3 troubleshooting – HeadsetUSA PAS 400 User Manual
Page 15

freePORT PAS 400 Version 060328
15
3 Troubleshooting
Problem:
Possible Cause:
Possible Solutions:
No sound
POWER switch in wrong position for Mic
receivers
Set POWER switch (6) to Position I
VOLUME controls set too low
Slowly turn up VOLUME controls (11, 14, 16
or 17)
Internal battery is discharged
Connect to AC mains power and recharge
battery
Sound is Distorted
Incorrect input level sensitivity for INPUT 1 or 2 Turn down VOLUME (11 or 14) and change
the input sensitivity (10 or 13)
Microphone is defective or battery in wireless
mic is low
Replace mic or battery
PAS 400 switches Off
Battery is discharged
Connect to AC mains power and recharge
battery
Overheating from operation in a very warm
environment / direct sun - especially when
using full power or recharging battery
Reduce Volume levels (11, 14, 16 or 17),
protect from direct sun and provide air
cooling - or switch Off and wait until the unit
has cooled down
Feedback
Microphone is an omnidirectional type
Use a cardioid or supercardioid mic
Loudspeaker positioning in relation to
microphones
Reposition loudspeakers so that they will
not be aimed at any microphones
Mic volume levels are too high
Turn down VOLUME (11 or 14)
Recorder is connected both to INPUT 3 and to
REC OUT
Turn VOLUME (3) down completely when
recording
TONE control(s) set too high
Turn down TONE controls (25, 24 or 23)
Loud crackle or popping noise
Defective microphone cable
Replace mic cable
Defective connector(s) on microphone cable
Wiggle connectors to determine which one is
defective - replace mic cable or install new
connector
Defective microphone
Replace microphone