Philips Voice Tracer VTR5000 User Manual page 62

"30m"(to auto save at a 30min interval)、 "60m"(to auto save at a
60min interval ) 、"120m"(to auto save at a 120min interval) ，
press MENU to confirm and enter the next menu.
Language
It is used for setting the system language.
On the stop interface of music mode, consecutively short press
on the MENU to enter the language setting interface, as shown
in the following figures:
Press or to select "Simplified Chinese" (S-C),
"Traditional Chinese" (T-C) or "English" (EN), press MENU to
confirm and enter the next menu.
Backlight Time
Five types of backlight time are available: 0, 15s, 30s, 45s and
60s. If there's no operation on the device after the set time, the
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