Operations/Removal; Cleaning; Storage - MSA ClearCommand HCS Operation And Maintenance Instructions

CONNECTION OF HELMET MIC. TO A
TRUCK COMMUNICATIONS SYSTEM
• The Helmet Mic. system is compatible
with most truck systems.
• Ensure the Helmet Mic. Assembly
(Single-Pin) connector is disconnect-
ed from other devices.
• Plug connector into Truck Jack Plug.
USING THE HELMET COMMUNICATIONS SYSTEM
Additional materials between the Helmet Mic.
Assembly sensor and users head may reduce the per-
formance of the Helmet Mic. MSA has determined the
NFPA Fire Fighter hoods and Facepiece Harness per-
form satisfactory with the Helmet Mic. Assembly.
Other bulk gear materials between the sensor and the
user head may interfere with the performance of the
Helmet Communications System.
Ear damage could occur if radio volume level is too
high.
• Adjust the ear speaker boom to position the ear
speaker near your ear.
• The volume of the Helmet Mic. ear speaker may be
adjusted using the radio volume control.
• Press and hold the Push-To- Talk (PTT) button on the
Lapel Microphone or Basic PTT to transmit your con-
versation.
• Release the button to end the transmission and allow
incoming radio messages to be heard at the ear
speaker.
Note: When not connected to a Lapel Microphone or
Basic PTT interface, the helmet cable should be clipped
into the cable keeper. This provides a convenient way of
storing the cable to prevent entanglement.

OPERATIONS/REMOVAL

CAUTION
CAUTION
USING THE LAPEL MICROPHONE WITHOUT THE USE
OF THE HELMET MICROPHONE.
• Connect the Lapel Microphone to the radio as
described in preparation for use.
• To transmit a message, Press and hold the Push- To-
Talk button. Hold the Lapel Microphone approximately
2 inches from your mouth and speak into the micro-
phone.
• Release the Push-To-Talk button to end the transmis-
sion and allow incoming radio messages to be heard
at the Lapel Microphone speaker.
REMOVING THE HELMET COMMUNICATIONS
SYSTEM.
• Remove the headband liner.
• Remove Helmet Communications System, by revers-
ing the installation procedures.

CLEANING

Clean the system components using damp sponge or
cloth. Follow an established maintenance program.

STORAGE

The Helmet Microphone Assembly may be stored in the
helmet.
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