TESTO 477 - Product description; Overview

4 Product description
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4 Product description
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4.1. Overview
1 LCD display shows flash sequence (flashes per minute = FPM).
For different parameters that can be shown in the display, see
Setting options (page 36).
2 On/off
3 Mode button. This button is used to switch between various
setting options and operating modes, see Setting options (page
36).
4-7 Control the flash sequence. The speed at which the flash
sequence changes is controlled by the length of time for which
the button is pressed.
• 4 : Increases the currently selected value. Accelerates if the
button remains pressed.
• 5 : Doubles the currently selected value. Accelerates if the
button remains pressed.