Buzzer Control (Pr. 990); Pu Contrast Adjustment (Pr. 991) - Mitsubishi F700 Series 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 or frequency setting.
 Set "10 or 11" in Pr. 161, then press
 When the setting dial and key operation are invalid,
operation is attempted while dial and key operation are invalid,
touched for 2s, monitor display appears. )
 To make the setting dial and key operation valid again, press
REMARKS
 Even if the setting dial and key operation are disabled, the monitor display

4.23.3 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/FR-PU07).
Parameter
Number
990 PU buzzer control
The above parameters can be set when Pr. 160 User group read selection = "0". (Refer to page 185.)
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.
REMARKS
Inverter alert faults with buzzer sounds when this parameter is set to activate the buzzer sound.

4.23.4 PU contrast adjustment (Pr. 991)

Contrast adjustment of the LCD of the parameter unit (FR-PU04/FR-PU07) 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/FR-PU07) is connected.
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.
When the operation panel is connected, they can be set only when Pr. 160 User group read selection = "0". (Refer to page 185.)
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. If dial or key
for 2s.
is valid.
Setting Range
0
1
1
Setting Range
58 0 to 63
appears (When dial or key is not
Description
Without buzzer sound
With buzzer sound
Description
0 : Light

63: Dark
4
313