E-880-2N-E
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EL4001
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6.1.4 Front Panel Keypad
The eight front panel key switches consist of two kinds of keys - functions keys and shift keys.
・
Function keys: Four round keys
Mainly used for function selection, such as activating the input conditions selected and
reconfiguration.
・
Shift keys: Four triangular keys
Used for moving the cursor, moving between menu items, or changing numerical values.
Fig. . Front Panel Keys
Function Keys
Shift Keys
Fig. .2 Touch Key Operation
6.1.3 Error Messages
When an erratic condition arises, an error message automatically appears on the display.
(The information represented by error messages are listed on page .)
If two or more concurrent errors are involved, individual messages will be scrolled at intervals of
approximately seconds. When an error condition disappears, an error message automatically goes out
and the normal display is resumed.
NOTE: An error logging function can store a maximum of 20 events each of which consists of year,
month, day, hour and minutes of error occurrence and recovery. (Complete details are
covered in the Key Operation Manual.)
