Specifications; Wireless Designer Software; Firmware Update Instructions - Lectrosonics DHu Instruction Manual

DHu

Specifications

Frequency range: 470.100 - 607.950 MHz
Frequency selection steps: Selectable; 100 kHz or 25 kHz
Audio Frequency Response: 20 Hz – 20 kHz +- 3dB
RF Power output: Selectable; 25 or 50 mW
Frequency stability: ± 0.002%
Digital Modulation: 8 psk
Spurious radiation: Compliant ETSI EN 300 422-1 v1.4.2
Operating temperature range: -20° C to +50° C
Input compressor: Dual envelope compressor, >30 dB range
Gain control range:
45 dB; semi-log menu-driven control; 1 dB steps
Modulation indicators:
Dual bicolor LEDs indicate modulation
of -20, -10, 0 and +10 dB referenced to full
modulation, LCD bar-graph indicator
Frequency response 40 Hz to 20 kHz (+/- 1dB)
Low frequency roll-off: -3 dB @35, 50 and 70 Hz; selectable; 36 dB/octave
Controls:
External: Programmable mute/talkback button
Battery compartment: Power, mute disable, menu/select, up/down, and
back arrow buttons for menu selection and settings
Battery: 2x AA with polarity protection and battery ejector
Battery life:
At 50 mW: 5 hours (Duracell Quantum); battery
status is transmitted to Lectrosonics receivers
Capsule Interface: 1.25" opening and 28 thread pitch
Power available: 5V, 25 mA max
Input impedance: 1000 Ohms
Weight: 12.1 oz. with batteries and HHC capsule
Dimensions: 9.5" long x 1.97" diameter at largest point
Emission Designator: 200KG1E
Specifications subject to change without notice.
14
Wireless Designer
Software
Download the Wireless Designer software installer
from the web sites under the SUPPORT tab at:
http://www.lectrosonics.com/US
http://www.lectrosonics.com/europe/
Wireless Designer only needs to be installed the first
time the software is used. Once the software is in-
stalled, updates are available by simply clicking on an
item in the Help Menu.
Note: If Wireless Designer is already installed,
you must uninstall it before attempting to install a
new copy.
Firmware Update
Instructions
Firmware updates are made with a file downloaded
from the web site and the DBu connected via USB.
The USB port on the transmitter requires a micro-B
male plug on the connecting cable. The other end of
the cable would normally be a USB A-Type male con-
nector to fit the most common type of USB jack used
on computers.
Opening in clear
plastic sleeve
USB Port
Refer to Help in Wireless Designer software for the
procedure.
Spring-loaded balls
engage detents in housing
LECTROSONICS, INC.