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1.2.1  

Information Pushbutton

Volume

Voltage

Resistance

LCD Contrast

Receiver Link

Frequency Menu

About

Pushbutton

Pushbutton

When the “i” (information) pushbutton is pressed, the display will show the volume level of the audio; use the “+” and “-” 

pushbuttons to increase/reduce the volume or turn the beeper off (off-low-medium-high).

Keep pressing the “i” (information) pushbutton, and the display can be toggled to show “voltage,” “resistance,” or other functions, 
as shown in the drawing above. The display indicates mA as the default and volts or ohms when selected.

NOTE:

The number of “i” button presses and available sub-menus will vary with the transmitter's mode.

1.2.2  

Connections Block

25-Watt Connection Block

1

2

4

FUSE

3

1

Output connection, speakON

®

 socket

2

Output protection (4A/250V Fuse)

3

Loudspeaker

4

Battery charging socket & DC input

All locating connections are made via the connection block. Firmware updates are made via a USB socket mounted inside the 
battery compartment.

The connection block consists of:

 

Output (speakON

®

) socket (25-Watt transmitter) – for the direct connection lead.

 

Charger socket (to charge rechargeable battery pack.

 

Transmitter 19V DC power lead is used to power the transmitter from AC/DC power supply.

 

Fuse, 4A/250V – this protects the transmitter circuitry in the event of the transmitter receiving up to 250V incoming voltage 
on the output leads, or higher than the allowed current.

 

A beeper is positioned behind the small hole.

2.  Transmitter Batteries – Li-ion and Alkaline

The 25-watt transmitter ships with a custom Li-ion battery tray with a charger and power cable. 
The battery status is shown on the transmitter's LCD. The letters “LP” will appear when the battery status reaches only one bar. 
At this battery level, the max output current and power are limited.

The LED on the charger will show a red light indicating that the charge cycle is in progress. When the batteries are fully charged,    
the LED will change to green.

Follow instructions detailed in the General Safety & Care Information section of this document. Dispose of batteries following 
your company’s practice and environmental standards, the prevailing laws, or recognized best practice. Always dispose of 
batteries responsibly.

Page 2

Summary of Contents for Loc3-25Tx

Page 1: ...Units mA volts ohms 5 Speaker level 6 Output step bar graph 7 Battery level or DC Input icon 8 Digital readout mA volts ohms Output Protect Warning The transmitter checks the line when connected Output protected against accidental momentary connection to up to 230V AC RMS it will display the high voltage warning icon and not allow the transmitter to operate In addition the transmitter is protected...

Page 2: ...Output speakON socket 25 Watt transmitter for the direct connection lead Charger socket to charge rechargeable battery pack Transmitter 19V DC power lead is used to power the transmitter from AC DC power supply Fuse 4A 250V this protects the transmitter circuitry in the event of the transmitter receiving up to 250V incoming voltage on the output leads or higher than the allowed current A beeper is...

Page 3: ...ed FUSE Internal Charger Socket Plug the charger into the charging socket on the side of the transmitter or directly into the battery tray NOTE The rechargeable tray cannot be charged from a 12V DC source WARNING Only use a charger supplied by Vivax Metrotech Corp Using non approved chargers may result in damage to the equipment or overheating explosion The battery condition charge is displayed on...

Page 4: ...splay FUSE Wherever a direct connection can be safely made without the risk of injury damage to the customer s plant or the transmitter it is the best way of applying the transmitter s signal The positioning of the ground connection can also influence the degree of coupling experienced Ground connections generally should not be made to other pipes or cables or above ground metallic structures such...

Page 5: ...n is needed FUSE WARNING When applying the clamp to cables that carry electricity be sure to follow your company s safety instructions and procedures Beware that if applied around a high voltage cable that cable may induce a current in the clamp causing it to snap shut or jump quite dramatically always apply clamps carefully 4 Transmitter Frequencies The Loc3 25Tx transmitters are supplied with a ...

Page 6: ...educe battery life All other settings remain the same as the last setting used 4 2 Most Used Frequencies Frequency Selection Feature This feature allows the operator to choose the most used frequencies from a list of frequencies Once these frequencies are selected in the main menu the user can scroll through them by pressing the f pushbutton The user can add or remove frequencies from the above li...

Page 7: ... to exit the Frequency Menu and return to the main display 6 A particular frequency in the chosen list of frequencies can be selected from the screen by pressing the f pushbutton until the wanted frequency is displayed at the top of the main screen Vivax Metrotech Corp Headquarters 3251 Olcott Street Santa Clara CA 95054 USA T Free 1 800 446 3392 Tel 1 408 734 1400 Fax 1 408 734 1415 Email SalesUS...

Page 8: ......

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