Hella TC-400 Instructions De Montage page 46

GB DIAGNOSTIC CHECK
1 Press and hold Check button on display.
Turn on ignition
2
Release Check button when display shows:
3
The system will show interference diagnostics thus
advising Receiver location suitability.
3 rows of bars means interference is non existent or
4
minimal. Receiver location is optimal.
4 4 6 6
2 rows of bars means interference is acceptable.
5
Receiver location is acceptable.
1 row of bars means interference is not acceptable.
6
Identify alternative Receiver location.
No visible bars means interference is substantial.
7
Find alternative Receiver location and move Receiver
module further away from equipment operating on same
frequency.
Your system is now operational; proceed to 'Set
Standard Pressure & Warning levels' (see page 29).
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