Aquasafe WSL25 Pro, Instruction Manual

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2.0 Operation
2.1.1 Set Up
Before working with the photometer, it may be necessary to insert the batteries if supplied
separately. See chapters 2.1.2 Saving Data – Important Information and 2.1.3 Replacement of
Batteries.
Before using the photometer, perform the following settings in the Mode-Menu. This is achieved by
turning the device on and pressing the [MODE] key.
MODE 10: Language - Select language
MODE 12: Clock - Set date and time
MODE 34: Delete Data – Deleting any previous data from device
MODE 69: User m. init. – Initialise user polynomial system.
See Chapter 2.4 Photometer Settings for the full Mode-Menu list.
2.1.2 Saving Data – Important Information
During battery replacement, the data on the HT1000 is saved for 2 minutes. If the battery
changeover time exceeds 2 minutes, all the data and settings stored on the device are lost. It is
recommended to have the replacement batteries easily accessible to ensure quick changeover.
2.1.3 Replacement of Batteries
Ensure to read Chapter 2.1.2 before replacing batteries. See Chapter 2.1.4 for an annotated diagram of the instrument.
1. Switch the instrument off.
2. If necessary, remove vial from the sample chamber.
3. Place the instrument upside down on a clean and even surface.
4. Unscrew the four screws (A) of the battery compartment cover (B).
5. Lift off battery compartment at the notch (C).
6. Remove old batteries (D).
7. Insert 4 new batteries, ensuring correct polarity.
8. Replace battery compartment cover. Check the seal ring (E) of the notch to make sure it is a tight fit. If the seal appears
stretched or damaged then a replacement should be obtained to ensure the waterproof seal is maintained.
9. Tighten the screws carefully.