Buzzer Control (Pr. 990); Pu Contrast Adjustment (Pr. 991) - Mitsubishi Electric FR-F740-00023-EC Instruction Manual

(2) Disable the setting dial and key operation of the operation panel (Press [MODE] long (2s))
⋅ Operation using the setting dial and key of the operation panel can be made invalid to prevent parameter change
and unexpected start and stop.
⋅ Set "10 or 11" in Pr. 161, then press
⋅ When the setting dial and key operation is made invalid,
setting dial and key operation is invalid,
the setting dial or key operation is not performed for 2s, the monitor display appears.)
⋅ To make the setting dial and key operation valid again, press
REMARKS
⋅ If the setting dial and key operation are disabled, the monitor display

3.21.3 Buzzer control (Pr. 990)

You can make the buzzer "beep" when you press key of the operation panel (FR-DU07) and parameter unit (FR-
PU04).
Parameter
Number
990 PU buzzer control
The above parameters can be set when Pr. 160 User group read selection = "0". (Refer to page 146.)
The above parameters allow its setting to be changed during operation in any operation mode even if "0" (initial value) is set in Pr. 77 Parameter write
selection.

3.21.4 PU contrast adjustment (Pr. 991)

Contrast adjustment of the LCD of the parameter unit (FR-PU04) can be performed.
Decreasing the setting value makes contrast light.
Parameter
Number
991 PU contrast adjustment
The above parameters are displayed as simple mode parameters only when the parameter unit (FR-PU04) is connected. When the
operation panel is connected, they can be set only when Pr. 160 User group read selection = "0". (Refer to page 146.)
for 2s to make the setting dial and key operation invalid.
Name Initial Value
Name Initial Value
Setting from the parameter unit, operation panel
appears on the operation panel. When the
appears if the setting dial or key operation is performed. (When
for 2s.
is valid.
Setting Range
0
1
1
Setting Range
58 0 to 63
Description
Without buzzer
With buzzer
Description
0 : Light
↓
63: Dark
Pr.899
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