charger
- AC adapter*
- CP-26 cigarette lighter cable
- MB-133 belt clip
- Antenna
- Hand strap
* May differ depending on version
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