DR-4000 Series Owner’s Manual
24
SPECIFICATIONS
System Specifications
Operating Frequency Range
672.000MHz–696.975MHz (US)
Freq. Synthesized
(1000 CHANNELS switchable) 25kHz/step
PLL system frequency stability
<0.005%
Frequency Response
30Hz –18kHz +/–3dB
Dynamic Range
120dB
Harmonic Distortion
<0.5%
Modulation
FM (F3E) +/–25kHz normal, +/–75kHz max
Operating Range
150–300 feet typical
DR-R40 Receiver Specifications
Receiver System
Dual conversion Super Heterodyne with True Diversity
(2 complete receiver sections with optimum audio selected)
Selectivity
60dB, /–75kHz offset
Image Rejection
–70dB, minimum
Sensitivity
–107dBm, normal
Spurious Rejection
65dB, normal
Mute Threshold
–65dBm to –95dBm (adjustable)
Controls
UP–DOWN selects, SET, IR Sync, Power ON/OFF
buttons, MUTE level control
LCD Display
Single backlight LCD panel indicating selected
GROUP/CHANNEL, received RF levels, A/B diversity,
unbalanced receiver out Volume levels
LED Display
5–segment LED tree indicating received audio levels
from transmitter
Audio Output Level
Unbalanced output: 360mV adjustable
Balanced output: 24mV fixed level
Audio Output Impedance
Balanced and unbalanced: 600 Ω
Power Requirement
15 –18VDC / 400mA
Antennas
Dual BNC right angle
Dimensions
8.25” x 6.25” x 1.75” (21.6 cm x 15.9 cm x 4.5 cm)
[W / D / H]
Weight
2 lbs (0.907 kg)
Housing Construction
Metal
DR-T40 Handheld Transmitter Specifications
RF Output Power
HI/LO selectable. HI: +14dBm (25mW typical),
LO: +4dBm (2.5mW)
Harmonic and spurious Emission
–50dBc normal
Audio Input Levels
24mV
Impedance
6.0 kΩ
Input Volume Attenuation
–30dB
Controls
Power ON/OFF, RF Power Hi/Low switches, SET/UP/DOWN
LCD Display
Group/Channels/Battery Levels,
Antenna Type
Integral
Battery Type
2 x AA alkaline batteries operation
Battery Life
8 –10 hours typical
Dimensions
10” x 2” (25.4 cm x 5.1 cm) [L / Dia.]
Weight (w/o batteries)
11 oz (0.312 kg)
Housing construction
Metal
8868 Digital Ref 4600 Manual.indd 24
10/27/09 10:37:19 AM
