Lectrosonics SMa User Manual download pdf (Page 8)

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SMa Series

When the timer reaches zero, the transmitter’s controls

are locked.

The LCD will display the locked condition as long as the

arrow buttons are held, then revert back to the previous

screen when either button is released.

With the controls locked, the AUDIO and FREQ buttons

can still be used to display current settings. Any attempt

to change a setting by pressing either the Up or Down

arrow button will result in an on-screen “Loc” reminder

that the controls are locked. Remove the batteries to

unlock the control panel.

Important: Once the transmitter is locked, it

cannot be unlocked or powered off using the

buttons.The only ways to unlock a locked

transmitter are to remove the

battery or unlock it via the

RM remote control.

Remote Control

Operation

Remote Control Screens

SM Series transmitters may

be conﬁgured to respond to

signals from the RM remote control unit or to ignore

them. This setting is accessed by holding down the

Down arrow button while powering the transmitter on.

Use the arrow keys to toggle between “rc on” (remote

control on) and “rc oFF” (remote control off). The default

setting is “rc on.”

If a remote control signal is detected but the transmitter

is set to “rc oFF”, the message “rc oFF” will be dis-

played brieﬂy on the transmitter’s LCD, to conﬁrm that a

valid signal was received, but that the transmitter is not

conﬁgured to respond to it.

Functions available from the remote control are:

• Audio Level

• Frequency

• Lock/Unlock Buttons

• Sleep/Wake (power saving mode)

In sleep mode, the SM uses 20% of the normal amount

of current. For example, in sleep mode it will drain the

battery as much in ﬁve hours as it would do in one hour

of normal operation. Sleep mode can only be invoked

with the remote control, and can only be revoked with the

remote control or by removing the battery. When in sleep

mode, the PWR LED blinks green every few seconds to

indicate that the SM is asleep and not turned off.

Note: The RM is not included with SM Series

transmitters.

“Dweedle tones” can also be downloaded from the

web site at: www.lectrosonics.com. Go to the SM

Series transmitter page and follow the link.

Battery Installation

The SM transmitter is powered by a single standard AA

1.5 volt battery. We recommend using lithium batteries

for longest life. In the SM, lithium batteries provide over

4.5 hours of operation at room temperature.

Note: Standard zinc-carbon batteries marked

“heavy-duty” or “long-lasting” are not adequate.

The battery status circuitry is designed for the voltage

drop over the life of lithium batteries.

To install new batteries:

1. Turn the Battery Cover Plate Thumbscrew coun-

terclockwise, open the battery compartment and

remove any old batteries.

2. Insert the new battery (or batteries) into the hous-

ing. The positive (+) battery terminal goes into the

transmitter ﬁrst.

3. Replace the Battery Cover Plate and tighten the

Battery Cover Plate Thumbscrew.

Kevlar covered vent

Battery Battery

compartment cover plate

thumbscrew

LECTROSONICS, INC.

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Lectrosonics SMa User Manual Page 8

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