Alcad DMH-141 Manual De Usuario página 32

LCD Display – It presents the selected menu and the parameter settings. The backlight in
the display is on when the power is applied.
LED – These lights indicate the working status
Power: It lights on when the power supply is connected.
Alarm: It lights on when the there is error, such as the signal source loss.
Lock: It lights on when the signal source connected and goes off when the signal lose.
Left/Right/Up/Down buttons – Use these buttons to turn the screen pages, shift the target
items by moving the triangle, or change the parameter settings in the program mode.
Enter – Use this button to enter a submenu or save a new setting after adjustment; press it
to start adjusting the value of certain items when the corresponding underline flash with Up
and Down buttons;
Press it to activate the hidden selections and change the setting with Up and Down (or Left
and Right) buttons.
Menu – Press this button to step back
Lock – Locking the screen / cancelling the lock state, and entering the main menu after the
initialization of the device. After pressing lock key, the system will question the users to
save present setting or not. If not, the LCD will display the current configuration state.
When the power is connected, the LCD will start to initialize the program. The LCD menu
goes as below chart.
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