Mitsubishi Electric MSH-GE50VB-E1 Service Manual page 19

When ECONO COOL button is pressed in COOL mode, set temperature is automatically set 2 C higher.
Also the horizontal vane swings in various cycles.
SWING operation makes you feel cooler than set temperature. So, even though the set temperature is higher, the air
conditioner can keep comfort. As a result, energy can be saved.
To cancel this operation, select a different mode or press one of the following buttons in ECONO COOL operation:
ECONO COOL, VANE CONTROL, VANE or LONG button.
<MS-GE50 / MSH-GE50>
To cancel this operation, press one of the following buttons:
ECONO COOL button in COOL mode, VANE or LONG button.
<MS-GE50 / MSH-GE50>
To confirm the standard position, the vane moves until it touches the vane stopper. Then the vane is set to the desired angle.
OBH529A
in the following case:
19
<MSH>