Buzzer Control (Pr. 990); Pu Contrast Adjustment (Pr. 991) - Mitsubishi Electric FR-D720-0.1K Instruction Manual

Setting the parameter unit and operation panel

4.22.5 Buzzer control (Pr. 990)

You can make the buzzer "beep" when you press the key of the parameter unit (FR-PU04/FR-PU07).
Parameter
Number
990 PU buzzer control
The above parameter can be set when Pr. 160 Extended function display selection = "0". (Refer to page 163)
The above parameter allows its setting to be changed during operation in any operation mode even if "0" (initial value) is set in Pr. 77 Parameter write
selection.
REMARKS
Inverter alert faults with beep sounds when this parameter is set to activate the buzzer.

4.22.6 PU contrast adjustment (Pr. 991)

Contrast adjustment of the LCD of the parameter unit (
Decreasing the setting value makes the contrast lighter.
Parameter
Number
991 PU contrast adjustment
The above parameter is displayed as simple mode parameter only when the parameter unit FR-PU04/FR-PU07 is connected.
The above parameter allows its setting to be changed during operation in any operation mode even if "0" (initial value) is set in Pr. 77 Parameter write
selection.
240
Name Initial Value
Name Initial Value
Setting Range
0
1
1
FR-PU04/
FR-PU07) can be performed.
Setting Range
58 0 to 63
Description
Without buzzer
With buzzer
Description
0: Light
↓
63: Dark