inform ETR EVO Series, Installation And Operating Manual

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ETR EVO UPS User Manual (Ver. 1.0) Page 41
UPS gives audible warning when AN alarm occurs.
Alarm sound can be disabled if requested.
UPS gives audible echo when keyboard is used. Key sound can be
disabled if requested.
You can adjust the brightness of the LCD screen.
When you touch the save icon key, a confirmation pop-up bar
will appear.
You should touch Yes to save the settings. Touch No to exit
without saving the changes.
You may choose communication options here.
If Modbus is chosen; you may also make Modbus
communication type adjustments.
There are 4 different relays and one alarm is assigned to each
relay.