tweaked ampl slider params

diff --git a/gr-utils/src/python/usrp_siggen_gui.py b/gr-utils/src/python/usrp_siggen_gui.py
index 5ac2369fb43f05d484cbf4525ed7f5a2efeac398..40848fbeee3aa0d7764de5f5d92a63731084b711 100755 (executable)
--- a/gr-utils/src/python/usrp_siggen_gui.py
+++ b/gr-utils/src/python/usrp_siggen_gui.py
@@ -208,10 +208,10 @@ class app_gui(pubsub):
             proportion=2,
             ps=self.tb,
             key=usrp_siggen.AMPLITUDE_KEY,
-            min_exp=-5,
+            min_exp=-6,
             max_exp=0,
             base=10,
-            step_size=1,
+            num_steps=100,
         )
         lvl_hbox.AddSpacer(5)
         if self.tb[usrp_siggen.GAIN_RANGE_KEY][0] < self.tb[usrp_siggen.GAIN_RANGE_KEY][1]: