Uniden WHAMx4BK Manual do Operador descarregar pdf (Página 46)

Vivace Boat Information Book Web Version (BIB) (Rev February 13, 2014)

Revision 6 Page | 46

Radio Information

The installed VHF radio is a Uniden UM 525.

Operators manuals – see the black Systems User Manuals binder for

operator’s manuals for the radio and the WHAM.

WHAM (wireless remote control/microphone/speaker)

 This unit allows control of and use of the radio from any location on the

boat.

 It is battery operated.

 Operating instructions (these are posted near the circuit breaker panel):

(a) Keep Wham in charger (see photo of battery switch, above) and charger

plugged in until Wham is needed in cockpit. This maximizes charge time.

(b) Charging with engine not running is OK.

Emergency Operation

Vivace’s Maritime Mobile Service Identity (MMSI) number 338086035 is loaded in

the radio and will identify the boat to other boats and the U.S. Coast Guard if a

digital MAYDAY is transmitted using the red “Distress” button. When a digital

MAYDAY is triggered using the “Distress” button:

 The signal is recorded by the Coast Guard and nearby commercial vessels so

that it is heard and recognized immediately with no need for repetition.

 The received MMSI allows the Coast Guard to know the identity of the boat

and owner with telephonic points of contact.

 The signal prompts an automatic Coast Guard response that commands the

boat radio to switch to channel 16 without operator action being required

(thus allowing immediate communication on the common hailing frequency).

 You will hear the Coast Guard response as a second BEEP followed by their

voice call.

 If a GPS is connected to the radio, the Coast Guard and other properly

equipped receivers (most commercial vessels) receive the latitude and

longitude of the distressed boat.

 If GPS is not connected to the radio, the signal allows relatively precise

position determination via the Coast Guard Rescue 21 radio direction finder

triangulation system (you must follow up the digital MAYDAY with voice call

giving ID, position and nature of the emergency.)

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Uniden WHAMx4BK Manual do Operador Página 46