Samson AH9 Wireless Transmitter with Fitness Headset Microphone (K: 470 to 494 MHz) - Manual (Page 6)

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1. DC Input - Connect the supplied power adapter here, using the strain relief as shown in
the illustration below. WARNING: Do not substitute any other kind of power adapter.
Doing so can cause severe damage to the CR77 and will void your warranty.
2. UNBALANCED OUTPUT - Use this unbalanced high impedance (5 kΩ) 1/4” jack when
connecting the CR77 to consumer (-10 dBV) audio equipment. Wiring is as follows: tip
hot, sleeve ground.
3. MIC/LINE Switch - Sets the audio output level attenuation of the balanced output to -20
dBm (line level) or -40 dBm (mic level).
4. BALANCED OUTPUT* - Use this electronically balanced low impedance (600 Ohm) XLR
jack when connecting the CR77 to professional (+4 dBu) audio equipment. Pin wiring is
as follows: Pin 1 ground, Pin 2 high (hot), and Pin 3 low (cold).
* If required, both the unbalanced and balanced outputs can be used simultaneously.
Using the strain relief: Gather up a loop of wire and pass it through the strain relief, then pass
the adapter plug through the loop in order to create a knot.
Guided Tour - CR77 Receiver / Rear Panel
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