III - Identification - Sigma C
3.1 Wall Sigma C
3.2 Rack 19’’ Sigma C
A
B
C
D
E
USB connector
LCD screen
Alarm indicator light (red LED)
Keypad (see page 15)
Mains indicator light (green LED)
A
B
C
DE
A
B
C
D
E
IV - Installation
4.1 Mechanical installation
Choose a room with low temperature variations away from any source of electrical interference
(contactors, motors, etc.).
4.1.1 Wall mounted version
1/ Loosen the 2 screws on the front.
2/ Remove the top cover: slide upward.
3/ Remove the cover bottom: Press the 2 clips (N) and slide upward.
4/ Disconnect the at cables (Q) (be careful to connect them the same way round on reassembly).
5/ Attach the master clock to the wall.
6/ When your unit is in place, remove the protective lm on the keypad.
4.1.2 Rack 19’’ version
1/ Install the rack in its slot in a cabinet.
Q
N
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