The document is the operation manual for CASIO CQ-1 Computerized Quartz. It provides information about the features and operation of the product.
This manual covers the CG-1 digital clock’s power options, including two silver‑oxide (G13) batteries for the clock functions and an AA‑size dry battery for the display. It provides detailed instructions for loading and replacing batteries, as well as operating the device on AC power.
The guide also explains how to set the time, adjust the alarm, use the stopwatch function, and resolve common issues such as a flashing display or non‑functioning alarm.
| Display battery | AA‑size dry battery (UMS, SUM or AM‑3E) |
|---|---|
| Display battery life | ≈1 hour |
| Timing capacity | 9 h 60 m 59 s |
| Crystal frequency | 32,768 Hz |
| Date range | 1901‑2089 |
| Alarm tones | 4 different tones |
Replace the AA‑size display battery immediately, as a low voltage causes the display to flash or dim.