Lectrosonics R400a - Manual (Page 11)

UHF Wireless Diversity Receiver
Rio Rancho, NM 11
The R400A’s menu functions are accessed via the top
level menu, by pressing the MENU control. The control
is then rotated to browse the available menu options,
and pressed to make a selection.
Menu Functions
The R400A Menu functions can be divided into four
main areas: setting up the receiver, automatic clear
channel selection, locking the receiver and scanning for
clear frequencies.
SetUpRx
The SetUpRx menu accesses the screens used to set
up the receiver. These screens include: Freq, Level,
Tuning, Compat, Tone, PilotBP, Phase, TxBatt and
SmartNR.
Freq
The Freq setup screen displays the TV channel (which
television broadcast channel this frequency falls within),
the associated transmitter Frequency Select Switch
settings and the selected operating frequency for the
R400A. To change the operating frequency, rotate the
MENU control. Exit this setup screen by pressing the
PREV MENU button. The receiver will retain its tuning
even when the power is off.
Note: If the operating frequency is changed,
ensure that the Frequency Select Switch settings
of the associated transmitter match the settings
shown in the upper right hand corner of this
screen.
Level-B
The Level-B setup screen displays the audio output
level of the receiver in dBu at the balanced XLR jack.
The output level range is -50dBu to +5dBu and can
be adjusted in 1dB increments by rotating the MENU
control. Pressing the PREV MENU button exits the
setup screen. Output loads less than 100 ohms are not
recommended.
Level-U
The Level-U setup screen displays the audio output
level of the receiver in dBu at the unbalanced 1/4-inch
jack. The output level range is -55 dBu to +0dBu and
can be adjusted in 1dB increments by rotating the
MENU control. Pressing the PREV MENU button exits
the setup screens. Output loads less than 50 ohms are
not recommended.
Tuning
The R400A offers 7 tuning modes: 4 factory set fre-
quency groups (Fact Grp A thru D), 2 user programma-
ble frequency groups (User Grp U and V), and normal
tuning mode (the default).
In normal tuning mode, all 256 channels are available.
The four factory set groups limit tuning to specially se-
lected intermod-free frequencies. (See Frequency Co-
ordination section for more information.) User groups U
and V similarly limit tuning to user-selected frequencies.
Note: Changing tuning modes does not directly
change the receiver’s tuning. It merely changes
the behavior of the tuning knob the when the
Freq setup screen is subsequently accessed.
When switching to a new group tuning mode, it
is to be expected that the receiver will be tuned
(initially and temporarily) to a channel that is not
a part of the newly selected group. Selecting a
new frequency from the Freq screen clears this
condition, as only frequencies in the group are
offered.
Compat
The Compat setup screen is used to select the compat-
ibility mode, allowing the R400A to operate with a va-
riety of transmitters. The available compatibility modes
are:
400 - This is the factory default setting and works
with all Lectrosonics 400 Series Digital Hybrid Wire-
less ® transmitters. This mode offers the best audio
quality.
IFB - This mode works with all Lectrosonics IFB
compatible transmitters.
100 - This mode works with all Lectrosonics 100
Series compatible transmitters.
200 - This mode works with all Lectrosonics 200
Series compatible transmitters.
MODE 3 and MODE 6* - These modes work with
a number of non-Lectrosonics analog transmitters.
Contact the company for a list of compatible trans-
mitters for each mode.
*Mode 6 available on units with Serial Number 236 and up.
Tone-B
The Tone-B setup screen switches from received audio
at the balanced XLR audio output jack to an internally
generated 1kHz audio test tone for precise level match-
ing with other externally connected equipment without
actually going “on the air.”
The Tone level has a range of -50dBu to +5dBu and is
adjusted in 1 dB increments by rotating the menu con-
trol. The test tone has 1% distortion and is intended for
confirmation of output levels only. Pressing the PREV
MENU button exits the setup screen.
Warning: There is only one audio output level
setting for both received audio and the setup
tone. The level set here will be retained in the
receive mode (superseding settings made in
the Level-B setup screen).
Tone-U
The Tone-U setup screen switches from received audio
at the unbalanced 1/4-inch audio output jack to an in-
ternally generated 1kHz audio test tone for precise level