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Guardian Telecom Inc.
HR70 Industrial Telephone
The HR70 Telephone is designed to provide safe, reliable communication in areas prone to high
humidity, chemical vapors, dust and physical abuse.
Enclosure
•
16 AWG steel, zinc dichromate plated and powder coated
Membrane Keypad
•
weather tight
•
10 number memory
•
Redial - last number (31 digits)
•
Recall - obtains dial tone without hanging up handset
•
Flash - 600ms timed loop break
•
Pause - 3 second pause in programming
•
Mute - disables handset microphone
•
Softer/Louder – receiver volume controls
Encapsulated Circuitry
•
circuit boards are resistant to corrosive agents (e.g. H
NH
) and environments with high humidity
3
Magnetic Reed Hook Switch
•
no moving parts
Surge Arrestor
•
protects the user in the event of a high voltage spike on the telephone
line
Fuse
•
prevents damage to the electronic circuits in the event of a high
voltage spike on the telephone line
Noise Reducing Microphone
•
allows a high level of intelligibility in locations with high background
noise
Tone (DTMF) Operation
•
factory set to tone (DTMF) dialing
•
pulse dialing can be ordered or configured in the field
Heavy Duty Handset Cord
•
withstands severe use
Hearing-Aid Compatible
•
compatible with inductively coupled hearing-aid devices
Overview
Features
Page 3
Installation and Operation
Model HR70
S, SO
and
2
2
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