Deactivation; Battery Condition; Re-Fitting Epirb; Refitting Into Wall Bracket - mcmurdo 406 EPIRB User Manual

Once activated the EPIRB must have its antenna near upright and it must have a clear view
of the sky for proper operation. Lying it on its side or placing it next to a metal wall will
impair its range and may fail to alert the rescue services. Avoid handling the antenna, as t
will also impair performance.

5.6. Deactivation

If the EPIRB was activated by mistake or if the
emergency ends then the EPIRB can be reset back
„ready" state as follows:
• Remove EPIRB from
switch contacts.
Wait 8 seconds for sea switch to turn off.
If EPIRB is still flashing then it must have b
manually:
• Slide th
e switch cover fully to the right.
• Press and release READY button.
If EPIRB is still flashing then it has a fault.
Refer to section 6 on False Alarms.

5.7. Battery condition

If your EPIRB has been activated for a cumulative period in excess of 2 hours then its
battery will need replacing. This is necessary to ensure that the next time it gets used it w
operate for the full 48 hours required by government regulations. See section 10.3. for batter
replacement instructions.

5.8. Re-fitting EPIRB

5.8.1. Refitting into wall bracket

The EPIRB is now in its „ready" state, but its sea switch is still armed and will activate if it
gets wet. To de-activate the EPIRB fully it must be returned to its mounting bracket, where a
magnet hidden in the bracket will make the EPIRB safe. Do the following:
any water and dry its sea
een turned on
11
to its
his
ill
y