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E l e c t r i c   F u e l   L t d .  

SP 

102626

 Rev: 

1

 Date: 

July 2010

 

Page 1 of 3  

Info

 

Name: 

SLX MARINE LIFEJACKET LIGHT 

INSTRUCTION MANUAL 

 

 

 

0.0

 

Purpose 

1.0

 

Purpose 

 

This Instruction Manual is intended to provide descriptive information on the Model SLX 
Marine Lifejacket Light and its variations, operating instructions, information for its 
maintenance and overhaul, instruction concerning the proper mounting of the light on 
lifejackets to ensure compliance with minimum performance standards, and limitations for the 
device. 

2.0

 

Description of Device 

 

The Model SLX and its variations is a SOLAS approved flashing lifejacket light that is 
activated automatically when immersed in water and can be deactivated manually. Variations 
of the SLX also offer manual activation or permanent deactivation. The SLX consists of a 
battery and light encased in either one plastic housing (SLX), or a battery assembly and a 
separate light assembly, connected by an electrical wire (SLX-II). See table 1 for options. 

Table 1: 

 

 Automatic 

activation in water 

Manual on 

Manual off 

Permanent off/ 
Reset 

 

SLX/SLX-II  

9

 

9

 

9

 

8

 

 

SLX/SLX-II (

c)

 

9

 

8

 

9

 

8

 

 

SLX/SLX-II (

s)

 

9

 

8

 

9

 

9

 

The battery consists of one Lithium Manganese Dioxide cell incorporated into a water-tight 
sealed housing. The housing has two exposed water sensor contacts. The electronic circuit 
detects water and activates the light. The design prevents inadvertent extinguishing of the 
light if the water sensor is not continuously immersed in water. The housing also has a button 
for the manual switching of the light. 
 
The light is a LED covered by a polycarbonate cover. 

 
Figure 1: 

PRESS 

 

PRESS 

 

 

 

Operating Instructions 
 

The SLX is activated automatically following immersion of the 
water sensor in fresh water or seawater. The SLX can be turned off 
by pressing the button on the top of the housing. See figure 1. 

 

In SLX versions that allow manual activation, this can be done 

by repressing the same button.  

 

In SLX (s) versions with permanent off, the SLX can be reset 

for water activation by one long pressing of the same button. 

 

www.electric-fuel.com/safety  

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