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ENGLISH
8
THE P4T TRANSMITTER
Controls and Features
1
2
3
4
5
6
7
8
9
TRANSMITTER FRONT PANEL
TRANSMITTER BACK PANEL
PA715 ANTENNA
1. Local Earphone Output Jack (1/8 inch):
Connects to earphones.
2. Local Earphone Level Control: Adjusts the volume of the local
earphone jack’s amplifier. Always listen at low levels.
3. Input Level LEDs: Two vertical strings of four LEDs display the
input level of the left and right input channels. The four LEDs on
the left display the status of the signal from channel 1 and the four
LEDs on the right display the status of the signal from channel 2:
LED Signal Status
RED (top) Limiter Active
YELLOW (middle) Nominal Level
GREEN (bottom two) Signal Present
4. Transmission Frequency LED: This indicates which of the 16
Channels (0–9 or A–F) is transmitting.
5. Frequency Select Button: This recessed button changes the
transmission channel. (Use a 1/4” plug to press this button.)
6. Antenna Connector 50 W, BNC type: This connects to the an-
tenna to transmit UHF signals to the receiver.
7. LOOP OUT Jacks: Two 1/4” TRS jacks allow the audio signal
to pass through the transmitter to other devices, including other
transmitters, tape recorders, or amplifiers. See LOOP Applica-
tions on page 9.
8. Input Jacks: Two 1/4” TRS switching jacks are line level audio
inputs.
9. DC Input Connector: Input for PS41 power supply or P4M mix-
er’s DC jumper cable.
Set-Up
Follow these directions to set up the P4T transmitter for operation:
1. Plug the mixer’s DC OUT jumper cable into the transmitter’s DC input.
2. Attach the antenna to the ANTENNA OUT BNC connector.
3. Connect the mixer’s MIX OUT 1/L and MIX OUT 2/R to inputs 1/L and 2/R of the transmitter.
4. Select an operating frequency using the FREQUENCY SELECT button. Push the button repeatedly until the LED displays the desired chan-
nel. The display will flash. Push and hold the button until the flashing stops to confirm the change (use a 1/4” plug to press the button).
IMPORTANT: Never set more than ONE transmitter to the same operating frequency.
5. Once the transmitter transmits audio, observe the INPUT LEVEL LEDs. If the LEDs consistently illuminate red, decrease the output level of
the audio source until the red LEDs only flicker occasionally.
6. Set up the P4R receiver as directed in the P4R section of this user’s guide. Make sure that the frequency selected on the receiver matches the
frequency selected on the transmitter.