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– 3 –
UP4 RECEIVER CONTROLS AND INDICATORS
FIGURE 3
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UP4 RECEIVER FEATURES
1. Group Setting Control. Rotate this switch clockwise to advance the Group setting, or rotate it counterclockwise to decrease the setting. Use the supplied
screwdriver to make adjustments.
2. Channel Setting Control. Rotate this switch clockwise to advance the Channel setting, or rotate it counterclockwise to decrease the setting. Use the
supplied screwdriver to make adjustments.
3. Three-way Power Switch. The power switch features three positions: ON (power on with tone key activated, to find the signal from Shure U or UC
transmitter); OFF (power off); or ON (TONE KEY OFF) (power on with tone key disabled, to listen to interfering signals.)
4. Headphone Jack: This allows the user to listen to incoming audio signal. Accepts mono or stereo 1/8” plug.
5. Headphone Gain Control: This allows the user to set the headphone gain level at High, Mid-point or Low level, independent of audio level.
6. Push-Lock Audio Gain Pot: The audio gain pot recesses after the gain is set. Simply set to desired level and then push in to lock. Pot has a
center detent at -40 dBu. (Consult your camera’s product literature for information on the proper level setting for the camera’s audio input.)
7. LED Indicators: Three LEDs provide information on the following functions:
LED STATUS
LED INDICATOR
GREEN RED OFF
RF Tone Key active, usable RF signal N/A No RF and/or no Tone Key
AUD Audio at useable, non–peak level Audio within 9 dB of reaching
peak (clip) level
No audio/Low audio level
PWR Power on Power on, receiver battery low Power off
8. SMA Antenna Input Connectors. SMA–type connectors allow easy installation of the supplied antennas.
9. Battery Compartment: Installation of a 9V battery allows use of unit without external power source.
10. XLR Output Connector (Low Z). XLR connector provides balanced low-impedance output.
11. Locking DC Jack: The DC jack allows powering of the receiver with an external DC source or an AC adaptor. The jack is threaded to insure a secure
connection.