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-rw-r--r--src/odr-padenc.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/odr-padenc.cpp b/src/odr-padenc.cpp
index 76439e7..3d610bd 100644
--- a/src/odr-padenc.cpp
+++ b/src/odr-padenc.cpp
@@ -58,7 +58,8 @@ static void usage(const char* name) {
fprintf(stderr, " -d, --dir=DIRNAME Directory to read images from.\n"
" -e, --erase Erase slides from DIRNAME once they have\n"
" been encoded.\n"
- " -s, --sleep=DUR Wait DUR seconds between each slide\n"
+ " -s, --sleep=DUR Wait DUR seconds between each slide. If set to 0, the next slide is inserted just after the previous one\n"
+ " has been transmitted. This is useful e.g. for stations that transmit just a logo slide.\n"
" Default: %d\n"
" -o, --output=IDENTIFIER Socket to communicate with audio encoder\n"
" --dump-current-slide=F1 Write the slide currently being transmitted to the file F1\n"