Ryobi RP4410A User Manual - Page 8
Operation
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OPERATION TO INSTALL / REMOVE BATTERY PACK See Figure 2, page 10. WARNING: Always remove battery pack from the product when you are assembling parts, making adjustments, cleaning, or when not in use. To install the battery pack: Unscrew the battery compartment cap. NOTE: Do not remove the o-ring inside the cap. Insert the battery pack in the direction shown. Make sure the raised rib on the battery pack aligns with the groove in the compartment. Place the cap over the battery pack and push down until the cap meets the threads at the end of the battery compartment. Screw the cap on securely. To remove the battery pack: Unscrew the cap. The battery pack will disconnect and be easy to remove. Do not attempt to use this product if the battery cap is not securely closed. ON/OFF/VOLUME KNOB See Figure 3, page 10. NOTE: The headphones will amplify sounds up to a predetermined sound level, in which it stops amplifying and will deaden (block out) the sound. The knob on the lower left earcup turns the noise suppression feature ON or OFF and adjusts the volume. The knob will click when turned clockwise to turn the ear protectors ON. The knob will click when turned counterclockwise as far as it will go to turn the earphones OFF. Turn the knob in either direction to adjust volume. NOTE: The auto-off feature will shut the headphones off after four hours if they are not in use. ADJUSTING THE HEADBAND See Figure 4, page 10. Place the headphones over your ears with the micro- phones in front. Slide the earcups down and place them over your ears. The cushions should fully enclose your ears and fit snugly over your head. Earcup positons can be adjusted so that the headband fits comfortably across the top of your head. To maximize noise suppression, make sure your hair is brushed away from your ears and the cushions fit snugly against your head. If wearing glasses, the temple pieces should be as thin as possible and fit closely against your head. AUTO POWER-OFF The headphones will automatically shut down if they are not in use for four hours. LISTENING TO AUXILIARY DEVICES See Figure 5, page 10. WARNING: Do not use these headphones to listen to music or other audio programs while operating machinery. Doing so may cause distractions that could result in serious personal injury. The ear protectors can be used as an amplifier for MP3 players and other music devices. The auxiliary connection is located next to the battery compartment. When not using the auxiliary connection, keep the cover of the auxiliary compartment closed. Plug the auxiliary cable into the music device. The sound level of the music device should be turned down. NOTE: The volume of the music is controlled by the music device itself, not by the headphone volume knob. Turn the headphones and the music device ON. Adjust volume to desired level using the headphones. NOTE: The sound level is limited to approximately 82dB to help protect your hearing. 8