Front Panel; Rear Panel; Audio Output; Setting Up - AKG PR 81 Mode D'emploi

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1g Antennas: Being a diversity receiver, the PR 81 uses two antennas in order
to receive the transmitter signal at two different points in space. The diversity
circuit will automatically activate the antenna that provides the better signal.
1h Color code platelet: If you use the receiver within a multichannel system,
you can remove the black plastic platelet and replace it with a different color
platelet from the optional Color Coding Kit. This allows you to identify the
various channels clearly and easily.
1i Battery compartment: Accepts the supplied 1.5 V dry batteries, recharge-
able batteries of the same size (not supplied), or the optional PA 81 supply
adapter.
1j SQUELCH: The squelch will mute the receiver if the received signal is too
weak so the related noise or the self-noise of the receiver will not become
audible when the transmitter is switched OFF. Set the SQUELCH control to
minimum before switching power to the receiver ON for the first time. (For
details, refer to Part V, section 1.)
1k CHANNEL: This rotary switch selects the desired receiving frequency.
1l Battery compartment cover.
1m Screwdriver: A detachable screwdriver is provided on the inside of the bat-
tery compartment cover (1l) for adjusting the SQUELCH and CHANNEL
controls.
1n Carrier frequency table: Sticker indicating the available carrier frequencies
and the frequency set for which your receiver has been programmed.
1o Approval marks.
1p Belt clip for fixing the receiver on your belt.
The AUDIO OUT 3-pin mini XLR connector (1r) on the receiver top panel provides
a fixed-level line output and an adjustable mono headphone output. The rotary
control (1e) lets you adjust the volume level of the headphones output.
The AUDIO OUT connector (1c) is wired as follows:
Pin 1: ground
Pin 2: line output (fixed level)
Pin 3: headphone output (adjustable)
In order to avoid overloading the headphone amplifier, do not connect head-
phones with an impedance of less than 16 Ω to the headphone output.
Prior to inserting batteries into the receiver, set the transmitter and the receiver to
the same carrier frequency. The carrier frequency tables on the transmitter (2h, 3k)
and receiver (1I) indicate the channel numbers corresponding to the various car-
rier frequencies.
1. If the belt clip (1p) is attached to the receiver, remove the belt clip (1p) first so
you can open the battery compartment (1I):
Use a screwdriver as a lever to lift both ends of the belt clip (1p) out of the
fixing holes in the receiver side panels.
2. To open the battery compartment (1I), press down on the arrow symbol on the
battery compartment cover (1l) and push the battery compartment cover (1l)
in the direction of the arrow away from the receiver.
3. Remove the screwdriver (1m) from the battery compartment cover (1l).
4. Use the screwdriver (1m) to set the CHANNEL selector (1k) to the desired
channel.
5. Set the transmitter to the same channel referring to section 2.1 in Part III:
HT 81 Handheld Transmitter or Part IV: PT 81 Bodypack Transmitter.
PART II: PR 81 RECEIVER

1.2.2 Front Panel

1.2.3 Rear Panel

1.3 Audio Output

Important:

2 Setting Up

2.1 Selecting the
Receiving Frequency
II
21

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Ce manuel est également adapté pour:

Ht 81Pt 81

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