diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1dfc4f411..be813601e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -72,4 +72,4 @@ jobs:
       - name: Test validation with legacy jsonschema
         run: |
           pip install jsonschema==4.17.3
-          pytest tests/test_abstract_repr.py
+          pytest tests/test_abstract_repr.py -W ignore::DeprecationWarning
diff --git a/pulser-core/pulser/sequence/_seq_drawer.py b/pulser-core/pulser/sequence/_seq_drawer.py
index f45f8b0f4..e26c9d2c7 100644
--- a/pulser-core/pulser/sequence/_seq_drawer.py
+++ b/pulser-core/pulser/sequence/_seq_drawer.py
@@ -118,7 +118,12 @@ class ChannelDrawContent:
     phase_modulated: bool = False
 
     def __post_init__(self) -> None:
-        self.curves_on = {"amplitude": True, "detuning": False, "phase": False}
+        is_dmm = isinstance(self.samples, DMMSamples)
+        self.curves_on = {
+            "amplitude": not is_dmm,
+            "detuning": is_dmm,
+            "phase": False,
+        }
 
     @property
     def _samples_from_curves(self) -> dict[str, str]:
@@ -533,13 +538,20 @@ def phase_str(phi: float) -> str:
     time_scale = 1e3 if total_duration > 1e4 else 1
     for ch in sampled_seq.channels:
         data[ch].phase_modulated = phase_modulated
-        if np.count_nonzero(data[ch].samples.det) > 0:
-            data[ch].curves_on["detuning"] = not phase_modulated
-            data[ch].curves_on["phase"] = phase_modulated
-        if (phase_modulated or draw_phase_curve) and np.count_nonzero(
-            data[ch].samples.phase
-        ) > 0:
-            data[ch].curves_on["phase"] = True
+        curves_on = data[ch].curves_on.copy()
+        _, det_samples_, phase_samples_ = data[ch].get_input_curves()
+        non_zero_det = np.count_nonzero(det_samples_) > 0
+        non_zero_phase = np.count_nonzero(phase_samples_) > 0
+        curves_on["detuning"] = non_zero_det ^ (
+            phase_modulated and non_zero_phase
+        )
+        curves_on["phase"] = (
+            phase_modulated or draw_phase_curve
+        ) and non_zero_phase
+
+        if any(curve_on for curve_on in curves_on.values()):
+            # The channel is not empty
+            data[ch].curves_on = curves_on
 
     # Boxes for qubit and phase text
     q_box = dict(boxstyle="round", facecolor="orange")
@@ -730,6 +742,7 @@ def phase_str(phi: float) -> str:
                 )
 
         target_regions = []  # [[start1, [targets1], end1],...]
+        tgt_txt_ymax = ax_lims[0][1] * 0.92
         for coords in ch_data.target:
             targets = list(ch_data.target[coords])
             tgt_strs = [str(q) for q in targets]
@@ -737,7 +750,7 @@ def phase_str(phi: float) -> str:
                 tgt_strs = ["⚄"]
             elif ch_obj.addressing == "Global":
                 tgt_strs = ["GLOBAL"]
-            tgt_txt_y = max_amp * 1.1 - 0.25 * (len(tgt_strs) - 1)
+            tgt_txt_y = tgt_txt_ymax - 0.25 * (len(tgt_strs) - 1)
             tgt_str = "\n".join(tgt_strs)
             if coords == "initial":
                 x = t_min + final_t * 0.005
@@ -745,7 +758,7 @@ def phase_str(phi: float) -> str:
                 if ch_obj.addressing == "Global":
                     axes[0].text(
                         x,
-                        amp_top * 0.98,
+                        tgt_txt_ymax * 1.065,
                         tgt_strs[0],
                         fontsize=13 if tgt_strs == ["GLOBAL"] else 17,
                         rotation=90 if tgt_strs == ["GLOBAL"] else 0,
@@ -767,7 +780,7 @@ def phase_str(phi: float) -> str:
                         msg = r"$\phi=$" + phase_str(phase)
                         axes[0].text(
                             0,
-                            max_amp * 1.1,
+                            tgt_txt_ymax,
                             msg,
                             ha="left",
                             fontsize=12,
@@ -798,7 +811,7 @@ def phase_str(phi: float) -> str:
                     x = tf + final_t * 0.01 * (wrd_len + 1)
                     axes[0].text(
                         x,
-                        max_amp * 1.1,
+                        tgt_txt_ymax,
                         msg,
                         ha="left",
                         fontsize=12,
@@ -826,7 +839,7 @@ def phase_str(phi: float) -> str:
                 msg = "\u27F2 " + phase_str(delta)
                 axes[0].text(
                     t_ - final_t * 8e-3,
-                    max_amp * 1.1,
+                    tgt_txt_ymax,
                     msg,
                     ha="right",
                     fontsize=14,
@@ -875,7 +888,7 @@ def phase_str(phi: float) -> str:
             msg = f"Basis: {data['measurement']}"
             if len(axes) == 1:
                 mid_ax = axes[0]
-                mid_point = (amp_top + amp_bottom) / 2
+                mid_point = sum(ax_lims[0]) / 2
                 fontsize = 12
             else:
                 mid_ax = axes[-1]