A display device, comprising: a light source; a scanning mirror system configured to scan light from the light source in a first direction at a first, higher scan rate, and in a second direction at a second, lower scan rate; a controller comprising a drive circuit configured to control the scanning mirror system to display video image data by providing a control signal to the scanning mirror system to control scanning in the first and second directions, and for each video image data frame of at least a subset of video image data frames, combining the control signal with an adjustment signal to adjust the scanning in the second direction, the display device being characterized in that the controller comprises an adjustment signal circuit comprising: a low-pass filter having a cut-off frequency based on a lowest resonant frequency of the scanning mirror system in the second direction and adapted to output the adjustment signal, and a summing block adapted to sum the control signal and the adjustment signal; wherein the display device is adapted to provide a step signal to the low-pass filter and to apply the adjustment signal to the second direction of the scanning mirror system during a non-active portion of the scan thereby shifting the position vertically and/or trajectory of the mirror by a suitable amount for the scan of the next frame to start at a correct location. a light source; a scanning mirror system configured to scan light from the light source in a first direction at a first, higher scan rate, and in a second direction at a second, lower scan rate; a controller comprising a drive circuit configured to control the scanning mirror system to display video image data by providing a control signal to the scanning mirror system to control scanning in the first and second directions, and for each video image data frame of at least a subset of video image data frames, combining the control signal with an adjustment signal to adjust the scanning in the second direction, the display device being characterized in that the controller comprises an adjustment signal circuit comprising: a low-pass filter having a cut-off frequency based on a lowest resonant frequency of the scanning mirror system in the second direction and adapted to output the adjustment signal, and a summing block adapted to sum the control signal and the adjustment signal; wherein the display device is adapted to provide a step signal to the low-pass filter and to apply the adjustment signal to the second direction of the scanning mirror system during a non-active portion of the scan thereby shifting the position vertically and/or trajectory of the mirror by a suitable amount for the scan of the next frame to start at a correct location. providing a control signal to the scanning mirror system to control scanning in the first and second directions, and for each video image data frame of at least a subset of video image data frames, combining the control signal with an adjustment signal to adjust the scanning in the second direction, the display device being characterized in that the controller comprises an adjustment signal circuit comprising: a low-pass filter having a cut-off frequency based on a lowest resonant frequency of the scanning mirror system in the second direction and adapted to output the adjustment signal, and a summing block adapted to sum the control signal and the adjustment signal; wherein the display device is adapted to provide a step signal to the low-pass filter and to apply the adjustment signal to the second direction of the scanning mirror system during a non-active portion of the scan thereby shifting the position vertically and/or trajectory of the mirror by a suitable amount for the scan of the next frame to start at a correct location. a low-pass filter having a cut-off frequency based on a lowest resonant frequency of the scanning mirror system in the second direction and adapted to output the adjustment signal, and a summing block adapted to sum the control signal and the adjustment signal; wherein the display device is adapted to provide a step signal to the low-pass filter and to apply the adjustment signal to the second direction of the scanning mirror system during a non-active portion of the scan thereby shifting the position vertically and/or trajectory of the mirror by a suitable amount for the scan of the next frame to start at a correct location.