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1-4. CHECKING THE LLC-2000MH SYSTEM 1. Preparation
(1) Turn on the power switch on the LLC-2000MH control unit. The LED above the power switch is lit. (2) Pull up the cover of the LLC-2000MH operation unit (hereafter to be referred to �OPU�), and press the
LL
button. The LED lights up.
(3) Check that the MO disk unit is turned on.
2. Loading a program from the MO disk
(1) Set the sample MO disk supplied with the LLC-2000MH system to writable status. Then, insert the disk into the MO disk unit. (2) Press the
DISK
button and then the
MEMORY
button on the LLC-2000MH OPU. Leave the LLC-
2000MH OPU as it is until both the LEDs of the buttons go out.
3. Checking the program
(1) Press the button on the LLC-2000MH OPU. The LED is lit.
(2) Put on the headset for the teacher, and check that you can hear the sound from the headset. (3) Check that you can hear the sound from the loudspeaker of the LLC-2000MH OPU.
ALL CALL
(4) Press the
button on the LLC-2000MH OPU, and check that you can hear the sound from the
loudspeaker in the room. (5) Press the button on the LLC-2000MH OPU. The LED is lit. Check that the LED of the button goes out.
4. Loading the sound data from the AUX input
(1) Press the
AUX+MIC
button and then the
MEMORY
button on the LLC-2000MH OPU. The LEDs are lit.
(2) Speak loud to the microphone of the headset for the teacher, and check that the AUDIO LEVEL changes. (3) Press the
AUX+MIC
button on the LLC-2000MH OPU. Check that both the LEDs of the
AUX+MIC
button and
the
MEMORY
button go out. Check also that the AUDIO LEVEL does not change when you speak loud
