You can get an idea of the watch’s power level by observing the battery power indicator on the display.
Level Battery Power Indicator Function Status All functions enabled. All functions enabled. Illumination, beeper, and sensor operation Except for timekeeping and the indicator, all functions and display indicators disabled. 5 All functions disabled. • The fl ashing indicator at Level 3 ( ) tells you that battery power is very low, and that exposure to bright light for charging is required as soon as possible.• At Level 5, all functions are disabled and settings return to their initial factory defaults. Once the battery
reaches Level 2 ( ) after falling to Level 5, reconfi gure the current time, date, and other settings. • Display indicators reappear as soon as the battery is charged from Level 5 to Level 2 ( • Leaving the watch exposed to direct sunlight or some other very strong light source can cause thebattery power indicator to show a reading temporarily that is higher than the actual battery level. The
correct battery level should be indicated after a few minutes.• All data stored in memory is deleted, and the current time and all other settings return to their initial
factory defaults whenever battery power drops to Level 5 and when you have the battery replaced.• Performing multiple sensor, illumination, or beeper operations during a short period may cause all of
the battery power indicators ( ) to start fl ashing on the display. This indicates that the watch is in the power recovery mode. Illumination, alarm, countdown timer alarm, hourly time signal, and sensor operations will be disabled until battery power recovers. • Battery power will recover in about 15 minutes. At this time, the battery power indicators ( stop fl ashing. This indicates that the functions listed above are enabled again. • If all of the battery power indicators ( ) are fl ashing and the (charge) indicator also is fl ashing, it means the battery level is very low. Expose the watch to bright light as soon as possible. • Even if battery power is at Level 1 ( ) or Level 2 ( ), the Digital Compass Mode, Barometer/ Thermometer Mode, or Altimeter Mode sensor may be disabled if there is not enough voltage available to power it suffi ciently. This is indicated when all of the battery power indicators ( ) are fl ashing. • Frequent fl ashing of all of the battery power indicators ( ) probably means that remaining battery power is low. Leave the watch in bright light to allow it to charge.• For details about the operating time and daily operating conditions, see the “Power Supply” section of
the Specifi cations.When turned on, Power Saving enters a sleep state automatically whenever the watch is left for a certain
period in an area where it is dark. The table below shows how watch functions are affected by Power • There actually are two sleep state levels: “display sleep” and “function sleep”. Elapsed Time in Dark Display Operation 60 to 70 minutes (display sleep) Blank, with fl ashing Display is off, but all functions are enabled. 6 or 7 days (function sleep) Blank, with not fl ashing All functions are disabled, but timekeeping is maintained.• The watch will not enter a sleep state between 6:00 AM and 9:59 PM. If the watch is already in a sleep
state when 6:00 AM arrives, however, it will remain in the sleep state. • The watch will not enter a sleep state while it is in the Stopwatch Mode or Countdown Timer Mode. To recover from the sleep stateMove the watch to a well-lit area, press any button, or angle the watch towards your face for reading.
To turn Power Saving on and off 1. In the Timekeeping Mode, hold down until the currently selected city code starts to fl ash. This is the city code setting screen. • Befo re the cit y code st arts t o fl ash , the mes sage SET Hold will a ppear on t he displ a y. Keep depre ssed un til SET Hold disa ppears a nd the cit y code s tart s to fl ash. to display the Power Saving On/Off screen shown nearby. to toggle Power Saving on ( twice to exit the setting screen. • The P ower Savi ng on indic ator ( PS ) is on the d isplay in all m odes whil e Power Sav ing is tur ned on. Battery power Battery power Power saving on indicator Power saving on indicatorView the manual for the Casio Pro Trek here, for free. This manual comes under the category watches and has been rated by 17 people with an average of a 9. This manual is available in the following languages: English. Do you have a question about the Casio Pro Trek or do you need help? Ask your question here
Do you have a question about the Casio and is the answer not in the manual?
After a few months without using it, my Casio Pro Trek watch only displays CHG. What should I do?
View photoThis message has been automatically translated Same question Type your response here Add my comment terry pattersonNovember 3, 2022my watch pro trek casio prg 270 keep sounding alarm at 12am 12:10am how do i tu
Same question Type your response here Add my comment Pam Sielky December 21, 2023Change from military time
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Below you will find the product specifications and the manual specifications of the Casio Pro Trek.
The Casio Pro Trek is a watch designed for outdoor enthusiasts, offering a range of features to assist in various activities. The band material is made of resin, providing durability and resistance to wear and tear. With a waterproof rating of 10 ATM and a water-resistant depth of 100 meters, this watch can withstand water exposure without being damaged. One of the notable features of the Casio Pro Trek is its built-in barometer, allowing users to monitor changes in atmospheric pressure. This is particularly useful for predicting weather patterns and making informed decisions during outdoor excursions. Additionally, a thermometer is also included, providing real-time temperature readings. The dimensions of the watch are as follows: width - 50.9 millimeters, depth - 57.3 millimeters, and height - 15.3 millimeters. Despite its functionality, the Casio Pro Trek remains lightweight with a weight of 65.4 grams, ensuring comfort during extended wear. The mechanism type is electronic, ensuring precise timekeeping. A stopwatch feature is included with a measuring capacity of 24 hours and an accuracy of 0.01 seconds. This is valuable for tracking athletic performance or timing various activities. In summary, the Casio Pro Trek is a reliable and durable watch, equipped with features such as a barometer and thermometer, making it well-suited for outdoor enthusiasts. With its water resistance and lightweight design, it is a practical choice for individuals engaging in various activities. The inclusion of a stopwatch further adds to its versatility.
Band material Waterproof Battery level indicator| Brand | Casio |
| Model | Pro Trek | PRG-240-1JF |
| Product | watch |
| EAN | 4971850477907 |
| Language | English |
| Filetype | User manual (PDF) |
| Band material | Resin |
| Product design | Casual |
| Housing color | Black |
| Black | |
| Case shape | Round |
| Black | |
| Watch marker style | Arabic numerals |
| Watch case material | - |
| Gender | Unisex |
| Waterproof | Yes |
| 10 ATM | |
| 100 m | |
| Barometer | Yes |
| Thermometer | Yes |
| Mechanism type | Electronic |
| Stopwatch | Yes |
| Stopwatch measuring capacity | 24h |
| Stopwatch accuracy | 0.01 s |
| Chronograph | - |
| Chronometer | - |
| Watch dial type | LCD dial |
| Shockproof | - |
| Altimeter | Yes |
| Wrist watch | |
| Countdown timer | Yes |
| Countdown timer measurement units | Hour, Minute, Second |
| Clock mode | 12h/24h |
| Calendar | Yes |
| Accuracy | 15 sec/month |
| Alarm function | Yes |
| World time function | Yes |
| Time zones | Yes |
| Number of time zones | 31 |
| Electronic compass | Yes |
| Width | 50.9 mm |
| Depth | 57.3 mm |
| Height | 15.3 mm |
| Weight | 65.4 g |
| Battery level indicator | Yes |
Can't find the answer to your question in the manual? You may find the answer to your question in the FAQs about the Casio Pro Trek below.
The Casio Pro Trek has a weight of 65.4 g.
The product can still be used safely after proper cleaning. Remove the battery with gloves and clean the battery compartment with a toothbrush and vinegar. After drying, new batteries can be inserted into the device.
