Operating Instructions
HXiR Hand Held Radio Microphone Transmitter
The HXiR is the latest innovative microprocessor controlled hand held transmitter from
Audio Limited. The transmitter utilises inter-changeable, high quality condenser capsules
from the Schoeps
broadcast quality audio is required.
The transmitter incorporates a microphone suspension specially designed by Rycote ™,
for Audio Limited, to minimize the handling noise.
Colette range, Thereby allowing a variety of applications where
™
The Hx
The transmitter antenna has been integrated into the design of the battery compartment to
enhance the elegant appearance. The TX is powered from a single “AA” type 1.5 V
battery, allowing the transmitter to be used for up to two and a half hours continuously
from a good quality alkaline battery. A lithium “AA” type battery is available allowing
seven hours continuous use.
As with all previous products from Audio Limited, the transmitter has been designed for
ease of use, with all user settable functions being controlled by the unique Switch
can have up to 32 switchable frequencies over a 24MHz bandwidth.
iR
iR.
1
Microphone Windshield
2
Microphone Windshield
Identifier
Infra-red Port
ON Button
Battery Compartment
Microphone Capsule
Transmitter Body
ON / Overload Indicator
+
Battery Compartment Cover
AA
3
Identification Ring
Infra red Port
On Button
Microphone Capsule
Transmitter Body
Battery Compartment
Battery Cover
On/Overload Indicator
4
1) Battery Access
The HX
uses a single AA 1.5V (LR6, MN1500) type alkaline battery
iR
which is universally available.
Grip the battery compartment cover and slide it away from the body of the
HX
to expose the battery compartment. Fit the AA battery with the
iR
Positive terminal uppermost and the negative terminal at the sprung end.
Close the battery cover.
Do not twist the cover.
2) Switching the transmitter ON
Press and hold the grey “ON” button found below the infra red port, for one
second. A red LED will illuminate the translucent ring above the battery
compartment.
There is no “OFF” switch on the transmitter preventing the transmitter from being
turned off accidentally. The transmitter can only be turned off via the Switch
by disconnecting the battery.
To turn the transmitter off via the Switch
[Subsequent or continuous pressing
iR
of the “ ON” switch will not have any effect on the transmitter function]:
Press
iR
MENU
port on the transmitter and press
followed by
down arrow.
OK
Align the front of the Switch
OFF
TX
iR
iR,
with the
or
3) Selecting the operating frequency
The
Switch
iR
enables the user to check, and change the frequency setting
of the transmitter being addressed.
To check frequency
Step 1.
Press
MENU
- display shows
Align front of SwitchiR with infra red port of TX
Step 2
. Press
OK -
displays the set frequency of TX / RX
e.g. 857.950
(
Pressing the OK button downloads the
32 frequencies from the unit into
FREQUENCY
Fr
MHZ
MHZ
SwitchiR)
5
To Change Frequency
Follow
i )
Steps 1 & 2.
Press
ii )
OK -
frequency and channel number
Press
iii )
up/
down arrows
iv ) Point
Press
v )
the Switch
OK
4) Setting the Gain
To
Check
Press
i )
by the
gain setting:
MENU
up arrow once
Align front of SwitchiR with infra red port of TX
ii)
Press
- to view gain setting
OK
display will alternatively flash between
e.g. ''''857.95'''' ''''21''''
MHZ CHANNEL
to scroll through any of the 32 frequencies
pre-programmed into the receiver or
transmitter until desired frequency is displayed
- directly at the infra red port of the transmitter.
iR
- to change the frequency.
of the transmitter.
Display will show the new frequency
followed - display will indicate:
AF
on transmitter, e.g.:
TX
AF LEVEL
AF LEVEL
8
TX
To
Change
i ) Follow
Press
ii )
Press
iii)
gain setting:
the above
steps 1 & 2
OK
up / down arrows
- the display will flash the ''''AF LEVEL'''' icon
- to select any one of ten gain settings
once the desired gain setting is selected,
Align front of SwitchiR with infra red port of TX
iv)
Press
OK
- to set the new gain setting.
Note: Steps between gain settings are approximately 3 to 4 dB.
The “ON” indicator has a dual function.
The translucent ring above the battery compartment is normally illuminated while the
transmitter is switched on. This red light will turn off indicating an overload if the
microphone experiences a loud signal.
6
The gain control should be adjusted to suit the application. Set the gain position such that
the overload indicator remains illuminated during normal speech.
