Key facts
- Brand
- Casio
- Model
- CQ-1
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-02
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Casio CQ-1 Computerized Quartz User Manual
The CQ-1 is a computerized quartz clock that combines a digital time display, alarm, stopwatch and calculator functions. The manual explains the unit's nomenclature, power sources, and how to install batteries or connect the AC adaptor.
Detailed sections cover setting the time and date, programming up to four alarms, using the stopwatch in normal, net and lap modes, and performing basic calculations. Troubleshooting tips and specifications such as accuracy, battery life and timing capacity are also included.
Casio CQ-1 specifications
| Crystal oscillator frequency | 32,768 Hz |
|---|---|
| Clock accuracy | Within ±15 seconds per month (normal temperature) |
| Clock battery life | Approximately 1 year |
| Display battery life | Approximately 10 hours |
| Timing capacity | 9 hours 69 minutes 69 seconds |
| Timing resolution | 1/10th of a second |
| Alarm tones | Four different electronic tones, minimum 1‑minute duration |
| Calendar range | 1904 – 2009 (including leap years) |
All Casio CQ-1 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How do I set an alarm?
Set the mode selector to SET, then use the numeric keys to enter the alarm number, hour, minute and AM/PM, and press the appropriate keys to confirm.
What is the clock’s accuracy?
The clock maintains an accuracy within ±15 seconds per month under normal temperature conditions.
What should I do if the display flashes or dims?
Replace the AA‑size display battery immediately, as a low voltage causes the display to flash or dim.