Clear-Com RS-603 (No longer available) - Manual (Page 38)

V - P A C K I N S T R U C T I O N M A N U A L 5 - 6
The auxiliary headset jack may work with some cell phone-type headsets, but
problems with audio response, nulling, acoustic feedback, and noise leakage may
result.
You have the same options for the auxiliary headset microphone that you have
for the main headset microphone. Figure 9 shows the auxiliary headset
microphone options.
The default setting for an auxiliary headset is for the microphone’s audio
frequency response to be flat rather than contoured.
Figure 9: Auxiliary headset microphone options for a dual-channel beltpack
MAIN HEADPHONE OPTIONS
Figure 10 shows the options for a beltpack’s main headphone.
Figure 10: Main headphone options for a dual-channel beltpack
L IMITER
With Limiter selected, the beltpack prevents the volume in a headphone from
exceeding a level that could cause temporary or permanent hearing damage to the
person wearing the headset.
Limiting the headphone volume is the default setting. This setting should only
be turned off, by clearing the check box, for very specific needs such as increasing
the headset volume for a hearing-impaired user.
H IGH C UT
When you select High Cut, the beltpack attenuates high frequency sounds on the
intercom line to reduce interference and noise. The beltpack changes the audio
response bandwidth of the headphone amplifier from 100-12.5 kHz to 100-8
kHz.