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If the beacon has been activated for any length of time, the batteries can no
longer be guaranteed to have the capacity to operate for the minimum 48
hour period and therefore must be replaced.

testinG tHe ePirB

It is recommended that you test the MT401FF/FG at regular intervals
(approximately monthly) to ensure it is fully functional. You should also test
the EPIRB prior to an extended journey.

DO nOt over test – testing consumes some battery power.

warninG:

NOT

remove the EPIRB from its‘ mounting bracket if wet, it may

automatically activate. Ensure the unit is thoroughly dry before removal.

You may test the EPIRB at any time using the following procedure:

Remove the beacon from the bracket. Keep the antenna well clear of

metallic objects during testing.

Lift the cover marked

‘LIFT’

Briefly press then release the

yellow

‘TEST’

button.

The Strobe light will flash once and

the unit will give two quick beeps
to show that it is functioning.

Close the switch cover and press

firmly into place until it clicks.

Return the beacon into the bracket.

If the EPIRB fails the testing process you should return it to your Dealer or
nearest GME branch office for maintenance.

UnaCCOMPanieD transPOrtatiOn

Your MT401FF/FG EPIRB contains Lithium batteries. Some transportation or
courier companies may have special requirements for transporting devices
containing Lithium Batteries.

It is recommended that the original packaging be retained for reuse when
returning your EPIRB.

If returning your MT401FF/FG to your Dealer or GME Branch Office for repair
or scheduled battery replacement, you should inform the transportation
company beforehand that it contains Lithium batteries.

DO nOt send your beacon through the postal system.

DisPOsal

Special precautions must be taken when finally disposing of your beacon
at the end of it’s useful life. Legislation may determine the specific
requirements which apply to you. In the first instance contact your National
Authority for advice.

The following information may also be helpful:

• To permanently disable the beacon remove the 4 screws retaining the

cover, open unit, unplug battery lead, then reseal.

• Lithium batteries are generally not considered as hazardous waste when

fully discharged. Qualified personnel may be able to slowly and safely
discharge the cells for you.

DO nOt short circuit the cells or battery. DO nOt incinerate.

sPeCiFiCatiOns - Mt401FF anD Mt401FG

MODes OF OPeratiOn

activated:

UHF (406) and VHF (homer) complete with high intensity

strobe and audible activation alert.

self test:

Comprehensive internal diagnostics with visual and

audible operator feedback. UHF test message (inverted
synchronisation compatible with portable beacon testers).

Full carrier unmodulated VHF test burst

OPeratiOn

Compliance:

GMDSS Compatible and meets the latest

GMDSS Compatible and meets the latest
IMO A810-19 requirem

ents

activation:

Auto or Manual

Duration:

48 hours minimum

transmission:

121.5 MHz and 406 MHz

Delay:

Signals commence �� 60 seconds after activation

warm Up:

None required (due to digital frequency generation)

VHF:

121.5 MHz, 50 mW �3 dB, swept tone AM

UHF:

406.028 MHz, 5 W � 2 dB, PSK (digital)

strobe:

20 flashes/minute at greater than 0.75 cd

effective intensity

UHF-Protocol�Data:

Serial Number

Radio Call Sign, and MMSI

repetition Period:

550 s mean, digitally generated randomization

VHF:

Satellite compatible phase coherent

BatterY

replacement Period:

Prior to expiry date marked on EPIRB case.

replacement Method:

Authorised Service Centre

Chemistry:

LiSO2 (2.4 g Lithium per cell)

no.�size:

2 D size cells

PHYsiCal

Operating:

-20 °C to +55 °C.

storage:

-30 °C to +70 °C.

ePirB weight:

555 g (nominal

)

antenna:

Flexible self straightening stainless steel design

• The specified COMPASS SAFE DISTANCE is the minimum allowable

separation between the EPIRB/housing and any magnetic navigational device.

To install the Auto-release housing:
1.

With the cover and EPIRB removed, hold the

housing base in place and mark the positions of
the four (4) location points.

Using fasteners appropriate for the selected

surface (not supplied), securely retain the
housing base.

Now replace the EPIRB then outer cover, verifying

at this time that the cover can be freely removed
and replaced (Refer to the ‘

MANUAL RELEASE

AND STOWAGE’ instructions).

Using a sharp implement mark (x) the Hydrostatic Release Replacement
Date label on the front cover with the replacement month and year. This
is to be two years from the date of installation.

in an eMerGenCY

In an emergency you should first try to use your radio to summon assistance.
Distress procedures should only be used where grave and imminent danger
threatens your craft and assistance is required. Notify the ‘Emergency
Facility’ that you have a beacon and that you will turn it on upon their
instruction.

If dire emergency threatens life and you have been unable to make radio
contact or have lost radio contact, use the beacon. The distress signal
transmitted by your beacon identifies you as a craft in distress and will
initiate an air/sea search and rescue.

use the Beacon as a last resort.

ManUal release anD stOwaGe

To remove the EPIRB from the Auto-
release housing:
1.

Hold the outer cover while using

your free hand to rotate the yellow
lever anti-clockwise

as shown.

Without releasing the lever, remove

the cover

completely away from

the fixed part of the housing that
holds the beacon.

Now firmly grasp the beacon and
withdraw it from the housing.

warninG:

DO NOT remove the beacon from its‘ mounting bracket if wet, it

may automatically activate. Ensure the unit is thoroughly dry before removal.

To refit the EPIRB:

Orientate the beacon such that the side displaying the ‘EMERGENCY

ACTIVATION’ instructions faces outwards. This is necessary for the EPIRB

to engage with the base of the Auto-release housing.

Insert the head of the beacon between the two retention arms ensuring

that the base of the beacon also engages into the housing supports.

