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Property damage, serious injury, or death could occur if the housing is not
closed properly. To reduce possibility of explosion, the housing cover must be
kept tight while circuits are energized.
IV. TESTING/OPERATING.
These devices are capable of producing sounds loud enough to cause hear‑
ing damage. Adequate hearing protection should be worn if standing within
close proximity to device while testing. Recommendations in the OSHA Sound
Level Standard (29 CFR 1910F) should not be exceeded.
A. After installation is complete, be sure to test the system to verify that each
amplified speaker operates satisfactorily. If it is found that the unit is too loud for its
location, an internal volume control can be adjusted. Remove the housing cover. Using a
slotted screwdriver with a 1/8" blade, gently turn control to desired loudness. See figure
2. Reinstall the housing cover.
B. After completion of initial system test, establish a program for periodic test‑
ing of this device.
C. Provide a copy of these instructions for the Safety Engineer, system
operator(s) and maintenance personnel.
SAFETY MESSAGE TO OPERATORS
Even if your warning system is operating properly, it may not be completely
effective. People may not hear or heed your warning signal. You must recog‑
nize this fact and ensure that your warning signal achieves its intended effect
through proper test/training sequences within your specific application(s).
- EXPLOSION HAZARD
Substitution of components may impair suitability for Class I, Division 2, and
Class I, Zone 2.
V. MAINTENANCE.
SAFETY MESSAGE TO MAINTENANCE PERSONNEL
Failure to follow all safety precautions and instructions may result in property
damage, serious injury, or death to you or others.
• Read and understand all instructions before performing maintenance on
this unit.
• To reduce the risk of electrical shock or ignition of hazardous atmo‑
spheres, do not perform maintenance or service on this unit when
circuits are energized.