Transceiver Service; Intrinsically Safe Classification; Introduction - E.F. Johnson Company 8500 Series Operating Manual

Fm portable radio
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INTRINSICALLY SAFE CLASSIFICATION

Transceiver Service

If the transceiver is not operating properly, "SYN ERR" or "PROG
ERR" may be displayed. It is also possible that all segments of the
display are indicated when power is turned on. To attempt to clear this
condition, turn the power off and then on again to reset the control logic.
Also make sure that the battery is charged, the controls are properly set,
and the antenna is tight. If the transceiver still does not operate properly,
contact your system operator for service.
NOTE: There are no user-serviceable components in this transceiver.
Altering internal adjustments can void the warranty and cause illegal
emissions, and result in improper operation that can seriously damage
the transceiver.
INTRINSICALLY SAFE

Introduction

"Intrinsically Safe" is a fire safety rating given to this transceiver by
the Factory Mutual Research Corporation. When equipment is given this
rating, it is considered safe to use in certain flammable or combustible
atmospheres. Flammable atmospheres have been categorized by Class,
Division, and Group as described in the next two sections. The specific
hazardous atmospheres in which this transceiver has been approved to
operate are as follows. This information is also listed on the label on the
back of the transceiver.
Intrinsically Safe - Class I and II, Division 1, Groups C, D, E, F, and G.
Non-Incendive - Class I, Division 2, Groups A, B, C, and D.
Temperature Code - T3C (Battery Pack P.N. 587-8565-162).
42
CLASSIFICATION

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