Listen Technologies LA-140, Design Manual

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LA-140
LT-82
Design GuideDesign Guide
LR-42/44
LR-42/44 Operating Instructions
7B
The channel the unit is currently on is represented by the corresponding LED in the channel
indicator LEDs being lit (unless unit is in LED sleep mode). To check which channel the unit is on
without changing the current channel while the unit is in LED sleep mode, press either the PWR or
Select button once. This will turn the channel indicator LEDs back on for 10 seconds.
Checking Current Channel
8
Auto Shut-Off Feature
1
After 10 seconds if there is no headset plugged into the headset jack (LR-44 model only).
This allows for a quick battery status check without having to plug in a headset.
This function is also disabled while in Program Mode.
After 10 seconds
2
After 30 minutes if no signal is detected by the receiver (both models).
After 30 minutes
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9
Powering down the unit
To power down the unit press and hold the PWR button for 1.5 seconds. All of the LEDs will light up
momentarily and then turn off signaling power has been shut off.
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2 3
4
1
2 3
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2 3
4 1
2 2 2
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2 3
2 3
4
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