Epson S1D13503 Series Technical Manual page 144

EPSON
val &= 0x7f;
WriteRegister(1, val);
//
// Step 2: Disable LCDE (turn off LCD power supply).
// For the S5U13503P00C, set LCDE bit to 0.
//
val = ReadRegister(1);
val &= 0xef;
WriteRegister(1, val);
//
// Step 2: Wait for LCD power supply to drop to zero volts
// For the S5U13503P00C, wait about a half second.
//
Delay(500);
//
// Step 3: Enter Power Save Mode
//
val = ReadRegister(3);
val &= 0x3f;
val |= 0x80;
WriteRegister(3, val);
printf("Press any key to cancel power saving\n");
getch();
//
// The following are the steps to exit a power save mode.
//
//
// Step 1: Exit Power Save Mode
//
val = ReadRegister(3);
val &= 0x3f;
WriteRegister(3, val);
//
// Step 2: Enable LCDE (turn on LCD power supply).
// For the S5U13503P00C, set LCDE bit to 1.
//
val = ReadRegister(1);
val |= 0x10;
WriteRegister(1, val);
//
// Step 3: Turn on display.
//
val = ReadRegister(1);
val |= 0x80;
WriteRegister(1, val);
ShowMenu();
}
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// Set power saving mode 2
// Cancel power saving mode 2
S18A-G-002-02