Duty Officers have access to a wide range of on-line resources and are provided with guidance on a the main types of issues that may be encountered out of hours.
Mae gan Swyddogion ar Ddyletswydd fynediad at ystod eang o adnoddau ar-lein ac maent yn cael arweiniad ar y prif fathau o faterion y gellir dod ar eu traws y tu allan i'r oriau arferol.