Manual Frequency Synchronization; Tips For Optimum Performance; Troubleshooting; Specifications - Shure MX690 User Manual

Manual Frequency Synchronization

1. Press and hold the transmitter SELECT button until the desired group number appears.
2. Press SELECT again and release it when the desired channel number appears.

Tips for Optimum Performance

• Maintain a direct line of sight between the transmitter and receiver antennas.
• Avoid placing the transmitter on metal surfaces.
• Avoid placing laptop computers or other obstructions in front of the microphone during use.
• Only use with a Shure SLX4L wireless receiver.

Troubleshooting

If you encounter difficulty with the SLX Wireless System
• Make sure both the transmitter and the receiver are turned on.
• Replace the battery if the battery LED is red.
• Make sure the Group/Channel settings for each transmitter-receiver pair are identical.
• Make sure there is an unobstructed line of sight between the transmitter and receiver.
• If necessary, reposition the receiver or decrease the distance between transmitter and receiver.
• Remove local sources of RF interference, such as computers or lighting equipment.
• Remove metal objects within 0.3 m (1 ft.) of the transmitter
Note: Refer to the SLX Wireless System User Guide for complete troubleshooting procedures.

Specifications

Working Range
Line of Sight
30 m (100 ft)
Frequency Stability
±10 ppm
Modulation
FM, 45 kHz max. deviation
Power Requirements
2 LR6 AA batteries, 1.5 V, alkaline
Power Consumption
@3 V
Shure Incorporated
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