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selected in the time synchronisation setting, the calendar clock of each relay is synchronised with
the RSM clock. If the RSM clock is synchronised with the external time standard, then all the relay
clocks are synchronised with the external time standard.
4.8 Special Mode
The GRE110 shifts to the following special mode by specific key operation.
• LCD contrast adjustment mode
• Light check mode
LCD contrast adjustment mode
When the LCD is not displayed or not displayed clearly, the contrast adjustment of LCD might not
been appropriate. To adjust the contrast of LCD screen on the any screen, do the following:
• Press ▼ and ▲ ,at same time for 3 seconds or more to shift to LCD contrast adjustment mode.
• Press the
LCD and LED check mode
To check the LCD and LED check , do the following.
• Press
key for 3 seconds or more when LCD is off.
• While pressing
Colors of configurable LEDs (LED1-6) are user setting color.
• Release
key , to finish the LCD and LED check mode.
L C D
C o
■ ■ ■ ■
or
key to adjust the contrast.
key all LEDs are lit and white dots appear on the whole LCD screen.
152
n t
r
a s
t
6 F 2 T 0 1 7 2
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