LKZ-720 OPERATING MANUAL version 1.02
3
CONTENTS
1
SAFETY .................................................................................................................... 5
2
DESCRIPTION OF THE SYSTEM ....................................................................... 6
2.1
T
RANSMITTER
LKN-720 ......................................................................................... 7
2.1.1
Front panel .................................................................................................... 7
2.1.2
LCD Display .................................................................................................. 8
2.1.3
Operation ....................................................................................................... 9
2.2
LKO-720
RECEIVER
............................................................................................. 11
2.2.1
Front panel .................................................................................................. 11
2.2.2
Display ......................................................................................................... 12
2.2.3
Operation ..................................................................................................... 13
3
PRINCIPLE OF SYSTEM OPERATION ........................................................... 15
3.1
T
RANSMITTER
LKN-720 ....................................................................................... 15
3.2
R
ECEIVER
............................................................................................................ 15
3.3
S
YNCHRONIZATION OF THE TRANSMITTER WITH THE RECEIVER
. .............................. 15
3.4
M
ODES OF SYSTEM OPERATION
............................................................................. 18
3.4.1
Current mode I ............................................................................................. 18
3.4.2
Voltage mode U ........................................................................................... 18
3.4.3
Voltage-current mode UI ............................................................................. 19
3.4.4
Mode of detecting P3 phase ......................................................................... 19
3.4.5
Power mode - Pr .......................................................................................... 20
3.4.6
The mode of detecting safety devices - FUSE .............................................. 20
3.4.7
Clamp mode - CL ......................................................................................... 21
3.4.8
Mode for detecting 50Hz/60Hz electric field - NEON ................................. 21
4
OPERATION .......................................................................................................... 22
4.1
R
EPLACING THE POWER SUPPLY
........................................................................... 22
4.1.1
Receiver ....................................................................................................... 22
4.1.2
Transmitter .................................................................................................. 22
4.2
E
NERGY
-
SAVING FUNCTION
:
AUTO-OFF ............................................................. 24
4.2.1
Transmitter .................................................................................................. 24
4.2.2
Receiver ....................................................................................................... 25
4.3
S
ETTING AUDIO PATH GAIN
. .................................................................................. 25
4.4
S
ETTING THE TRANSMITTER CODE
......................................................................... 27
5
MEASUREMENTS ................................................................................................ 28
5.1
D
ETECTING CABLES IN CEILINGS
,
WALLS AND FLOORS
, ........................................... 28
5.1.1
Live cables ................................................................................................... 28
5.1.2
Conductors without voltage ......................................................................... 34
5.1.3
Voltage-current mode UI ............................................................................. 36
5.2
L
OCATING BREAKS IN CABLES
............................................................................... 38
5.3
L
OCATING SHORT
-
CIRCUITS IN MULTICORE CABLES
. .............................................. 38
Summary of Contents for LKG-720
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