Grace Digital Inc. GDI-EXEJ300 Manual Do Utilizador

 3)  Dry unit completely before opening the cap. Do 
 

NOT open the cap if wet or in a wet environment.

 4) Do NOT apply excessive force to any surfaces 
 

of the unit when wet or in a wet environment.

 5) Do NOT use or store the unit in places with 
 high 

temperature. 

 6) AVOID prolonged exposure to ultraviolet radiation 
 

(UV sunlight) and strong magnetic fields.

  7)  Periodically check the rubber seal for 
 premature 

wear.

 8)  Periodically clean the rubber with a soft moist 
 

cloth and ensure no objects such as dirt, hair, or 

 

sand are on the rubber seal ring. Do NOT use any 

 

oily solvent  or chemicals for cleaning.

 9)  Rinse off the unit with tap water after use in salt 
 

water or swimming pool.

10) Power and / or charge the built-in rechargeable 
 

battery for portable use by connecting the 

 

USB cord to a computer USB connection or to 

 

an AC outlet using the AC-to-USB cord 5V, 1A 

 

power adapter intended for use with the unit.

 11)  Noise and audio distortion may occur when the 
 

batteries are nearing end of charge.

 12)  Do  NOT remove the built-in battery. Do NOT 
 

remove the grill covers.

On/Off

Press the Standby Power Button once to 
power ON/OFF.
IMPORTANT: Standby Power function 
will NOT operate when the Master 
Power is set OFF. Master Power Switch 
under the cap on the back panel must 
be set ON for Standby & your EcoJam 
to operate.

Bluetooth

When turned ON, the EcoJam will power 
on and search for your Bluetooth. Refer 
to “Set Up Recommendations 1-2-3” 
part for 

details.

Speaker Volume

Press 

to decrease or 

to increase 

Speaker Volume.
NOTE: Some Bluetooth devices may 
require to be manually set for maximum 
audio level.

3

Control Buttons & Operations