Make gainmode VAR the default and update config to accept gainmode identifiers

1 files changed, 4 insertions, 6 deletions

diff --git a/doc/example.ini b/doc/example.ini
index 259ee4a..6a4b0f4 100644
--- a/doc/example.ini
+++ b/doc/example.ini
@@ -64,25 +64,23 @@ loop=0
 ;source=localhost:9200
 
 [modulator]
-; Gain mode: 0=FIX, 1=MAX, 2=VAR
-;
-;   Mode 0 (FIX) uses a fixed factor and is really not recommended. It is more
+;   Mode 'fix' uses a fixed factor and is really not recommended. It is more
 ; useful on an academic perspective for people trying to understand the DAB
 ; modulation.
 ;
-;   Mode 1 (MAX) is the normalization of every OFDM symbol. No overshoot, no
+;   Mode 'max' is the normalization of every OFDM symbol. No overshoot, no
 ; truncating, but varying output power (around 3dB) which might not be the best
 ; for some power amplifier. The output samples are limited to a magnitude
 ; of 32768.
 ;
-;   Mode 2 (VAR) uses the method specified in ETSI 300 798. This method
+;   Mode 'var' uses the method specified in ETSI 300 798. This method
 ; normalizes to 4 times the standard deviation for an approximation of the RMS
 ; power. So around 6/100000 samples will be truncated and will introduce some
 ; really minor distortion. But this mode also maximizes the output power. This
 ; is the gain mode recommended for real world operation as it is based on a DAB
 ; standard; the only difference is that ODR-DabMod uses a better resolution
 ; with 16 bits instead of 8 bits.
-gainmode=2
+gainmode=var
 
 ; Transmission mode
 ; If not defined, take the mode from ETI