Sennheiser S1 DIGITAL Instruction Manual page 4

Important safety information
Only replace parts of the product whose replacement is described in this
instruction manual. All other parts of the product must be replaced by your
Sennheiser partner.
Information on active and passive noise attenuation
The S1 DIGITAL is a headset with digital adaptive noise compensation. As with
any complex electronic device, it is possible for the electronics of the headset to
fail during operation.
However, the S1 DIGITAL is designed to reduce the effects of such failures and to
allow for continued use of NoiseGard
the headset is switched on and the Power LED
Switch the headset off if you experience loud tones, distortion, or loss of com-
munications. You can then continue to use the S1 DIGITAL as a passive noise
attenuation headset.
Intended use
Intended use of the product includes
• having read and understood this instruction manual, especially the chapter
"Important safety information",
• using the product within the operating conditions and limitations described in
this instruction manual.
"Improper use" means using the product other than as described in this instruc-
tion manual, or under operating conditions which differ from those described
herein.
TM
/digital. NoiseGard
H
lights up.
TM
/digital is active when
S1 DIGITAL | 3