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-rw-r--r--DOCS/tech/slave.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/DOCS/tech/slave.txt b/DOCS/tech/slave.txt
index a9e31fda84..1ca4e40838 100644
--- a/DOCS/tech/slave.txt
+++ b/DOCS/tech/slave.txt
@@ -330,6 +330,9 @@ tv_last_channel
tv_set_freq <frequency in MHz>
Set the TV tuner frequency.
+tv_step_freq <frequency offset in MHz>
+ Set the TV tuner frequency relative to current value.
+
tv_set_norm <norm>
Set the TV tuner norm (PAL, SECAM, NTSC, ...).