Listen Technologies LA-140, Руководство по конструкции

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101
LA-140
LT-82
Design Guide Design Guide
LR-42/44
LR-42/44 Locking Instructions
The unit can be electronically locked on one channel so that it will not change channel even if the Select button is
pressed. It is recommended to lock the receivers on the channel that is being used in systems that do not require the user
to change channels (single channel systems).
The unit can be electronically locked on the channel it is currently on using the following process.
Channel Lock Procedure
The procedure for unlocking the unit is the same as locking the unit.
Channel Unlock Procedure
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to be able to change the channel.
Lock Indicators
Locking the Receiver on One Channel
1 Select the channel that you want to lock the unit on.
2
Once in LED sleep mode, press and hold both the Select and Power buttons for three seconds.
3
Wait until the unit enters LED sleep mode. LED sleep mode begins when the unit extinguishes
the channel indicator LED which will happen 10 seconds after the last button is pressed.
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and Select buttons.
4