Huawei eSpace 7820 Quick Start Manual page 7

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Using the eSpace 7820
eSpace 7820 Keys and Indicators
eSpace 7820 keys and indicators are described as follows:
Key and Indicator
Power Indication LED
Line Key
Description
This indicator indicates the power supply status.
When eSpace 7820 is powered on, the indicator is on.

When eSpace 7820 is powered off, the indicator is

off.
When eSpace 7820 has an incoming call or when it is

muted during a call, the indicator blinks.
Line keys indicate the status of the three accounts. You
can set line keys to Direct Station Selection (DSS) keys
for other use.
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