ITech IT7900 Series User Manual

System-Related Functions
Copyright ©ITECH Electronic Co., Ltd. 44
5.1.1 Menu function
Set the keyboard sound
This item can set the key sound state. If in ON mode, then when you press a
button, the power supply will beep. If in OFF mode, the beeper will not make a
sound. The default set is in ON mode.
Set the screen brightness
This item can set the screen brightness. Set the screen brightness within the
range 1 to 100 by pressing number keys on the front panel. The larger the
number is, the higher the screen brightness is. You can also set the screen
brightness by rotating the knob on the front panel.
Restored to Factory Setting
This menu item is used to restore some parameter settings to factory setting
values.
The procedures to set the menu item are as follows.
1. Select the General under system menu.
2. Press Enter in Factory_default_settings. After the parameter settings are
complete and return to main interface.
Set the Power-on State
This parameter determines the state of the AC source after power up.
The procedures to set the menu item are as follows.
1. Press the General under the system menu.
2. Press the Up/Down key or turn the knob to select the Power-on setup and
press [Enter].
z Reset: Default value, indicates when the instrument is powered on, the
instrument will initialize some parameter settings or state.
z Last: Indicates when powered on, the instrument will remain the same
parameter settings and output status as last time you powered off the
instrument.
z Last+Off: Indicates when powered on, the instrument will remain the same
settings as last time you powered off the instrument, but the output status
is Off.
Lock the Touch Screen
This parameter determines the state of the touch screen.
1. Press the General under the system menu.
2. Press the Up/Down key or turn the knob to select the Touch screen lock and
press [Enter].
z On: enable the touch screen
z Off: disable the touch screen
Set the Loop Speed
This item can control stability of the loop. When the connected load is capacitive

ITech IT7900 Series Specifications

General

Brand	ITech
Model	IT7900 Series
Category	Power Supply
Language	English