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-rw-r--r--DOCS/tech/slave.txt16
1 files changed, 8 insertions, 8 deletions
diff --git a/DOCS/tech/slave.txt b/DOCS/tech/slave.txt
index ac81380e86..ef25e3f44d 100644
--- a/DOCS/tech/slave.txt
+++ b/DOCS/tech/slave.txt
@@ -264,17 +264,17 @@ tv_set_freq <frequency in MHz>
tv_set_norm <norm>
Set the TV tuner norm (PAL, SECAM, NTSC, ...).
-tv_set_brightness <-100 - 100>
- Set TV tuner brightness.
+tv_set_brightness <-100 - 100> [abs]
+ Set TV tuner brightness or adjust it if [abs] is set to 0.
-tv_set_contrast <-100 -100>
- Set TV tuner contrast.
+tv_set_contrast <-100 -100> [abs]
+ Set TV tuner contrast or adjust it if [abs] is set to 0.
-tv_set_hue <-100 - 100>
- Set TV tuner hue.
+tv_set_hue <-100 - 100> [abs]
+ Set TV tuner hue or adjust it if [abs] is set to 0.
-tv_set_saturation <-100 - 100>
- Set TV tuner saturation.
+tv_set_saturation <-100 - 100> [abs]
+ Set TV tuner saturation or adjust it if [abs] is set to 0.
use_master
Switch volume control between master and PCM.