Quick Start Guide - Lectrosonics.com
Contents
1. signal level from the microphone 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 Antenna The flexible galvanized steel cable antenna supplied with the transmit ter is removable via an SMA con nector Replacement antennas are available Belt Clip The belt clip may be removed for special applications by removing one hex screw accessible through the hole in the belt clip WARNING Use ONLY the screw that is supplied Adjustable Low Frequency Roll Off The 18dB per octave low frequency roll off control is used to remove subsonic or very low frequency audio often produced by air condi tioning systems automobile traffic and other sources www lectrosonics com LMa Antenna The flexible galvanized steel cable antenna is permanently attached to the transmitter Belt Clip The wire belt clip may be removed for special applications by spreading the wire away from the housing and sliding it out of the holes Operating Instructions Selecting the Compatibility Mode The UM400a UM450 and LMa can be used with Lectrosonics 400 Series Digital Hybrid 200 Series analog 100 Series analog and some non Lec trosonics analog wireless receivers Contact the factory for details on the non Lectrosonics models that can be used The transmitter must be set to the operating mode o2. This gain adjustment matches the transmitter gain with the user s voice level and microphone positioning Operating Notes If the audio level is too high both LEDs will blink red frequently or glow a steady red This condition may reduce the dynamic range of the audio signal If the audio level is too low neither LED will glow or only the 20 LED will glow green This condition may cause hiss and noise in the audio Different voices will usually require different settings of the AUDIO LEVEL control so check this adjustment as each new person uses the system 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 5 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 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 two digit Transmitter Frequency Switch Setting code then turn the SMe 10042 right switch to the second character of the two digit code For example the frequency display is 623 000 and two digit Transmitter Frequency Switch Setting co
3. for 400 mode e Five times for IFB mode e Six times for Mode 6 At powerup the transmitter will confirm the current compatibility mode with the number of blinks listed here This setting will remain the same until you reset it with the procedure listed above 4 LECTROSONICS INC Attaching a Microphone and Adjusting Gain 1 Ensure the battery is in good condition 2 Insert the microphone plug into the input jack aligning the pins be sure that the connector locks 3 Attach the antenna to the SMA connector on the top of the transmitter 4 Mute the associated receiver s audio output 5 Turn on the transmitter 6 Position the microphone in the location you will use in actual operation While speaking or singing at the same voice level that will actually be used observe the Modulation LEDs Adjust the AUDIO LEVEL control until the 20 dB LED Signal Level 20 LED 10 LED glows green with oc Less than 20 dB O Off O Off casional red flickers and 10 dB glows green 20 dB to 10 dB Green O Off This will set the gain 10 dB to 0 dB Green Green Of your transmitter so peaks are between 0 0 dB to 10 dB Red Green dB and 10 dB modula Greater than 10dB Red Red tion 7 Once the gain has been adjusted the mixer or recorder can be turned on to make level adjustments NOTE The transmitter Audio Level Control should not be used to control the volume of your sound system or recorder levels
4. the old battery and take note of the polarity marked inside showing the location of the positive and negative terminals You can see the large and small contact holes inside the battery compartment with the door open Insert the new battery correctly and close the Battery Compart ment Door by reversing the opening procedure If the battery is inserted incorrectly the door will not fully close Do not force the door closed N The Power LED glows green when the battery is good and the transmitter is turned on The LED will glow yellow orange as the battery voltage drops and finally glows red when there are about 30 minutes of operation left when using an alkaline battery The LED then blinks red when there are only a few minutes of life left NOTE While a LiPolymer battery provides long operating time it will give little or no warning when depleted If you use a LiPolymer battery in the UM450 we recommend trying a fully charged battery in the unit noting the length of time that the battery will run the unit and in the future use somewhat less than that time to determine when the battery needs to be replaced A weak battery will sometimes light the Power LED to the good green indica tion immediately after being put in the unit but will quickly discharge to the point where the LED will go red or shut down just like a flashlight with dead batteries If the lamp fails to light the battery should b
5. CTROSONICS INC EXCEED THE PURCHASE PRICE OF ANY DEFECTIVE EQUIPMENT This warranty gives you specific legal rights You may have additional legal rights which vary from state to state LECTROSONICS a Made in the USA by a Bunch of Fanatics 581 Laser Road NE e Rio Rancho NM 87124 USA www lectrosonics com 505 892 4501 800 821 1121 fax 505 892 6243 sales lectrosonics com
