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# Honeywell MS9520 Barcode Scanner

**Goal**: Setting for adding **prefix Ctrl-A**. This is to remove all pre-existing data inside an input field

**Reference**: <https://www.honeywellaidc.com/en/-/media/en/files-public/technical-publications/multi-product/00-02544.pdf&#x20>;

**Instruction**: scan every single barcode on the first column in this order from top to bottom

| **Step #** |         **Scan barcode**         | **Explanation**                                                                                                                                                                                    |
| ---------- | :------------------------------: | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 1          | ![](/files/-M1biHv1GzpqkDLYIYPu) | Start config mode                                                                                                                                                                                  |
| 2          | ![](/files/-M1biHv2nO0hhtNwGelh) | **Configurable Prefix Character #1** – A prefix ID can be added and assigned for data transmission. Use this code with a code byte sequence, on page 16–1, which represents the desired character. |
| 3          | ![](/files/-M1biHv3o2rtzM1ZC0XP) | **Code Byte 1**                                                                                                                                                                                    |
| 4          | ![](/files/-M1biHv4HBD2ag6nZzwm) | **Code Byte 7**                                                                                                                                                                                    |
| 5          | ![](/files/-M1biHv5Zqj3-5JYHkiS) | **Code Byte 5**                                                                                                                                                                                    |
| 6          | ![](/files/-M1biHv6U6Dpgub_4p1y) | **Configurable Prefix Character #2** – Assigns a second configurable prefix characte&#x72;**.**                                                                                                    |
| 7          | ![](/files/-M1biHv795yMd-Ixf3az) | **Code Byte 0**                                                                                                                                                                                    |
| 8          | ![](/files/-M1biHv8kLtTxgg6-MCK) | **Code Byte 6**                                                                                                                                                                                    |
| 9          | ![](/files/-M1biHv9SFCWz9Go7ndW) | **Code Byte 5**                                                                                                                                                                                    |
| 10         | ![](/files/-M1biHvAaUY85YuzzCMx) | Stop config mode                                                                                                                                                                                   |

**Explanation**:

* 1st Configurable Prefix = 175 : Left Crtl + 1 character
* 2nd Configurable Prefix = 065 : Letter “A”
* Scanner will transmit \<left CRTL Make> “A” \<Left CRTL Break>

{% file src="/files/-M1bjvp08Qffha31\_bL0" %}
Honeywell MetroSelect Single-Line Scanner Configuration Guide
{% endfile %}


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