HDC-9100 SERVICE MANUAL 19
Stereo Test
Polar
Phoria and aniseikonia test
Polar
Phoria Test
Polar
⑥
Buttons for Program
Button
Function
◀
Executes the previous step of executing program
▶
Executes the next step of executing program
P1
▪ Executes the first step of the program PGM 1
▪ Pressing the button 3 times in a row executes programming PGM1
P2
▪ Executes the first step of the program PGM 2
▪ Pressing the button 3 times in a row executes programming PGM2
⑦
Button for Adjusting the Contrast Sensitivity
This button adjusts the contrast sensitivity of visual acuity charts. By the button press, the contrast is leveled down step by
step. The total number of adjustable contrast and the default level are set in the menu.
⑧
Button for Menu Mode
This button executes the menu mode. Refer to the section 8.2 for detailed information.
⑨
Buttons for Chart Mask Operation
Button
Function
▪ Isolates the letter in the 1
st
column of the 1
st
row.
▪ In the menu mode, selects menu item or execute it.
▪ Isolate the mid row.
▪ In the menu mode, cancels executed menu item or exits the menu mode.
