Shure T4 - Troubleshooting Wireless System Issues

17
English
Troubleshooting
PROBLEM INDICATOR STATUS SOLUTION
No sound or faint
sound
Transmitter POWER light off • Slide transmitter POWER switch to ON.
• Make sure battery is inserted properly (+/- battery terminals must
match transmitter terminals).
• Insert fresh battery.
Receiver POWER light off • Make sure AC adapter is securely plugged into electrical outlet and
into DC input connector on rear panel of receiver.
• Make sure AC electrical outlet works and supplies proper voltage.
Receiver A/B lights on • Slide transmitter MUTE switch to ON.
• Increase transmitter gain until Transmitter Audio Peak light flashes
on loud peaks.
• Turn up receiver volume control as necessary.
Receiver A/B lights off
Transmitter and receiver
POWER lights glowing
• Extend receiver antennae vertically (T4).
• Move receiver away from metal objects.
• Maintain line of sight between transmitter and receiver.
• Move transmitter closer to receiver.
• Check that receiver and transmitter are using the same frequency.
Receiver A/B lights on
Transmitter Audio Peak
light on
• Turn up receiver volume control.
• Check cable connection between receiver and amplifier or mixer.
Transmitter LOW BATTERY
light on
• Replace transmitter battery.
Distortion or unwanted
noise bursts
Receiver A/B lights on • Remove or turn off nearby sources of RF (such as other wireless
systems, CB radios, CD players, computers, digital effects, etc.).
• Use a wireless system that operates on a different frequency.
• Reduce transmitter gain.
• Replace transmitter battery.
Receiver A/B lights on
Transmitter Audio Peak
light on
• Reduce transmitter gain.
Distortion level
increases gradually
Transmitter LOW BATTERY
light on
• Replace transmitter battery.
Sound level different
from cabled guitar or
microphone, or when
using different guitars
Receiver A/B lights on • Adjust transmitter gain and receiver volume as necessary.
Signal loss as
transmitter moves
around performing
area
Receiver A/B lights off when
signal is lost
• Reposition receiver and perform walk-through test. If audio dropouts
persist, locate “dead” spots and avoid them during performance.