12
Rev.2.10
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E1 CNT, E2 CNT function
These functions are available when the K-STD14 microphone is used. When E1 or E2 is controlled with the microphone,
control signals are provided from the E1 CNT or E2 CNT terminal of this unit. Selection between E1 and E2 is made at the
microphone side.
E1: Default setting is Open
Press the button [REC] on the Teacher microphone to select the closed state of 300 ms.
E2: Default setting is Open
Press both side [E2] buttons simultaneously on the Teacher Microphone for 2 seconds or more or press the alert button to
select the close state.
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E2 ACK function
When “make signal” inputs are provided to E2 ACK of the control terminals during E2 operation, the MIC1 or MIC2 LED
indicator of this unit turn from red to green to indicate that the E2 ACK signal is received.
When the E2 control input has not been provided from the microphone for 3 minutes after turning off the power of the
microphone, the E2 state ends, the MIC1 or MIC2 LED indicator indicates the receiving state, and the operation LED turns
from red to green to indicate the operating state.