The HxiR transmitter uses the same ultra low distortion, fast attack, fast decay
overload compressor as found in the TX2020 pocket transmitter. In normal use,
the gain should be set so that this compressor does not operate. Should an overload
occur then the red LED will flash momentarily and the gain switch should be set
lower. In the event that overloads occur, however, the only result will be
compression rather than distortion. This means that if an interview is disturbed by
unexpected aircraft or vehicles passing for example, an otherwise useless recording
is rendered useable. The fast recovery of the compressor means that one does not
have the problems of feedback associated with automatic gain controls in hand held
radio microphone transmitters which are constantly varying their own gain.
With the wide dynamic range of the system, however, it is always possible to
set the gain control so that the compressor never operates. It is present only for the
unexpected.
5) Setting the Low Frequency Cut Filter
The LF cut filter gives approximately 10dB cut at 50Hz to reduce handling and wind n To
Check
status of low frequency filter:
Press
i )
ii )
Press
MENU
Up arrow twice -
display will indicate
Align front of SwitchiR with infra red port of TX
Press
iv)
To
Change
Follow the
i )
Press
ii )
Press
iii )
arrows
- to view the present status of the LF cut filter e.g.: On
OK
the
filter setting:
above steps
OK
- the display will flash ''''On''''
Up/down
- to toggle between the On / Off settings.
Once desired setting is reached.
Align front of SwitchiR with infra red port of TX
iv )
Press
OK
- to set the new LF Cut status.
6) Battery Status
The battery status of the transmitter is checked via the Switch
LF Cut
TX
iR
7
Battery Level Transmitter
To
Press
i )
Press
ii )
Check
status of
battery
in transmitter:
MENU
Up arrow three times -
display will indicate
BAtt
TX RX
Align front of SwitchiR with infra red port of TX
iii )
Press
- display will show the battery status volts
OK
The transmitter battery status is also conveyed to the receiver. When checking
The battery status via the receiver, the SwitchiR display will alternate between the
Receiver voltage and the received transmitter battery status.
The display will indicate:-
High / Good battery
H –
– Low battery
L
– Fail / Replace battery
F
H
TX
L
TX
F
TX
Battery life - 2.5 hours typical with a good alkaline battery / - 7 hours lithium battery.
7) Infra red Disable
For live performances or situations requiring a higher degree of protection from an
accidental change of settings, the infra red port on the transmitter can be disabled.
This action will prevent all communication to the transmitter
The only way to re-activate the infra red port is by disconnection of the battery, thereby
performing a hard reset.
To disable the infra red port:
Press
i)
Press
ii)
MENU
Down arrow twice
display will indicate
‘diSABLE “ Ir ? ‘
8
8) Antenna
The transmitter antenna is integrated into the battery compartment and therefore no
external antenna is required.
9) Microphone Capsule
The HX
the Schoeps ™ Colette range. The Hx
and accessories in the range.
10) Fitting capsule
Unscrew the metal windscreen (1) from the top of the transmitter. Fit the appropriate
capsule taking care not to over tighten the capsule (2). Replace the windscreen.
Setting up the HX
∙ Fit the battery
∙ Press “on” switch till indicator illuminates
∙ Check transmitter frequency corresponds to that of the receiver.
∙ Set gain
∙ Set LF Cut if required
∙ Check that the receiver’s ‘No signal’ indicator is not illuminated.
Holding the HX
The HX
Enable the maximum power radiation from the integrated antenna in the transmitter
compartment (7). Holding of the HX
range of the transmitter, and should be avoided.
iR
transmitter utilises the high quality inter-changeable condenser capsules from
iR
is compatible with the full range of capsules
iR
iR
iR
should be held above the illuminated ‘on’ indicator ring (6). This will
over the battery compartment (7) will impair the
iR
Note: The HX
the battery is removed from the transmitter. The information is stored in the non-volatile
Memory of the HX
The capsule mounting has been specially designed by Rycote™, to minimize the
handling noise.
The transmitter is supplied with six coloured identifying rings to aid recognition in
multi-channel use.
The ring also prevents the transmitter from rolling when placed on a table or other such
surface, due to the specially designed flat areas on the ring.
Infra red Disable
For live performances or situations requiring a high degree of protection from an
transmitter will retain the last settings of frequency, gain, LF status even if
iR
iR
9
Accidental change of settings, the infra red port on the transmitter can be disabled.
The only way to re-activate the infra red port is by disconnection of the battery thereby
performing a hard reset.
10
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