Changing Receiver Squelch Control Settings
The receiver SQUELCH control is
1.Position the system as it will be during use.
2.Using a screwdriver or fingernail, rotate the headphones VOLUME control on the receiver to the full counterclockwise position.
3.Turn the transmitter POWER switch off.
4.If the RF or PEAK lights are on or are flickering, slowly turn the receiver SQUELCH control clockwise until they turn off. Continue turning the control clockwise slightly past this point. See Figure 8.
NOTE: Rotating the SQUELCH control toward MIN (counterclockwise) makes the re- ceiver more sensitive and increases the system’s range. However, it also allows the signal to become noisier before it is muted. Rotating the SQUELCH control toward MAX (clockwise) reduces the system’s range, but prevents interfering signals and noise from overriding the squelch when the transmitter signal is not present.
FEATURES AND CONTROLS
VP3 Receiver (Figure 9)
1.Antenna: Receives RF signals from the transmitter. Pivot the antenna as required to maintain vertical orientation.
2.Belt Clip: Allows the receiver to be worn on a belt or waistband. The clip can be removed when the
3.12 Vdc Power Input Connector: Accepts 12 Vdc power from any
4.Headphones Output Connector: Insert headphones
5.Headphones VOLUME Control: Rotate this knob to increase or decrease the headphones output level.
6.Battery Compartment: Hinged cover on provides access to the battery.
7.Audio Output Connector:
8.AUDIO PEAK Indicator: Red light indicates audio overload. During normal operation, the light flickers only on loud signals. See Audio Gain Adjustments section.
9.POWER/RF Indicator: Green POWER ON light glows when the receiver is turned on. An orange light indicates that an RF signal is present.
10.OFF/ON Switch: Turns the VP3 receiver on and off.
11.Squelch Control: Mutes the receiver when no signal is received. Use the supplied screwdriver to adjust the squelch level. See Changing Receiver Squelch Settings.
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