Lectrosonics SMDa User Manual download pdf (Page 9)

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Super-Minature Belt Pack Transmitters

Operating Instructions

Power Up and Boot Sequence

1) Ensure that good batteries are installed in the unit.

(See Battery Installation.)

2) Simultaneously press and hold the AUDIO and

FREQ buttons until the Power On Boot Sequence is

initiated. (See Power On Timer.) As the unit turns

on, the Modulation LEDs and PWR LED all glow red,

then green, and then they revert to normal opera-

tion, i.e., the Modulation LEDs glow according to the

audio level present at the Audio Input Jack and the

PWR LED glows green (with good batteries).

Modulation

LEDs

UP Arrow

DOWN Arrow

PWR LED

AUDIO

FREQ

Button

The LCD displays a bootup sequence which

consists of four screens:

Company Name: Lectro

Frequency Block (bXX) and

Firmware Version (rX.X): b21r1.1 (typical)

Compatibility Mode: CP Hbr (typical)

Audio: Aud 22 (typical)

Power Down

1) Simultaneously press

and hold the AUDIO

Initial Power Off

and FREQ buttons while

Timer Screen

observing that the word

“Off” appears in the LCD along with a counter.

2) When the counter reaches “0”, the unit turns off.

Note: If the AUDIO and FREQ buttons are

released before the LCD goes blank at the end of

the countdown, the unit will not turn off. Instead, it

will stay energized and the display will return to the

previous screen.

Standby Mode

Standby Mode allows the user to verify or change the

transmitter’s operating frequency or audio input level

without transmitting any signals. Standby Mode can

only be invoked from a power off condition.

Quickly press and release both the AUDIO and FREQ

buttons simultaneously to enter and exit this mode.

Selecting the Compatibility Mode

All Digital Hybrid receivers are

capable of working with the

Lectrosonics SMDa trans-

mitters. By selecting the

proper compatibility mode, the SMDa will also work with

IFB analog receivers. Setting the Compatibility Mode of

the transmitter to match the receiver is easily done via

the Control Panel.

Note: RF transmission is prevented while selecting

Compatibility Modes. Also, the transmitter exits the

Compatibility Mode screen to the Standby Mode.

(See Standby Mode section)

Note: The unit comes from the factory with the

Digital Hybrid mode selected.

1) Set the receiver’s audio controls to minimum.

2) Power up the SM and observe the Boot Sequence.

If the Compatibility Mode for the SM does not match

the corresponding receiver, then power off the SM

transmitter.

3) From a power off condition, hold down the Up

arrow, then simultaneously press the AUDIO and

FREQ buttons.

4) The LCD will display the current Compatibility

Mode. Use the Up or Down arrow buttons to set

the Compatibility Mode to match the corresponding

receiver.

The following Compatibility Modes are available:

• 400 Series mode: CP Hbr

• IFB Series mode: CP IFb

5) The Compatibility Mode selected in Step 4 will be

the current Compatibility Mode until reset using this

procedure. Pressing the AUDIO or FREQ exits into

Standby Mode. To power off from the compatibility

mode screen, press AUDIO and FREQ together.

Rio Rancho, NM

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Lectrosonics SMDa User Manual Page 9

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