Shure ULX Wireless System User Manual

Page 18

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2. Rotate the control knob. The new Squelch setting will appear on the display, as shown in Figure 42.

FIGURE 42

3. To accept the new Squelch value, press the SET button. The display will then return to the Default Mode, press

the MODE button again.

Locking the Receiver

You can lock the ULXP4 receiver frequency and output level to prevent unauthorized or accidental changes to the settings. To
access the Lock functions, proceed as follows:

1. Hold down the receiver SET button and press the MODE button three times. “Loc” will appear on the receiver display.

See Figure 43.

FIGURE 43

2. Rotate the control knob until one or both of the lock icons flashes on the receiver display, as shown in Figure 44.

FIGURE 44

3. To activate the flashing lock icon(s), press the SET button. The display will return to the default mode and the

lock icon will appear on all display screens. See Figure 44.

FIGURE 45

Unlocking the Receiver

To unlock the ULXP4 receiver frequency and output level settings, hold down the SET button and rotate the control knob
one quarter turn left-right-left. The lock icon(s) will disappear, indicating that the receiver is unlocked. See Figure 45.

FIGURE 46

NOTE: If the volume control knob has been set to a level higher than the locked level, the output level will

remain locked and the Volume Level warning indicator will flash on the receiver display. See Figure
46. Rotate the volume control knob counterclockwise until the Volume Level warning indicator stops

flashing. This will unlock the output level setting.

FIGURE 47

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