SUUNTO t1c - Manual (Page 21)

TIP: We recommend you lock the buttons, for example, after you have started a training
session or are storing the device in a travel bag.
6.3 Sleep mode
You put your Suunto heart rate monitor to sleep to extend battery life or to erase the
recorded training history. Personal settings are not erased.
1. To switch to sleep mode, simultaneously keep [Start Stop], [Lap +], [Light -] and
[View Back] pressed.
2. To reactive your device, press any button.
NOTE: Basic settings need to be set each time the device is reactivated.
6.4 Belt code
Your Suunto t1/t1c uses coded transmission technology to ensure accurate readings
from your heart rate transmitter belt.
To check your belt code:
1. Put on your heart rate transmitter belt.
2. Switch to
TRAINING mode.
3. Keep [View Back] pressed until the code is shown.
To change your belt code:
1. Remove the battery from your belt.
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