Guardian Technologies HR70 사용자 설명서
Guardian Telecom Inc.
Installation and Operation
Model HR70
Page 3
Overview
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.
The HR70 Telephone is designed to provide safe, reliable communication in areas prone to high
humidity, chemical vapors, dust and physical abuse.
Features
Enclosure
• 16 AWG steel, zinc dichromate plated and powder coated
Membrane Keypad
• weather
• 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
• 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
2
S, SO
2
and
NH
3
) and environments with high humidity
Magnetic Reed Hook Switch
• no moving parts
Surge Arrestor
• protects the user in the event of a high voltage spike on the telephone
• 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
• 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
• allows a high level of intelligibility in locations with high background
noise
Tone (DTMF) Operation
• factory set to tone (DTMF) dialing
• 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
Heavy Duty Handset Cord
• withstands severe use
Hearing-Aid Compatible
• compatible with inductively coupled hearing-aid devices