Lectrosonics UM500 - Manual (Page 8)

UM500
BATTERY INSTALLATION
Swing the
door open
Press outward on the
battery door in this
direction
less, and will run down quite abruptly. Alkaline batteries provide over 6 hours of operation. Lithium
batteries can be used to provide up to 13 hours. Care should be taken not to leave a fully
The transmitter is powered by a standard alkaline or lithium 9 Volt battery. It is important that you use ONLY an
ALKALINE or LITHIUM battery for longest life. Standard zinc-carbon batteries marked “heavy-duty” or “long­
lasting” are not adequate. Ni-cad rechargeable batteries will only provide 1.5 hours of operation, or
discharged lithium battery in the transmitter, as swelling
of the battery can make it difficult to remove from the
compartment. The battery status circuitry is designed for
the voltage drop over the life of alkaline batteries.
To open the battery compartment, press outward on the
cover door in the direction of the arrow as shown in the
drawing. 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 see the large and small contact holes inside the
battery compartment with the door open.
Insert the battery correctly and close the cover by
pressing the door closed and across, reversing the
opening procedure illustrated above. If the battery is
inserted incorrectly, the door will not close. Do not force
the door closed
OPERATING INSTRUCTIONS
SELECTING THE COMPATIBILITY MODE
All units are capable of working with Lectrosonics 110 series analog , 300 series analog, 500 series digital hybrid or
some other analog wireless receivers (contact the factory for details). The transmitter must be set to the operating
mode of the matching receiver, which is easily done using only the supplied screwdriver and a battery.
NOTE
The unit is supplied from the factory as a 500 series transmitter.
1) Ensure the battery is good.
2) Turn off the transmitter.
3) With a small screwdriver (one is included with your unit), 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.
5) Change the Frequency Select Switches to one of the following settings:
• To set Lectrosonics 110 Series mode: set switches to 1,1
• To set Lectrosonics 300 Series mode: set switches to 2,2
• To set mode 3: set switches to 3,3 (contact the factory for details)
• To set Lectro 500 Series mode: set switches to 4,4
• To set IFB mode: set switches to 5,5*
6) Turn the unit on, wait a couple of seconds 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. Immediately 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.
*Not available on earlier units.
LECTROSONICS, INC. 8