Operating Instructions; Power Up And Boot Sequence; Power Down; Standby Mode - Lectrosonics HMA-941 Series Instruction Manual

HMa-941

Operating Instructions

Power Up and Boot Sequence

1) Ensure that good batteries are installed in the unit.
2) Simultaneously press and hold the AUDIO and
FREQ buttons until the power on boot sequence is
initiated.
turned on. During this turn on sequence, the
modulation and power LEDs all glow red, then
green, and then revert to normal operation. If the
buttons are released before the count is complete,
the unit will boot up into the standby mode (see
below).
The LCD displays the following information during
the boot sequence:
Company Name:
Frequency Block and
Firmware Version (rX.X):
Compatibility Mode:
When the boot sequence is complete, the display will
switch to the frequency currently set.

Power Down

Initial Power Off
Timer Screen
1) Simultaneously press and hold the AUDIO and
FREQ buttons while 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 Screen
In this mode the RF output is turned off so all setup
adjustments can be made without interfering with other
systems operating in the same location. The screen
displays "rf OFF" to remind the user that the unit is not
transmitting.
While the unit is in the standby mode, access the setup
screens using the AUDIO and FREQ buttons and make
adjustments using the UP and DOWN arrows.
8
The count will progress from 1
through 3 and the unit will then
power up with the RF output
LECtro
941r1.1 (typical)
CP nHb (typical)
With the power turned off,
pressing the AUDIO and
FREQ buttons briefly places
the unit in Standby Mode.

Menus

Setup is accomplished using menus and setup screens
accessed by holding the UP and DOWN arrow buttons
at turn on, and by pressing the AUDIO and FREQ but-
tons when the unit is turned on.

Hold UP arrow at turn on.

Hold the UP arrow button in while pressing both AUDIO
and FREQ buttons to access the setup screens below.
It's easier if you lay the unit on a flat surface and use
two hands to press all three buttons at the same time.
After the first screen loads, press the AUDIO button
repeatedly to switch between the settings. Press the UP
and DOWN arrow buttons for the desired selection.
After the settings are made, press both AUDIO and
FREQ buttons together to exit and turn the power off.
CP (compatibility modes)
Allows the transmitter to be used with 941 Series re-
ceivers or IFB systems in the 941 MHz band.
nHb
Digital hybrid mode
IFb Lectrosonics IFB systems
Pr (power output)
Can be set at 250 for extended range or at 50 for longer
battery life.
50 50 mW output and longer battery life
when maximum range is not neces-
sary
100 100 mW for slightly increased range
NOTE: See battery life table in the specifications
AP (audio polarity)
The polarity of the audio input (sometimes referred to
as "phase") can be reversed for compatibility with other
microphones.
P
Denotes positive polarity
n Denotes negative polarity
StP (Frequency step size)
Sets the increments of frequency adjustment.
100 100 kHz steps
25 25 kHz steps
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