Now commence replacement of the outer cover firstly engaging it at the

base over the metal retention tongue.

Apply firm pressure above the yellow lever to press the cover home. If

necessary, partially and momentarily, rotate the yellow lever anti-clockwise
whilst applying pressure to ensure full and proper engagement of the cover.

Finally, verify that the outer cover is securely retained.

ManUal aCtiVatiOn

Remove the beacon from the bracket.

Lift the switch cover (marked ‘LIFT’) to open.

Slide the ‘ON’ slider switch fully forward in the

direction of the arrows.

The unit will initially

self test, after two seconds the flashing strobe
and beeps will indicate the beacon is operating.

Close the cover to secure the switch.

water aCtiVatiOn

Remove the beacon from the bracket.

Deploy the beacon in water if sea conditions permit. The unit will initially

self test, then shortly after the flashing strobe and beeps will indicate the
beacon is operating.

The EPIRB has been designed to maintain continuity of operation even when
the units sensors leave the water for periods of several seconds at a time.
Uninterrupted operation is however always best guaranteed by also manually
activating the EPIRB.

if the beacon is to be deployed but not in water the manual activation
method must be used.

ManUal DePlOYMent

Unwind the cord and secure the EPIRB to
prevent loss.

When activated, the beacon will transmit the
strongest signal to the satellites when:

• Floating in water.

• Well clear of surrounding and

overhanging objects.

• The antenna is vertical.

In extreme sea conditions, you should NOT float the EPIRB free of the vessel
or the life raft if there is the possibility of loss or damage to the EPIRB.

By observing the following guidelines satisfactory operation should be achieved
when operating the EPIRB out of water.

Search and Rescue authorities will not penalize an EPIRB owner or operator
in cases of genuine accidental activation.

Batteries anD MaintenanCe

The MT401FF/FG is fitted with the very latest in high capacity Lithium battery
technology. These batteries are able to operate within a temperature range
of -20°C to +55°C.

The full operational capability of your beacon may not be available if the
batteries fitted have exceeded their replacement date, as shown on the body
of the unit. Prior to reaching this date, make arrangements to have your
MT401FF/FG returned for service.

nOte:

The replacement of batteries due to expiry or usage is not covered by the

product‘s Warranty. EPIRB maintenance operations, including battery replacement,
require that the beacon be returned to a manufacturer approved service facility.

To ensure reliable operation the Hydrostatic Release Unit (HRU) mechanism
within the Auto-release Housing must be replaced within two years of being
first placed into service. The replacement date is prominently shown on the
front of the housing.

HRU replacement does not require any particular skills or training, and can
be completed in situ by the owner in under 5 minutes, simply by following
the instructions included within the Float Free Housing Refurbishment Kit
available from your Retailer.

Routinely following these few simple steps will help ensure that your beacon
will be operationally ready if called upon:

Test the EPIRB at the recommended interval.

Confirm the SAFETY SEAL has not been broken.

Check that the batteries have not passed their replacement date.

Inspect the EPIRB and bracket for damage or deterioration.

Keep the unit clean by wiping over with a damp cloth (warm water and

mild detergent are suitable), then dry.

Verify that the unit manually releases correctly from the auto-release

housing, and is securely retained when returned to it.

If there is any doubt as to the products’ serviceability, immediately contact
your authorised Dealer or service centre for advice.

Some installations may be covered by state, national or international
carriage requirements. Such legislation may impose additional inspection and
maintenance requirements beyond those listed above. Contact the relevant
authority for further information.

saFetY seal

The safety seal which covers the tab behind the ‘

ON’

slider is designed to

tear if the unit is switched on. A safety seal that is not broken serves to
indicate that the beacon has never been manually activated.

NEVER remove or break the seal unless deploying the EPIRB in an emergency.

• The EPIRB signal

will not pass through

metal

but will pass through fiberglass,

wood or fabric with some loss when wet.

• The body of the EPIRB can be attached

to metal fittings, but the antenna must
be vertical and clear of the metal.

• If the cabin is metallic (such as steel

or aluminium), the EPIRB should be
mounted on a clear space outside with the antenna vertical and clear of
surrounding objects.

warninG:

Switching a beacon on and off interferes with the satellites ability

to determine your location. Once activated in an emergency allow the beacon to
operate without interruption until your rescue.

Normal operation of your beacon will cease once battery capacity is
diminished. Special circuitry within the MT401FF/FG however directs any
remaining capacity towards extended operation of the homing transmitter.
Although the beacon may otherwise have appeared to cease functioning, a
homing signal will still be emitted for some considerable time.

tUrninG tHe ePirB OFF

It is important that you turn the EPIRB off as soon as possible after being
rescued. If you leave the EPIRB running when it is no longer needed it may
make it more difficult to locate other beacons also transmitting in the area.

Remove beacon from the water.

Lift the switch cover (marked ‘

LIFT

’).

Slide the yellow slider switch fully towards the ‘

READY

’ position.

Close the cover to secure the switch.

To cancel Water Activation dry the beacon or re-stow the beacon in the

bracket. It may take a number of seconds for the EPIRB to de-activate.

Check that both the strobe light and the ‘beep’ have stopped.

in tHe eVent OF aCCiDental aCtiVatiOn

If you suspect that an EPIRB has been activated inadvertently, you MUST
turn it off and report it immediately to your National Authority‘s Rescue
Coordination Centre to prevent an unnecessary search. If at sea call your
local VHF coast station, or Rescue Coordination centre. In international
waters contact a Maritime Rescue Coordination Centre or Coast Radio
Station (CRS) by any available means.

When reporting you should include the following:

Your EPIRB’s 15 character Unique Identifier Number (UIN), which is

marked on the unit body.

Date, time and duration of activation.

Cause of activation.

Location at time of activation.

MEtal

retentiOn arMs