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Improper installation could render this system inoperable, interfering with the warning nature of this
product. The installation must conform to applicable local and/or NFPA 72 National Electrical codes.
When using this device in Class I, Division 2 equipment, this equipment is suitable for use in
Class I, Division 2, Groups A, B, C, D or non-hazardous locations only.
Cross talk, interference, or hum can be induced in signal lines, causing poor audio output or confus-
ing messages, which interferes with the emergency warning capability of this equipment. Do not
Carefully place the UTM into the edge connector on the Speaker Amplifier or Selectone Control
Unit. For specifications on installation of the particular SelecTone Unit, refer to its correspond-
ing Federal Signal Instruction Sheet.
Users are supplied with a piece of insulated paper. This insulator is provided to
D. Tone Selection
The UTM comes factory set and tested with the DIP switches set to produce a Wail tone.
If another tone is desired, simply set the DIP switches to one of the positions shown in Table 1
to obtain the corresponding sound.
E. Operation
Listed below are some important safety instructions you should follow:
• Read and understand all instructions before operating this unit.
• All effective warning speakers produce loud sounds which may cause, in certain situations, perma-
nent hearing loss. You should take appropriate precautions such as ensuring that the recommenda-
tions in OSHA Sound Level Standard (29CFR 1910) 1910.95 are not exceeded.
• Although your warning system is operating properly, it may not be completely effective. People
may not hear or heed your warning signal. You must recognize this fact and ensure that your warn-
ing signal is achieving the desired effect.
Single unit installations are activated by a user-supplied switch. Units installed as part of a sys-
tem are activated by a SelecTone Command unit. Refer to the SelecTone Command manual for
additional information.
F. Maintenance
SAFETY MESSAGE TO MAINTENANCE PERSONNEL
• Read and understand all instructions before performing any maintenance to this unit.
• To reduce the risk of electrical shock or ignition of hazardous atmospheres, do not perform mainte-
nance/service on this device when circuits are energized.
• Any maintenance to the unit MUST be performed by a trained electrician in accordance with
NFPA 72 NEC Guidelines and state and local codes.
• Never alter the unit in any manner. Safety in hazardous locations may be endangered if additional
openings or alterations are made in units specifically designed for use in these locations.
• Warning – Explosion Hazard – Substitution of any components may impair suitability for
Class I, Division 2.
• Warning – Explosion Hazard – Do not disconnect equipment unless power has been switched
off or the area is known to be non-hazardous.
install power lines in the same conduit as signal lines.
eliminate the possibility of a ground fault occurring.
SAFETY MESSAGE TO OPERATORS
CAUTION
CAUTION
NOTE
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