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The JHS-7 is a hand-held portable VHF radiotelephone for on-scene, life-saving two-way communication between survival craft, between survival craft and ship, and between ship and rescue boat in accordance with SOLAS convention.
Outline
GENERAL
The JHS-7 is of heavy duty design for use maritime severe conditions and equipped with 13 single-frequency voice channels including Channel 16 (156.800 MHz), providing 0.25 to one watt of transmitted power.
This equipment can be used as an on-board communication equipment.
FEATURES
Thirteen Operating Channels
Thirteen single-frequency voice channels are provided including Channel 16 for calling and safety which can also be selected easily by an independent switch.
Heavy Duty Design
The JHS-7 is designed to operate normally for 8 hours in extremely severe operating conditions.
Single-Handed Operation
The control knobs and switches are in easy-to-operate arrangement to ensure single-handed operation.
Mechanical Ruggedness
The JHS-7 is designed to withstand a 1-m drop onto a hard surface.
Watertightness
The JHS-7 is designed to be waterproof to ensure its normal use even in rainy or water splash conditions.
Sunlight resistance
If the JHS-7 is long exposed to the sunlight, it will not be damaged because it is composed of specially selected components and materials.
Low Power Consumption
The JHS-7 is designed to minimize its power consumption and to maximize its operating time. Its sleep mode technique ensures more than 8 hours of its operation time.
High Reliability
Highly reliable ICs, transistors, LEDs and other surface-mount devices are used.