
Digital OverVoltage Relay (GDR-C01) User's Manual V1.00
22 / 47
Kyongbo Electronics Co., Ltd.
6.
Display & Setting Modes
6.1 Key Operation and LCD Construction
6.1.1
LCD Initial Display Status, Backlight On/Off
After the power is ON, the follow default screen is displayed.
G D R -
C 0 1
V 1
.
0
S y
s
t
e m
O K !
If there is a fault in the equipment, System Error! is displayed instead of System
OK!
The LCD Backlight is turned Off automatically after 3 minutes has passed without
Key operation.
6.1.2
LCD Screen Display and the Principles of Key Operation
The information Displayed on LCD Screen is made of a Tree structure, and you
can find and select the information in the Tree structure using Left(
), Right(
), Up(
), Down(
) Keys.
The category that the cursor( * ) is pointing indicates the current selected category, and
pressing
Key will Display detail categories. To exit the current category, press
.
6.1.3
One-button Display
You can view the measured values, setting values, and diagnosis status sequentially
on LCD Screen by pressing Reset (
) Key repeatedly. This enables viewing
without opening the transparent cover on the front part of the Relay.
When Operating Indicator is turned on as the Relay element is operational, it
operates as Indicator Reset.
6.1.4
Menu-Tree
【
Figure 6.1
】
Menu Tree summarized the menu structure that can be Displayed
on the Relay.