Firecom 3000C Installation & Operation Manual page 33

A D V A N C E D T R O U B L E S H O O T I N G
2. Check for proper positioning of the mic in relation to the speaker's mouth. See
"Microphone Placement" (page 19). Improper mic positioning will defeat the
noise canceling characteristics of the mics.
3. Inspect the headset microphones, making sure that all slots on both sides of the
mic are clean an unobstructed. Obstruction of these slots will hamper or defeat the
noise canceling characteristics of the mics.
4. Check adjustment of the Transmit Audio. See "Intercom Adjustments" (page 14).
Too much gain here will cause excessive background noise to be transmitted along
with the voice. In the worst case, the voice will be somewhat distorted when trans-
mitting from a quiet place, and will become unintelligible in the presence of back-
ground noise.
N) INTERCOM VOLUME CONTROL HAS NO EFFECT
1. Contact Firecom for a Return Authorization to return the Intercom Unit for
repair.
O) INTERCOM SQUELCH CONTROL HAS NO EFFECT
1. Contact Firecom for a Return Authorization to return the Intercom Unit for
repair.
P) SQUELCH ADJUSTMENT IS TOO SENSITIVE
1. Review the set up and operation of the Squelch Control. See "Intercom Controls"
(page 20). Note that it is important to speak in a loud clear voice, and that the mic
MUST be placed VERY close to the speaker's mouth. See "Microphone
Placement" (page 19).
2. Contact Firecom for a Return Authorization to return the Intercom Unit for
repair.
31.