ULINE Impact Sport Earmuffs
INSTRUCTIONS
Open battery lid. Insert two AAA batteries. Make sure poles are in correct position. Ensure battery lid is closed completely. (See Figure 1)
NOTE: Extend headband before use.
- Place earcups over ears with microphones in forward position to obtain best listening conditions.(See Figure 2a)
- Ear cushions should seal firmly against head. For best results, remove all hair under cushion. Noise reduction is adversely affected by anything impairing seal of earmuff cushions against the head, such as thick spectacle frames, balaclavas, etc.(See Figure 2b)
- Adjust the headband by moving either side up or down, modifying side slot height. (See Figures 1 and 2c)
- Turn on the volume control and adjust to preferred listening level.
- After automatic power-off (four hours), turn the volume control off, wait five seconds, and turn it on again to get another four hours of working time.NOTE: Earmuffs should be folded between uses. (See Figures 3 and 4)
MAINTENANCE
CLEANINGThe earmuffs should be cleaned and disinfected with soap and warm water. They must not be dipped into water.
STORAGEBefore and after use, store in a dry place. The temperature should not exceed 130°F.
BATTERY REPLACEMENTOpen the battery lid. Remove the old batteries.Insert new AAA alkaline batteries into the battery compartment in accordance with the instructions inside the compartment. Ensure that the battery lid is closed completely.
NOTE: Change batteries when sound reproduction is weakened or impaired.NOTE: New alkaline batteries provide approximately 350 hours of operation.
1-800-295-5510uline.com
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