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2.6
PFL / Phone
The PFL function is used to check
the channel signals before they
reach the level controls (PFL = Pre
Fade Listening). Depressing the
PFL switch (15) of any channel
makes its signal appear at the
Phone output jack (32) for direct
control by ear.
Use the 'PFL/Phone' level control
(27) to adjust the headphone vo-
lume.
2.7
'PFL To Master' function
Depressing the 'PFL to Master'
button (25) switches the master
module to a different mode, now
providing the same function as
the phone jack. Instead of the
mixed channel signals, the master
output now carries the PFL signals
from all channels that have the
PFL function activated with their
individual PFL button (15). Since
the signal for the master output is
now taken from a point before
the level controls of the channels
(14), these controls work only for
their individual outputs and have
no effect on the master signal.
Also, the 'To Master' switches
(22) on the back panel have no
function in this mode. As before,
the master level knob (30) adjusts
the overall volume of the master
outputs (17, 18). The LED (26)
next to the 'PFL to Master' switch
shows if this function is active.
4
5
CLIP
VR 6
VR 6
O K
LOW
CEIVE
RF RECEIVE
MUTE
ON
0
10
0
LEVEL
PFL
LEVEL
50 MHz
14 183,875 MHz
2.8
Mains power switch
The 'Power' switch (23) turns the
whole receiver unit on and off, as
indicated by the LED (24) next to
the switch.
Bear in mind that the transmitters
have their own power switches
and have to be turned off indivi-
dually if the VR 6 is not in use.
2.9
'RF Receive' LED
The 'RF Receive' LED (11) indica-
tes if a receiver module is able to
detect an r.f. carrier signal from
its corresponding transmitter. This
carrier signal is produced when-
ever the transmitter is turned on,
no matter if an audio signal is ap-
plied or not.
Parasitic signals from other r.f.
stray sources, which can make a
disturbance-free transmission im-
possible, show themselves by trig-
gering this LED even when the
transmitter is turned off. In this
case, if a relocation of the VR 6
shows no improvement, this chan-
nel's particular transmission fre-
quency cannot be used in this lo-
cation.
6
8
CLIP
VR 6
9
O K
10
LOW
11
RF RECEIVE
14
12
MUTE
13
ON
10
0
10
PFL
LEVEL
15
15 185,750 MHz
owner's manual d.a.i.sy VR 6
31
MASTER
CLIP
30
0
10
LEVEL
26
0
TREBLE
PFL TO MASTER
29
–
+
EQ
0
28
BASS
–
+
© Zeck Audio
d.a.i.sy VR 6
2.10
Audio level LEDs
The three LEDs 'Low' (10), 'O.K.'
(9) and 'Clip' (8) on the receiver
modules give information about
the level of the incoming audio
signal from the transmitter. The
transmitted audio level can be ad-
justed with the Gain control screw
(1) on the transmitter (see chapter
4. for detailed instructions).
The channel level control knobs
(14) are electronically located
after these LEDs and therefore do
not affect them.
2.11
Mute (noise) control
The recessed Mute control screw
(12) gives control over the noise
suppression threshold (a.k.a.
'Squelch'). This control has been
factory pre-adjusted for best noise
performance and will need re-ad-
justment only under extremely dif-
ficult transmission circumstances.
If noise burst become audible,
even with turned-off transmitter,
rotate the Mute control a little
clockwise until the noise stops.
When sound drop-outs occur over
long transmission distances, a
more counterclockwise position of
the screw will give better results.
If in doubt, it is always more ad-
visable to adjust the Mute control
to a more counterclockwise positi-
on.
PFL / PHONE
27
0
10
LEVEL
VR 6
25
PHONE
24
POWER
32
WIRELESS SYSTEM
23
17
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