Replacing The Data-Back Battery - Rollei Prego 90 AF Gebrauchsanleitung

Replacing the data-back battery

When the display of the data-back LCD becomes weak,
replace the battery housed inside the data back. (There
should be no film in the camera when you open the
back.)
1. Unscrew and remove the battery-chamber cover as
illustrated. (Fig. 9)
2. Exchange the exhausted battery for a fresh type
JS CR2025 3V lithium cell, inserting it with its positive
side (+) up.
3. Replace and secure the battery-chamber cover.
4. Reset the date and hour.
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Notes
• Battery life is approx. 3 years.
• The data back is designed for use at temperatures
between 50°C and -10°C (120°F and 15°F). At
temperatures outside this range, the data may be
difficult to read.
• The data back (model with data-back only) is fitted
with an automatic calendar programmed till the year
2019. Once set, the calendar automatically adjusts for
long and short months as well as leap years.
• The date may be difficult to read in the picture against
a bright or fussy background.