Keypad; Beeper; Lcd Backlight - Hanna Instruments Pool Line HI987134 Instruction Manual

8.4. KEYPAD

1. CAL key, press to enter or exit calibration.
When in Setup, used to start or stop editing a parameter.
2. ON/OFF key, press to turn the instrument ON/OFF.
3. GLP key, press to enter or exit GLP feature.
When in Setup, used to increase the set values.
When in Log Recall, used to select a new record (scroll up).
4. AVG key, press to set the average reading mode ON/OFF.
When in Setup, used to modify set value.
When in Log Recall, used to select a previous record (scroll down).
5. SETUP/DEL key, press to enter or exit setup.
When in Log Recall, used to delete one or all records.
When in GLP, used to delete user calibration.
6. RCL key, press to enter or exit logged data.
7. LIGHT key, press to turn ON/OFF the backlight.
8. LOG/CFM key, press to store the log records or to confirm the selected option.
9. READ key, press to start a measurement. Press and hold to make a continuous measurement.
When in Log Recall, used to view specific log information.
When in GLP, used to view GLP information.
When in Setup, used to scroll between items.

8.5. BEEPER

Can be configured as on/off in Setup.
• Long beep - error or invalid key press
• Short beep - confirmation

8.6. LCD BACKLIGHT

Press the LIGHT key to turn backlight ON or OFF. After 25 seconds of non-use backlight turns off to
preserve battery life.
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