Crivit 1-LD3875 User Manual
Page 31

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Setting the heart rate target zone 
 
ATTENTION: Consult your physician before selecting a 
target zone. The target zone presets are approximate 
guidelines and are not suitable for everyone. 
 
While viewing the current heart rate and target zone sub-feature, press and hold 
SET to select a preset target zone or set the user defined target zone (ZN-P/ZN-
U). The user defined target zone will appear on the display. Repeatedly press SEL 
to select the desired target zone: User defined (ZN-P/ZN-U), Leisure (ZN-1), 
Fitness (ZN-2), Sport (ZN-3). The following table contains an overview of the 
zones 1-3. To set the user defined target zone press set while displaying the user 
defined target zone (ZN-P/ZN-U) to enter setting mode. The lower limit will blink 
on the display. Set the lower limit by pressing SEL and confirm your setting by 
pressing SET. Set the upper limit in the same way. 
 
Age
>
20
25
30
35
40
45
50
55
60
65
Zone 1
130
126
123
120
117
113
110
107
104
100
Leisure
to
to
to
to
to
to
to
to
to
to
50-65 % 
MHR 
100
97
95
92
90
87
85
82
80
77
Zone 2
160
156
152
148
144
140
136
132
128
124
Fitness
to
to
to
to
to
to
to
to
to
to
65-80 % 
MHR 
130
126
123
120
117
113
110
107
104
100
Zone 3
190
185
180
175
171
166
161
156
152
147
Sport
to
to
to
to
to
to
to
to
to
to
80-95 
MHR 
160
156
152
148
144
140
136
132
128
124
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Activating/deactivating the heart rate alarm 
Press SET while viewing the current heart rate and target zone sub-feature, press 
SET briefly to activate or deactivate the target heart rate alarm. If the alarm is 
activated, the symbol will appear on the display. 
Resetting the heart rate data 
The heart rate data is reset daily at midnight. 
Memory mode (SPEICH/MEMORY)
First, press MODE to select memory mode (SPEICH/MEMORY). The data for the 
past 14 days can now be viewed. Press SEL to access the next feature. The data 
for steps, distance (km), calories, fat burn (g) and odometer (G-Dst/ODO) is 
saved for 14 days. 
Total memory (14 days) 
The order of the features is: Total Step/Total Distance (Total Step/Total Distance) 
> Total Calories/Total Fat Burn (Total Calories/Total Fat Burn) > Odometer (G-
Dst/ODO) > BMI (BMI) 
 
Note: 
The stored daily values for calories, fat burn, average speed and maximum speed 
are reset nightly at 0:00 but are stored in the 14-day memory. 
Notes on the BMI 
The BMI is a statistical measurement that can be used to judge a persons weight. 
For adults, a value between 18.5 and 25 is considered normal. Values below 
18.5 are considered "underweight". Values above 25 are considered 
"overweight". Values above 30 are considered "Obese". 
