(a) Effect of erroneous ruling. Error may not be predicated upon a ruling which
admits or excludes evidence unless a substantial right of the party is affected,
(1) Objection. In case the ruling is one admitting evidence, a timely objection
or motion to strike appears of record, stating the specific ground of objection,
if the specific ground was not apparent from the context; or
(2) Offer of proof. In case the ruling is one excluding evidence, the substance
of the evidence was made known to the court by offer or was apparent from the
context within which questions were asked.
(b) Record of offer and ruling. The court may add any other or further statement
which shows the character of the evidence, the form in which it was offered, the
objection made, and the ruling thereon. It may direct the making of an offer in
question and answer form.
(c) Hearing of jury. In jury cases, proceedings shall be conducted, to the extent
practicable, so as to prevent inadmissible evidence from being suggested to the
jury by any means, such as making statements or offers of proof or asking
questions in the hearing of the jury.
(d) Fundamental error. Nothing in this rule precludes taking notice of errors
affecting fundamental rights although they were not brought to the attention of