6. Quick Start Guide Standard Belt Pack Transmitters UM400a UM450 LMa Serial Number Purchase Date AY LECTROSONICS LECTROSONICS Sa LMa TRANSMITTER HIGH Power LECTROSONICS wa uniss U S Patent 7 225 135 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 06 jun10 Controls and Functions UM400a UM450 LMa transmitter transmitters gi ee LECTROSONICS LECTROSONICS UM450 Input Jack MEY Input Jack Power LED AUDIO LEVEL Control Power ON OFF Modulation Switch LEDs AUDIO LEVEL Power LED 2 Control Modulation Power ON OFF LEDs Switch ANTENNA Antenna Jack Antenna FREQUENCY CIRCULATOR ISOLATOR 1 6M 100K Sliding Door 1 6M 100K Frequency Select Frequency Select Switches Switches Low Frequency Roll Off Control 2 LECTROSONICS INC Audio Input Jack Accommodates most lavaliere and dynamic microphones and line level signals Power ON OFF Switch Turns the transmitter on and off Power LED Indicates power status and battery strength Audio Level Control The front panel AUDIO LEVEL Control is used to adjust the incoming audio input level for proper modulation Modulation LEDs The two bicolor Modulation LEDs provide a visual indication of the input audio
7. de is 56 thus the lefthand switch on your transmitter should be set to 5 and the righthand switch to 6 Note Be sure to orient the transmitter so the nomenclature reads correctly not upside down Transmitter Frequency Select Switches If you are using a receiver with a frequency scan function find a clear fre quency with the receiver then set the transmitter to match With Lectrosonics 400 Series receivers a front panel LCD character display will indicate the correct transmitter switch settings as a two character alphanumeric hex code once a clear frequency has been located with the scan function 6 LECTROSONICS INC Battery Installation UM400a UM450 To open the battery compartment press outward on the cover door in the direction of the arrow as shown in the illustration Only firm sliding pressure is needed to open and close the battery door Swing the door open and take note of the polarity marked inside showing the location of the positive and negative terminals You can also see the large and small contact holes inside the battery compart ment with the door open Insert the battery correctly and close the cover by pressing the door closed and across reversing the opening procedure If the battery is inserted incorrectly the door will not close Do not force the door closed LMa To replace the battery push up on the Battery Compartment Door and rotate it clockwise Remove
8. e replaced www lectrosonics com LIMITED ONE YEAR WARRANTY The equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was purchased from an authorized dealer This warranty does not cover equipment which has been abused or damaged by careless handling or shipping This warranty does not apply to used or demonstrator equipment Should any defect develop Lectrosonics Inc will at our option repair or replace any defective parts without charge for either parts or labor If Lectrosonics Inc cannot correct the defect in your equipment it will be replaced at no charge with a similar new item Lectrosonics Inc will pay for the cost of returning your equipment to you This warranty applies only to items returned to Lectrosonics Inc or an authorized dealer shipping costs prepaid within one year from the date of purchase This Limited Warranty is governed by the laws of the State of New Mexico It states the entire liablility of Lectrosonics Inc and the entire remedy of the purchaser for any breach of warranty as outlined above NEITHER LECTROSONICS INC NOR ANYONE INVOLVED IN THE PRODUCTION OR DELIVERY OF THE EQUIPMENT SHALL BE LIABLE FOR ANY INDIRECT SPECIAL PUNITIVE CONSEQUENTIAL OR INCIDENTAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THIS EQUIPMENT EVEN IF LECTROSONICS INC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT SHALL THE LIABILITY OF LE
9. f the matching receiver which is done using the supplied screwdriver and a battery 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 1 Ensure the battery is good 2 Turn off the transmitter 3 With a small screwdriver included set the Frequency Select Switches to CC for Change Change 4 Power up the unit briefly just long enough for the LED s to light up and then turn it off about one second 5 Change the Frequency Select Switches to one of the following settings To set Lectrosonics 100 Series mode 1 1 To set Lectrosonics 200 Series mode 2 2 e To set Mode 3 3 3 e To set Lectrosonics Hybrid mode 4 4 e To set IFB mode 5 5 e To set Mode 6 6 6 contact the factory for details 6 Turn the unit on wait about one second and turn off again 7 Change the Frequency Select Switches to 0 0 8 Turn on the transmitter to complete the operation The LEDS will blink to indicate the selected compatibility mode Im mediately after power up all LEDS will blink together red then green followed by the audio level LEDs 20 and 10 blinking to indicate the mode The 20 and 10 LEDs will blink e Once for 100 Series mode e Two times for 200 Series mode e Three times for Mode 3 e Four times
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