Efka dc1550 - Multiple-Function Key Bar Inputs; Control Outputs; Multiple-Function Key Bar LEDs

Instruction Manual
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8.1.2 Keys on the multiple-function key bar on the machine head
Upon pressing one of the keys S1...S8, its number appears in the display. On the V810/820/850 also in## and on.
Display example for input S7 on the V820/V850 control panel: 
8.1.3 Outputs of control
 Select the desired output using the +/- keys.
 On the V810 control panel or on the built-in keypad in the control, the >> key is used to turn on the
associated output, if it is connected and working.
 On the V820 control panel, instead of the >> key the key (lower right, at the outer edge) must be pressed.
Display example for backtacking output on the V820/V850 control panel: 
Output
on socket
Backtacking
ST2/34
Sewing foot lifting
ST2/35
M1
ST2/37
M2
ST2/28
M3
ST2/27
M4
ST2/36
M5
ST2/32
M6
ST2/30
M7
ST2/21
M8
ST2/24
M9
ST2/25
Outputs M10
ST2/29
Outputs M11
ST2/31
8.1.4 LEDs of the multiple-function key bar on the machine head
The procedure is exactly as described in the previous section.
If the >> or F2 key is pressed, the associated LED lights up.
Display example for LED 01 on the V820/V850 control panel: 
LED
in/over key
01
in S1 (thread monitor)
02
in S1 (oil sensor)
03
above S2
04
above S3
05
above S4
06
above S5
07
above S6
08
above S7
09
above S8
10
in S2
11
in S3
12
in S4
13
in S5
14
in S6
15
in S7
in S7 on
2-34 oUt vr
LED 01