In this criminal case defendant was convicted of Driving Under the Influence of Intoxicants, ORS 487.540, and Hit and Run (Unattended Vehicle). ORS 483.604. Both are Class A traffic infractions. Defendant had previously been convicted of Driving Under the Influence in December, 1977. After a jury had found defendant guilty of the principal charges, the trial court found the prior conviction to be constitutionally valid. It was then used to enhance the principal charges to Class A misdemeanors. ORS 484.365(1). Defendant appeals. We reverse and remand for resentencing.
In his first assignment of error, defendant claims that his prior conviction is invalid to enhance the present charges. The defendant testified at a hearing on this issue that he was not represented by counsel at the proceeding which resulted in his prior conviction. There was no tape or other recording of that proceeding, and the abstract of record has a blank space where the name of defendant’s attorney would normally have been entered. Therefore, there is no evidence whether or not the defendant was informed of his right to counsel and validly waived that right. On these facts, the defendant claims that the state has failed to show that the prior conviction was constitutionally obtained and, thus, the prior conviction cannot be used to enhance the present convictions.
The record in this case is virtually identical to that in
State v. Grenvik,
However, the Oregon Supreme Court overruled our opinion in
State v. Grenvik,
"There is no evidence of waiver of counsel. A valid waiver will not be presumed from a silent record. Burgett v. Texas, [398 US 109 , 114-115,86 S Ct 258 ,19 L Ed 2d 319 *746 (1967)]. It appears from this record that defendant was entitled to assistance of counsel, did not have it and did not waive it. Therefore, the abstract of record was not sufficient to prove a valid prior conviction.” (291 Or at 102 .)
Following Grenvik, this case must be reversed and remanded to the trial court for resentencing on the unenhanced charges. 1
Defendant’s second assignment of error is that the court erred in admitting evidence of certification of a breath testing machine made after that machine had been used to test the breath of the defendant. The challenged certification was made on February 14,1980. The machine was used to test defendant’s breath on February 5, 1980. The machine had previously been certified on December 20, 1979, less than 60 days before either the test date or the new certification date. Defendant argues that this evidence was not relevant and was prejudical to him in that it gave added weight to the breath test by creating the impression that the machine was functioning correctly during the entire period from December 20, 1979, through February 14, 1980.
ORS 487.815(3)(c) requires that breath testing equipment be tested and certified at least every sixty days. In
State v. Fogle,
Nothing that we said in Kaser suggested, however, that the state could not offer proof that the machine continued to function correctly at a later date. We merely held *747 that such proof was not required. Where such evidence is offered, we think it is admissible. It tends to remove legitimate doubts concerning the continued efficacy of the test machine. So viewed, it is both relevant and probative. It is also, as defendant argues, damaging to his case; it is no more so, however, than most other proper evidence which tends to show guilt. The trial court properly admitted the February 14 certification.
Reversed and remanded for resentencing.
Notes
We do not remand for a new trial because here, apparently unlike Grenvik, defendant’s prior conviction was not made known to the jury and, therefore, could not have prejudiced their deliberations on the principal charges.
