This document is the user's guide for the DR-T240TER calculator, providing instructions on how to use the calculator and its features.
This guide explains how to set up and operate the Casio DR‑T240TER calculator, covering safety precautions, power handling, and basic functions such as addition, subtraction, and the IT function. It also describes the input buffer, selector switches, and the RESET button for restoring default settings.
Technical details are listed in the specifications section, including ambient temperature limits, dimensions, weight, and required consumables like the P‑5880T paper roll. Maintenance advice covers cleaning the print head, handling the backup battery (CR2032), and troubleshooting common errors.
| Ambient temperature range | 07 °C to 40 °C |
|---|---|
| Dimensions (H × W × D) | 91 mm × 213 mm × 340 mm |
| Weight | 1.7 kg (3.8 lb) |
| Backup battery type | CR2032 or equivalent |
| Recommended paper | P‑5880T |
The backup battery should be replaced about once every 11 months.
Use a CR2032 battery or an equivalent type recommended by the manufacturer.
The calculator is recommended for use in environments from 5 °C to 35 °C (spec sheet lists 07 °C to 40 °C).
The input buffer can hold up to 14 key operations.