Lectrosonics DBSM, Инструкция по эксплуатации

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DBSM-A1B1, DBSM/E01-A1B1, DBSMD-A1B1, DBSMD/E01-A1B1
LECTROSONICS, INC.
28
Operating frequencies:
DBSM(D)-A1B1 : Band A1-B1: 470.100 - 607.950
DBSMD(D)/E01-A1B1 : Band A1-B1: 470.100 - 614.375
NOTE: It’s the user’s responsibility to select the
approved frequencies for the region where the
transmitter is operating
Channel Spacing: 25 kHz
RF Power output: DBSM-A1B1: 2 (HDM), 10, 25 or 50 mW
DBSMD-A1B1: 2 (HDM) 10, 25 or 50 mW
Compatibility Modes: DBSM-A1B1/DBSMD-A1B1: D2 Encrypted digital
and HDM high density mode
Modulation Type: 8 PSK
Frequency stability: ± 0.002%
Spurious radiation: Compliant with ETSI EN 300 422-1
Equivalent input noise: –125 dBV, A-weighted
Input level:
If set for dynamic mic: 0.5 mV to 50 mV before limiting
Greater than 1 V with limiting
If set for electret lavaliere mic: 1.7 uA to 170 uA before limiting
Greater than 5000 uA (5 mA) with limiting
Line level input: 17 mV to 1.7 V before limiting
Greater than 50 V with limiting
Input impedance:
Dynamic mic: 300 Ohms
Electret lavaliere: Input is virtual ground with servo adjusted
constant current bias
Line level: 2.7 k ohms
Instrument: 300 k ohms
Input limiter: Soft limiter, 30 dB range
Bias voltages: Fixed 5 V at up to 5 mA
Selectable 2 V or 4 V servo bias for any electret
lavaliere
Gain control range:
-7 to 44 dB; panel mounted membrane switches
Modulation indicators: Dual bicolor LEDs indicate modulation
–20, -10, 0, +10 dB referenced to full modulation
Controls:
Control panel w/ LCD and 5 membrane switches
Low frequency roll-off:
Adjustable from 20 to 150 Hz
Input
Type: Analog mic/line level compatible;
servo bias preamp for 2V and 4V lavaliere
microphones
Input level: • Dynamic mic: 0.5 mV to 50 mV
• Electret mic: Nominal 2 mV to 300 mV
• Line level: 17 mV to 1.7 V
Input connector: TA5M 5-pin male
Audio Performance
Frequency response: 20Hz to 20kHz, +/- 1dB: D2 Mode
20Hz to 16KHz, +/- 3dB: High Density
(HDM) Mode
Dynamic range: 112 dB (A)
Distortion: < 0.035%
Antenna: Detachable, SMA Connector
Battery: AA (+1.5 VDC) disposable, Lithium
recommended
Battery Life w/ AA batteries (shown in hours and minutes)
Lithium Alkaline NiMH
DBSM-A1B1 (1 AA):
2 mw - 8:55
10 mw - 7:25
25 mw - 6:35
50 mw - 4:45
2 mw - 2:15
10 mw - 2:00
25 mw - 1:25
50 mw - 1:10
2 mw - 5:25
10 mw - 4:55
25 mw - 4:25
50 mw - 4:20
DBSMD-A1B1 (2 AA):
2 mw - 18:20
10 mw - 16:35
25 mw - 15:10
50 mw - 12:10
2 mw - 7:45
10 mw - 7:10
25 mw - 6:20
50 mw - 4:30
2 mw - 10:55
10 mw - 10:30
25 mw - 9:20
50 mw - 7:25
Weight w/ battery(s): DBSM-A1B1: 3.2 oz. (90.719 grams)
DBSMD-A1B1: 4.8 oz. (136.078 grams)
Overall Dimensions: DBSM-A1B1: 2.366 x 1.954 x 0.642 inches;
(without microphone) 60.096 x 49.632 x 16.307 mm
DBSMD-A1B1: 2.366 x 2.475 x 0.642 inches;
60.096 x 62.865 x 16.307 mm
Emission Designator:
DBSM-A1B1/DBSMD-A1B1: 170KG1E
Recorder
Storage media:
microSDHC memory card
File format:
.wav files (BWF)
A/D converter:
24-bit
Sampling rate: 48 kHz
Recording modes/Bit rate:
HD mono mode: 24 bit - 144 kbytes/s
Input
Type: Analog mic/line level compatible;
servo bias preamp for 2V and 4V lavaliere
microphones
Input level: • Dynamic mic: 0.5 mV to 50 mV
• Electret mic: Nominal 2 mV to 300 mV
• Line level: 17 mV to 1.7 V
Input connector: TA5M 5-pin male
Audio Performance
Frequency response: 20Hz to 20kHz, +/- 1dB:
Dynamic range: 112 dB (A)
Distortion: < 0.035%
Operating temperature range
Celsius: -20 to 50
Fahrenheit: -5 to 122
Specifications subject to change without notice.
Available Recording Time
Using a microSDHC* memory card, the approximate
recording times are as follows. The actual time may
vary slightly from the values listed in the tables.
(HD mono mode)
Size Hrs:Min
8GB 11:10
16GB 23:00
32GB 46:10
*microSDHC Logo is a trademark of SD-3C, LLC
Specifications