Gamatronic Electronic Industries Ltd.
User Guide: MEGA V2 SA25, Release 1.5
42
8.2
Setting screen contrast
The screen contrast function controls the visibity of the message text against the screen
background. The default setting of 144 is usually satisfactory, but you can modify the default
setting between the values of 0 and about 210, if needed.
To m
odify the console contrast:
1.
From the main screen, press the
Ent
button to display the
main menu
.
2.
From the main menu, select
ADVANCED OPTIONS
and press
Ent
.
3.
From the ADVANCED menu select
SCREEN CONTRAST
and press
Ent
.
The following screen is displayed.
4.
Press the UP button repeatedly to make the screen “greener”. Press the DOWN button
repeatedly to make the screen darker (blacker).
8.3
Changing the nominal output voltage
Do not change the output voltage unless you are sure that this is required by your load devices
and you are sure that the new output voltage will not damage the load devices.
To change the nominal output voltage:
1.
If the
P
OWER
+
SA
is not already in “off” mode, press the
ON/OFF
button twice to turn
the UPS
off
.
2.
From the main screen, press the
Ent
button to display the
main menu
.
3.
On the main menu, choose
ADVANCED OPTIONS
and press
Ent
.
4.
In the ADVANCED MENU, select
TECHNICIAN MENU
.
5.
In the TECHNICIAN MENU select
CHANGE VOLTAGE
.
6.
You are prompted to choose the type of voltage to change.
Select
OUTPUT VOLTAGE
.
7.
You are prompted to choose a change to the nominal value or an adjustment (fine-
tuning). Choose
NOMINAL VALUE
.
