MSA Sordin AB 75XXX Manual Do Utilizador
Operational Description Wireless World - Supreme
version 060920
Extend the headband as far as it will go (fig. E1). Then press the top of the headband to fold the earmuffs
together (fig. E2). Make sure that the cushions lie flat against each other and that there are no creases in
them (fig. E3). Note! Do not store the earmuffs in this positions.
Use and fit (figure F)
Brush excess hair back and out from beneath the cushions with your hand as much as possible. Be
certain that the cushions seal tightly against the head with no interference from objects such as respirator
headbands or arms of glasses, in order to obtain the best performance. With the headband over the head,
place the ear cups so as to completely enclose the ears. The ear cups may be slipped up or down the
headband to adjust for a firm, comfortable fit with the headband over the crown of the head.
This safety requirement is satisfied for the sizes:
M
together (fig. E2). Make sure that the cushions lie flat against each other and that there are no creases in
them (fig. E3). Note! Do not store the earmuffs in this positions.
Use and fit (figure F)
Brush excess hair back and out from beneath the cushions with your hand as much as possible. Be
certain that the cushions seal tightly against the head with no interference from objects such as respirator
headbands or arms of glasses, in order to obtain the best performance. With the headband over the head,
place the ear cups so as to completely enclose the ears. The ear cups may be slipped up or down the
headband to adjust for a firm, comfortable fit with the headband over the crown of the head.
This safety requirement is satisfied for the sizes:
M
L
NECKBAND VERSION
Use and fit (figure G)
Brush excess hair back and out from beneath the cushions with your hand as much as possible. Be
certain that the cushions seal tightly against the head with no interference from objects such as respirator
headbands or spectacle frame, in order to obtain the best performance. With the neckband behind the
head, place the ear cups so as to completely enclose the ears. Adjust the net over the head so the
hearing protector don´t fall off. Note! Do not pull the net to tight because it will affect the cushions seal, the
net shall only hold the hearing protector on place, not pull the hearing protector upwards.
This safety requirement is satisfied for the sizes:
S M L
The following supplementary information applies only to Pro Line:
Amplification
At the two highest volume stages Sordin 75302, 75302-X, 75318, 75328, 76302 & 76328 amplifies the
ambient sound.
Battery warning
A tone will be heard when about 40 hours battery life remains. The battery warning will be heard after 10
seconds in connection with starting up the electronics.
The following supplementary information applies only to versions 75301, 75302, 75302-X, 75318,
75328, 76302 & 76328
Connection
75301, 75302, 75302-X, 75318 & 76302 has one input, 3.5 mm, for connecting an external acoustic
source, eg.: communication radio, hunting radio, mobile phone, etc. We recommend that you connect the
angled jack plug to the earmuff as this gives the most secure connection and is least obtrusive.
75328 & 76328 have a down lead with a connector to connecting an external acoustic source, e.g.:
communication radio, hunting radio, mobile phone, etc.
Refer to the operating instructions for the external audio equipment to ensure that it is correctly connected.
The impedance of the Supreme Pro is 32 Ohms. The circuit must not be subjected to a signal greater than
5 volts to prevent permanent damage. The maximum input signal must not exceed
75301: 134 mVrms
75302, 75302-X & 76302: 399 mVrms
75318, 75328 & 76328: 242 mVrms
(rms = root mean square of signal strength) to prevent the sound level through the speakers from
exceeding 82 dB(A). Note! Please see Table 1 for more detailed information.
The following supplementary information applies only to version 75302-X, 75318 and 75328 with
fabric headbandcover: