You have decided to purchase the
TRELOCK bike computer FC 820 /
FC 830 / FC 840 (each with Uni-Base) or
FC 845 (Night-Light-Base) and, as such,
your choice is an excellent one. Your new
bike computer is easy and convenient
to operate thanks to the visual guidance
system and large mono-button typical of
TRELOCK products. Please read through
this manual prior to your initial usage of
the computer.
38
Contents
1. Scope of supply
2. Insertion of batterie 41
3. Assembly/Installation 42
4. Display design and operating principle 47
5. General default settings 48
6. Main menus 59
7. Training 66
8. Additional information
and instructions
9. Notes 69
40
66
39
2. Insertion of batterie 2.1 Sensor
When supplied to the customer, the
battery has already been inserted into the
bike computer. In order to activate the
computer, the red plastic fl ag must fi rst be
removed. Turn the battery compartment
cap on the bottom of the computer in an
anti-clockwise direction and pull the fl ag
out. Then turn the cap fi rmly back in place.
In order to insert this battery, use a coin
to turn the battery compartment cap in
an anti-clockwise direction and insert
the battery with the + sign pointing
upwards (see fi g.). Then turn the cap
fi rmly back in place.
Lithium Battery CR2032
Lithium Battery CR2032
41
2.2 Only FC 845
The display for your bike computer is fed
via a battery in the night-light base. In order to insert this battery, use a coin to turn
the battery compartment cap in an anticlockwise direction and insert the battery
with the + sign pointing upwards (see fi g.).
Then turn the cap fi rmly back in place.
Lithium Battery CR2032
42
3. Assembly/Installation
3.1 Assembly/Installation FC 820, 830, 840
a) Handlebar
b) Frame
3.4 Assembly/Installation of sensor
45
3.5 Assembly/Installation of magnet
46
4. Display design and operating principle
Visual guidance
system
SET-button
Analogue speedometer
display
Comparison of
current speed with
average speed
Change battery
MODE button
Display line 1
Display line 2
Display line 3
47