Nikon D40X - Manual (Page 90)

78 Menu Guide/Custom Settings
14: Built-in Flash (P, S, A, and M Modes Only)
Choose a flash control mode for the built-in flash or the optional
SB-400 Speedlight.
TTL (default): Flash output is adjusted automatically in response to
shooting conditions.
Manual : The flash fires at the level selected in the menu shown at
right. At full power, the built-in flash has a Guide Number of 13/43
(ISO 100, m/ft., 20°C
/68 °F).
A icon flashes in the viewfinder and shooting information dis-
play when Manual is selected.
The Optional SB-400 Speedlight
When an optional SB-400 Speedlight is attached, Custom Setting 14 is
used to choose the flash control mode for the SB-400 and the name
changes to Optional Speedlight.
15: Auto off Timers
Choose how long the monitor and exposure meters ( 14)
remain on when no operations are performed. Choose a shorter
auto off delay for longer battery life.
Note that the shooting information display turns off automatically when the exposure meters
turn off. When a remote control is used ( 33), the monitor and exposure meters remain on
for the length of time selected for Custom Setting 17 (Remote on duration;
79).
Auto Off
Regardless of the setting chosen, the exposure meters do not turn off automatically when the camera
is powered by an optional EH-5 AC adapter and EP-5 AC adapter connector ( 103). The camera does
not turn off automatically when connected to a computer ( 55) or PictBridge printer ( 57).
Option Description
Short
Monitor and exposure meters remain on for 4s. When Image review is on, pictures are
displayed in monitor for 4s after shooting ( 75).
Normal
(default)
Monitor and exposure meters remain on for 8s. When Image review is on, pictures are
displayed in monitor for 4s after shooting ( 75).
Long
Monitor remains on for 20s; exposure meters remain on for 1minute. When Image
review is on, pictures are displayed in monitor for 20s after shooting ( 75).
Custom
Choose monitor off delay and image review time from 4s, 8s, 20s, 1minute, and
10minutes. Choose auto meter-off delay from 4s, 8s, 20s, 1minute, or 30minutes.