changing ACC sensitivity MPU60X0 library

hello there.

i have, use IMUduino embeded mpu6050 chip.
so i use <MPU60X0.h> file.

its default sensitivity value is 2G,
i'd like to use 8G of Accelerometer value.
what i have to insert or change arduino code ?

if there are some tips or references, please let me know.
im new. please

here is part of MPU60X0 hearder file

#define MPU60X0_ACCEL_FS_2 0x00
#define MPU60X0_ACCEL_FS_4 0x01
#define MPU60X0_ACCEL_FS_8 0x02
#define MPU60X0_ACCEL_FS_16 0x03

MPU60X0.h (36.1 KB)