Pentax Optio T20 Operating Manual page 150

Troubleshooting
Problem
Picture is too dark
Picture is too light
Image or sound file
cannot be deleted
Cannot play back
image or sound file
in built-in memory
Functions return to
their original
settings when
camera is turned off
Wrong date is
displayed on
7
images and/or
sound files
USB connection to
computer does not
work properly
USB connection to
printer does not
work properly
Camera images are
not displayed on TV
148
Cause
Flash mode is set to a
(Flash Off)
Subject is beyond the
flash range
Camera is unable to
correctly adjust exposure
Subject is backlit
Flash discharged
Camera is unable to
correctly adjust exposure
SD Memory Card is write-
protected
Image or sound file is
protected
SD Memory Card is
inserted
Memory is set to Off
Date and time are not set
Camera was stored with
exhausted battery
USB connection mode is
set to B (PictBridge)
USB connection mode is
set to A (PC)
Improper cable
connections, no power,
incorrect TV format
chosen
Solution
Set to , (Auto) or b (Flash On) (p.56).
Take picture within range of flash
(p.56).
Adjust EV setting toward q (p.53).
Use spot AE metering on the subject to
obtain proper exposure (p.55).
Set the flash mode to a (Flash Off) to
turn off the flash, or set it to b (Soft) to
lower the intensity of the flash (p.56).
Adjust EV setting toward p (p.53).
Unlock the SD Memory Card write-
protection switch (p.19).
Cancel the protection setting of the
image or sound file (p.92).
Remove the SD Memory Card (p.18).
Set Memory to On, to save the settings
of your functions when the camera is
turned off (p.38).
Set the date and time. The date and
time are not set at the time of purchase
(p.21).
The date and time settings are
canceled when the camera is stored for
approximately one day with an
exhausted battery. Reset the date and
time (p.123).
Change the USB connection mode to
A (PC) (p.132).
Change the USB connection mode to
B (PictBridge) (p.132).
Make sure video cable is connected to
proper input on TV, that both camera
and TV are turned on, and that the
correct video format is selected (p.87).