Operating instructions for the training computer with
digital display ( ST2550-8/-9)
Equipment
Values
1 Time 0:00 - 99:59 [ min: sec ]
2 Energy consumption 0 - 9999
total kilometres
3 Speed 0 – 99.9 [KM/H]
Distance 0 – 99.9 [KM]
4 Peddling rate 20 – 199 [rotations / min]
Pedal rotations
5 Percent actual – maximum
pulsation ratio
6 Pulsation 50 – 199 [ beats / min ]
7 Large display ambient temperature [0 – 40°]
fitness mark [ F1.0-F6.0 ]
Symbols:
a REC recuperation pulsation
b SCAN automatic display change
c Arrow actual area in large display
d KM total kilometres
e Average beat rate + pulsation
f LO undershooting lower pulsation
value
g HI exceeding upper pulsation
value
h Heart flashes in rhythm with pulse beat
i Percent % maximum pulsation specification
j Note acoustic monitoring of max
pulsation
k MAX maximum pulsation excess
Buttons:
Minus button diminishes values (display area
backwards)
Set button function button [specification,
change, reset of display]
Plus button increases values (display area
forwards)
Recovery button function button [fitness mark
assessment]
Connections (front)
Socket for ear clip
Connections (rear)
Socket (4 pin) for hand pulse sensors
Socket (2 pin) to record speed
Battery pocket 2 mignon 1.5 volt LR6, AA batteries
1.0 Displays before training
1. Ambient temperature illus.1 [before & after training]
2. Full display illus.2 [after peddling or
pressing button, 1 sec]
3. Total kilometres illus.3 [display duration: 10
seconds or button]
4. Start display illus.4
Illus.1 Ambient temperature
Illus. 4 Start displayIllus. 3 Total kilometres
Illus. 2 Full display
3
1
2
5
4
7
Symbols in the display
fhgi
j
Functions and operation of the training computer
6
k
e
GB
a
bc
d
e
e
