The Jingchuang DS-1 Digital Thermometer User Manual provides operation instructions, specifications, and battery information for the DS-1 temperature meter.
The DS-1 digital thermometer features dual temperature probes, clock display, Celsius/Fahrenheit conversion, and high accuracy. It can be used in refrigeration equipment, homes, offices, and vehicles.
The manual explains power setup, function key operation, time setting, temperature measurement ranges, and battery replacement. It also describes LCD indicators for out‑of‑range temperatures and low‑battery warnings. This manual is written in Chinese.
| Temperature range | -50°C (‑58°F) to +70°C (158°F) |
|---|---|
| Resolution | >‑20°C 0.1°C, ≤‑20°C 1.0°C |
| Time display range | 1:00‑12:59 |
| Power source | 1 × 7# battery |
Press the FSW key to switch to time display, then use the HR key to increase the hour (wraps after 12) and the MIN key to increase the minute (wraps after 59).
If temperature is ≥ 70 °C (158 °F) the LCD shows “H°C” (or H°F); if temperature is < ‑50 °C (‑58 °F) it shows “L°C”.
When the battery is low the LCD flashes at 1 Hz and measurements become inaccurate; replace the battery.