From fe627dd8b7b8c2f8758cdb1fd35e818c3373fa20 Mon Sep 17 00:00:00 2001
From: bparks13 <bap@open-ephys.org>
Date: Wed, 12 Nov 2025 18:12:28 -0500
Subject: [PATCH 1/3] Set Rhd2164 DspCutoff to Off

---
 OpenEphys.Onix1/ConfigureRhd2164.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/OpenEphys.Onix1/ConfigureRhd2164.cs b/OpenEphys.Onix1/ConfigureRhd2164.cs
index 7fb9bf71..0b36ccb5 100644
--- a/OpenEphys.Onix1/ConfigureRhd2164.cs
+++ b/OpenEphys.Onix1/ConfigureRhd2164.cs
@@ -52,7 +52,7 @@ public ConfigureRhd2164(ConfigureRhd2164 configureRhd2164)
         /// </summary>
         [Category(ConfigurationCategory)]
         [Description("Specifies the cutoff frequency for the digital (post-ADC) high-pass filter used for amplifier offset removal.")]
-        public Rhd2164DspCutoff DspCutoff { get; set; } = Rhd2164DspCutoff.Dsp146mHz;
+        public Rhd2164DspCutoff DspCutoff { get; set; } = Rhd2164DspCutoff.Off;
 
         /// <summary>
         /// Gets or sets the low cutoff frequency of the analog (pre-ADC) bandpass filter.

From c6b0e43e2075ef643762f68333e86357e8ce3245 Mon Sep 17 00:00:00 2001
From: bparks13 <bap@open-ephys.org>
Date: Mon, 24 Nov 2025 13:04:25 -0500
Subject: [PATCH 2/3] Add remark to DspCutoff XML comment

---
 OpenEphys.Onix1/ConfigureRhd2164.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/OpenEphys.Onix1/ConfigureRhd2164.cs b/OpenEphys.Onix1/ConfigureRhd2164.cs
index 0b36ccb5..02bb8e05 100644
--- a/OpenEphys.Onix1/ConfigureRhd2164.cs
+++ b/OpenEphys.Onix1/ConfigureRhd2164.cs
@@ -50,6 +50,11 @@ public ConfigureRhd2164(ConfigureRhd2164 configureRhd2164)
         /// <summary>
         /// Gets or sets the cutoff frequency for the digital (post-ADC) high-pass filter used for amplifier offset removal.
         /// </summary>
+        /// <remarks>
+        /// The amplifiers on the Intan chip, past the analog filter, introduce a DC offset that varies with each channel.
+        /// The <see cref="Rhd2164DspCutoff"/> exists to remove this DC offset and ensure that all signals are centered at zero.
+        /// With it disabled, all the signals will appear centered at different values.
+        /// </remarks>
         [Category(ConfigurationCategory)]
         [Description("Specifies the cutoff frequency for the digital (post-ADC) high-pass filter used for amplifier offset removal.")]
         public Rhd2164DspCutoff DspCutoff { get; set; } = Rhd2164DspCutoff.Off;

From 325d7a320bec3890b3f82836901238f8b01f85e8 Mon Sep 17 00:00:00 2001
From: bparks13 <bap@open-ephys.org>
Date: Tue, 25 Nov 2025 10:06:46 -0500
Subject: [PATCH 3/3] Update the specific Intan chip used

---
 OpenEphys.Onix1/ConfigureRhd2164.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/OpenEphys.Onix1/ConfigureRhd2164.cs b/OpenEphys.Onix1/ConfigureRhd2164.cs
index 02bb8e05..77d32eb0 100644
--- a/OpenEphys.Onix1/ConfigureRhd2164.cs
+++ b/OpenEphys.Onix1/ConfigureRhd2164.cs
@@ -51,7 +51,7 @@ public ConfigureRhd2164(ConfigureRhd2164 configureRhd2164)
         /// Gets or sets the cutoff frequency for the digital (post-ADC) high-pass filter used for amplifier offset removal.
         /// </summary>
         /// <remarks>
-        /// The amplifiers on the Intan chip, past the analog filter, introduce a DC offset that varies with each channel.
+        /// The amplifiers on the RHD2164 chip, past the analog filter, introduce a DC offset that varies with each channel.
         /// The <see cref="Rhd2164DspCutoff"/> exists to remove this DC offset and ensure that all signals are centered at zero.
         /// With it disabled, all the signals will appear centered at different values.
         /// </remarks>