C34S-X4 cannot focus on 1x (blur)

My camera is C34S-X4 that can be adjust focusing 1x to 4x.

but has problem only 1x cannot be focus anytime (2x 3x 4x is normal)

How can I setting or fix parameter of lens?

Dear customer ,
Thank you for your feedback!
When you set camera 1x, please click "+" or "-" to make it clear.
You can mail to me support@vstarcam.com to get a help .

hbadmin replied at 2020-11-6 11:09
Dear customer ,
Thank you for your feedback!
When you set camera 1x, please click "+" or "-" to mak ...

Thank you for your support, it’s my first time with C34S and never know icons “+” “-“ meaning haha and now already ok.

Starbugzz replied at 2020-11-6 23:39
Thank you for your support, it’s my first time with C34S and never know icons “+” “-“ meaning ...

Dear customer
Thank you for your kind feedback!
Glad to hear that you solved the problem.
Any problem, please feel free to contact us! Thanks!
Have a nice day!