Lectrosonics UM400a Quick Start Manual
Lectrosonics standard belt-pack transmitters
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- Instruction manual (20 pages) ,
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- Instruction manual (20 pages)
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Instruction Manual
Q
uick
S
tart
G
uide
Standard Belt-Pack
Transmitters
UM400a
UM450
LMa
Fill in for your records:
Serial Number:
Purchase Date:
This guide is intended to assist with
initial setup and operation of your
Lectrosonics product.
For a detailed user manual, down-
load the most current
version at:
www.lectrosonics.com/manuals
U.S. Patent 7,225,135
06 jun10
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Table of Contents
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Summary of Contents for Lectrosonics UM400a
- Page 1 Standard Belt-Pack Transmitters UM400a UM450 U.S. Patent 7,225,135 Fill in for your records: This guide is intended to assist with initial setup and operation of your Serial Number: Lectrosonics product. For a detailed user manual, down- load the most current...
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Page 2: Controls And Functions
Controls and Functions UM400a, UM450 LMa transmitter transmitters Input Jack Input Jack Power LED AUDIO LEVEL Control Power ON/OFF Modulation Switch LEDs AUDIO LEVEL Power LED Control Modulation Power ON/OFF LEDs Switch Antenna Jack Antenna CIRCULATOR/ISOLATOR 1.6M 100K 1.6M 100K... -
Page 3: Adjustable Low Frequency Roll-Off
Frequency Select Switches Two 16-position rotary switches adjust the center frequency of the carrier. The 1.6M is a coarse adjustment and the 100K is the fine adjustment. UM400a, UM450: LMa: Antenna Antenna The flexible galvanized steel cable... -
Page 4: Selecting The Compatibility Mode
The UM400a and UM450 are functionally identi- cal, while the LMa lacks the manual low-frequency rolloff control. The LMa has an output of 50mW, the UM400a has 100mW output, and the UM450 has 250mW output. NOTE: The unit is supplied from the factory in the Hybrid mode. -
Page 5: Attaching A Microphone And Adjusting Gain
If several different people will be using the transmitter and there is no time to make the adjustment for each individual, adjust it for the loudest voice. www.lectrosonics.com... -
Page 6: Changing The Frequency
1.6M 100K Changing the Frequency Locate the two small rotary switches. (On the UM400a/UM450, slide open the small door on the side of the transmitter.) With the small screwdriver supplied with the kit, turn the left switch to the first character in the... -
Page 7: Battery Installation
Battery Installation UM400a/UM450 To open the battery compartment, To replace the battery, push up on press outward on the cover door in the Battery Compartment Door and the direction of the arrow as shown rotate it clockwise. Remove the old in the illustration.
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