If the characters on the fluorescent display (VFD type - obsolete since 2015) are dim,
please, see Section 5.1 Display Brightness Control (not operative in units furnished with
OLED display).
The control of the amplifier is accessible during OFF LINE and ON LINE states, each having several
information screens and control functions (see Figure 3-2 Information screens and control functions structure):
Figure 3-2 Information screens and control functions structure
Figure 3-2 Information screens and control functions structure
The OPER button alternatively switches OPERATE and STANDBY modes while ON LINE (see Section
4.2 Changing OPERATE and STANDBY Modes). Please, note that AUTO-OPERATE might be enabled (see Section
5.2 Auto-Operate Enabling and Disabling). The OPER button activates signature list while OFF LINE (see
Section 5.4 Reading Auto-protection Signatures).
The PREV and NEXT buttons change information screens or select control functions for both OFF LINE and
ON LINE states (see Section 4.6 ON LINE Information Screens and Control Functions).
The POWER button alternatively switches OFF LINE and ON LINE states of the amplifier.