17. INSTALLATION
PURION
To change the default parameters follow the next procedure scrupulously:
1. Turn on the display and place the aid level in OFF mode
2. Press the [-] button on the handlebar 4/5 times until the number 0.5 appears on the display
3. 3. Move the [+ -] keys on the handlebar and enter the menu to be modied choosing between
1,2,3,4,5,6 (large number on display).
• parameter [0.5] >-
• parameter[1.5] > Display Type (only Bosch) 1.1 Purion
• parameter[2.5] >Choice of wheel circumference size:
• wheel circumference(default value > 21.7equivalent to 2170 mm or 27.5” standard
wheel)the value must be as close as possible to the real circumference in order to have a
correct reading of the speed. The use of automatic calibration is recommended (parameter
4.5);
• parameter[3.5] >Choice of activation/deactivation unlock button:you can change the
default setting (default value> 4.4 WALK key) by choosing: 1.1 RESET key, 2.2LIGHT key, 3.3
sequence+++ or 4.4 WALK.1.1 RESET button , 2.2 LUCI (LIGHTS) button , 3.3 sequence +++
or 4.4. WALK.