To set deposit limits you will need to be on the desktop version of the site. (To reach the desktop site from a mobile device tap More, then Go to Desktop.) Click Account, then Deposit to reach the full deposit page.
From here click on Payment Management.
Click on TVG BetCash or Credit/Debit Card, whichever you wish to set limits on, then Edit to the right of the limit you would like to edit.
Type in the amount you would like to set the limit to and click Save.
You will then receive a success message showing what the limit has been changed to and when the change will take effect. Please note, decreases will go into effect immediately while increases do not take effect for one week. 
You cannot increase your limits above limits set by TVG. If you would like to increase these limits please send us an email at Support@TVG.com