Instruction Manual

UM500
SPECIFICATIONS AND FEATURES
Operating frequencies: 525.000 to 862.000 MHz
Frequency selection: 256 frequencies in 100kHz steps normally,
25kHz steps in customized configuration
RF Power output: 50 mW (nominal)
Pilot tone: 25 to 32 kHz frequency; 3.5 kHz deviation
Frequency stability: ± 0.002%
Deviation: ± 50 kHz (max)
Spurious radiation: 90 dB below carrier
Equivalent input noise: –120 dBV, A-weighted
Input level: Nominal 2 mV to 300 mV, before limiting.
Greater than .7V maximum, with limiting.
Input impedance: Taps provided for 4k, 40k Ohm
Input compressor: Dual envelope compressor, >30 dB range
Gain control range: 43 dB; semi-log rotary control
Modulation indicators: Dual bicolor LEDs indicate modulation of -20, -10, 0, +10 dB
referenced to full modulation.
Low frequency roll-off: –18dB/octave; 30Hz to 150Hz
Controls: • 2 position “OFF-ON” slide switch for noiseless turn on/turn off operation.
• Front panel knob adjusts audio gain.
• Recessed control on side panel adjusts low frequency rolloff.
• Rotary switches on side panel adjust transmitter frequency.
Audio Input Jack: Switchcraft 5 pin locking (TA5F)
Antenna: Detachable, flexible wire supplied. 50 Ohm port allows connection to test
equipment.
Battery: Precision compartment auto-adjusts to accept any known alkaline 9 Volt battery.
(We’ve tried 243 different ones!)
Battery Life: 6 hours (alkaline); 13 hours (lithium)
Weight: 6.3 ozs. including battery
Dimensions: 3.1 x 2.4 x .75 inches
Specifications subject to change without notice.
This product meets the CE Compliance Standards - ETS 300 445; January
1996 and I ETS 300 422 (December 1995). A copy of the Declaration of
Conformity may be requested from your dealer or by contacting the factory
directly:
Lectrosonics, Inc.
Marketing Department
581 Laser Rd. NE, Rio Rancho, NM 87124 USA
tel: [phone] fax: [phone] e-mail: [e-mail]
LECTROSONICS, INC.
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