Using the MSA Helmet Communications System as an accessory DOES NOT void the ANSI Z89.1 or
CSA Z94.1 Helmet certification properties.
NFPA certified as an accessory for MSA CairnsHELMETS
®
Fire Helmets with ratchet type suspension.
The warranties made by MSA with respect to the product are voided if the product is not used according
to the instructions in this manual. We encourage our customers to write or call for a demonstration
of this equipment prior to use, or for any additional information relative to use or repairs. Call
1-800-MSA-2222 during regular working hours.
ClearCommand
®
HCS
Helmet Communications System
TAL 5010 (L) Rev. 4
© MSA 2005
Prnt. Spec. 10000005389(A) Mat. 10046197
Doc. 10000016108
Read this manual carefully if you have or will have the responsibility for using or servicing the product. The
ClearCommand Helmet Communication System from MSA will perform as designed only if used and serviced
according to the Instructions. Otherwise, the product could fail to perform as designed, and persons who rely
on this product could sustain personal injury or death.
WARNING
OPERATION AND MAINTENANCE INSTRUCTIONS
Helmet Microphone and
Ear Speaker Assembly
P/N 10042902
Lapel Microphone
(See page 8 for part numbers)
Basic PTT
(See page 8 for part numbers)