> ## Documentation Index
> Fetch the complete documentation index at: https://docs.supplyline.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Operation

> Startup, calibration, and operating modes for LMI TD Series metering pumps

# TD Series Operation

<Note>
  This page is under development. See the [raw manual](/docs/lmi/td/raw-manual) for complete operation instructions.
</Note>

## Operating Modes

The TD Series supports multiple operating modes depending on the model:

| Mode            | TD09XX | TD10XX+ |
| --------------- | ------ | ------- |
| Manual          | ✓      | ✓       |
| Analog (4-20mA) | —      | ✓       |
| External Pulse  | —      | ✓       |
| Batch           | —      | ✓       |
| Cycle Timer     | —      | ✓       |
| Timed Event     | —      | ✓       |
| Process Control | —      | ✓       |