# Operation Mode

<figure><img src="https://3309772875-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnikHUDUd2JXqkOsnOi7l%2Fuploads%2FOTJ6Xu8WmWHqH8eSNBYk%2Fimage.png?alt=media&#x26;token=42777f13-8a79-46b1-b483-1062cf699cd7" alt="" width="367"><figcaption></figcaption></figure>

#### **How to Enable and Verify Gremsy EIS (Electronic Image Stabilization)**

**Step-by-Step Instructions:**

{% stepper %}
{% step %}
**Access the VIO Web App**

* Open your browser and go to: `http://192.168.55.1:8000`
  {% endstep %}

{% step %}
**Enable EIS:**

* Go to: `SYSTEM → Operation Mode`
* Set **EIS Status** to **Enable**
* Click **Apply**
  {% endstep %}

{% step %}
**Reboot the System:**

* Click the **Reboot System** button
* Wait for the payload to restart (approx. 30–60 seconds)
  {% endstep %}

{% step %}
**Verify EIS Status:**

* After reboot, check the **OSD (On-Screen Display)** overlay on the live EO video feed
* The EIS status will be displayed, confirming whether it is **Enabled** or **Disabled**

<img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXfgk5Ecj8Xmqq8rH-rnpPielaQYoYqJBAvNI8OQ-QQUyINnGqpIZP7vSYF2ljSAGKMnhQiDBvY2J3M9lsdsm0lJzO8ZaPxg1JCzrVxzvIH67flFo4PcrpzMZc2XfF172A62hY-zUA?key=vEV49FPrdLmVfuBF1ebwTQ" alt="" data-size="original">
{% endstep %}
{% endstepper %}

{% hint style="info" %}

#### ℹ️ Additional Notes:

* **Resolution Impact:**
  * When **EIS is enabled**, the EO video/image output will be fixed to **1080p** for optimal processing.
* &#x20;**Zoom + Tracking Capability:**
  * With EIS active, **object tracking** is now supported **up to 240× zoom** in **Combine mode**, delivering ultra-long-range precision.
    {% endhint %}