Pentax Optio E30 Operating Manual page 24

• In general, battery performance may temporarily deteriorate as
the temperature decreases. Be sure to take spare batteries when
using the camera in a cold region and keep the batteries warm by
placing them in your pocket or inside your coat. Battery
1
performance that has deteriorated due to cold temperature will
return to normal performance when the batteries reach room
temperature.
• Due to their characteristics, AA alkaline batteries may not allow
the camera to make full use of its capabilities, and therefore they
are not recommended except for emergency use.
• Due to their characteristics, AA alkaline batteries and nickel
manganese batteries may not allow the camera to make full use
of its capabilities when used at cold temperatures. Use of AA
lithium batteries is recommended when the camera is used at cold
temperatures.
• Be sure to take spare batteries with you when traveling abroad or
to a cold region, or if you intend to take a lot of pictures.
• Battery Level Indicator
You can check the battery level by the w indicator on the LCD monitor.
Screen Display
(green)
w
(green)
x
(yellow)
y
(red)
z
[Battery depleted]
Due to the characteristics of AA nickel manganese batteries, the
battery level may not be displayed correctly when using these
batteries. # may be displayed for the battery level even if the
batteries are running low. The camera may also turn off without
warning even if # is displayed.
22
Battery Status
Adequate power remains.
Batteries are running low.
Batteries are running very low.
Batteries are exhausted.
The camera will turn off after this message appears.