LDA Audio Tech ONE Series User manual
Support Handbook
Line supervision setting for ONE series device
Reference: ONE series
Line supervision setting for ONE series device
Support Handbook - ONE series
1 DESCRIPTION
This documenttion explains how to settup the frecuency and attenuation of the line
suppervision at ONE series devices on detail. Line supervision is a method used by the
device to meassure the current impedance and check the correctperformance at speakers
lines.
LINE SUPERVISION FRECUENCY CHANGE
Follow those steps to proper config the line supervision frecuency
1. From main menu, hold BCK botton for 3 sec.
2. Press OK + BCK at the same time for 3 sec.
3. Enter the Access ID and press OK. See APPENDIX I for the correct reference.
4. Enter Login level 3 access (with password 0003 by default).
5. Change the frequency value with the "up" and "down" arrow keys between 19 (kHz)
and 24 (kHz). By default the equipment is set to 19 kHz.
6. Press BCK until recover main menu.
3 ADJUSTING THE LINE MONITORING VOLUME.
To adjust the volume of the line monitoring, proceed as follows
1. From main menu, navigate with the "right" and "left" keys until you find the
"Configuration" option. Press "Ok".
2. Enter Login level 3 access (with password 0003 by default).
3. Navegate until the path “Configuration/Zones”.
4. You must perform the following procedure with each of the areas you wish to monitor
Line supervision setting for ONE series device
Support Handbook - ONE series
◦Make sure that the Line Supervision ("Line Superv." on the display) is activated
("On").
◦Navegate until “Calibrate” and press “Ok”.
5. Press BCK until recover main menu.
6. Press OK + BCK at the same time for 3 sec.
7. Enter the Access ID and press OK. See APPENDIX I for the correct reference.
8. Adjust the attenuation of the line monitoring tone to the desired value. A value of 0
means no attenuation.
Line supervision setting for ONE series device
Support Handbook - ONE series
ANNEX I: LIST OF PARAMETERS BY FIRMWARE VERSION
Depending on the version of the firmware installed in your ONE series device, it will use a
different reference for access to the control of the same parameters.
Parameters Firmware version Value
Test tone level for line and amplifier
monitoring.
v01.00.02.03
01E110000
Tone frequency for line and amplifier
monitoring.
01E120000
Test tone level for line and amplifier
monitoring.
v01.00.03.01
0038
Tone frequency for line and amplifier
monitoring.
0039
Test tone level for line and amplifier
monitoring.
v01.00.04.01
0038
Tone frequency for line and amplifier
monitoring.
0039
The version of the firmware installed in the ONE series device can be found in the menu
•Sys Monitor → Sys Info
ANNEX II: VOLUMEN CONTROLLERS
With active line monitoring, volume controllers cannot be used as they have varying
impedance depending on the level set.
You can find more information about line monitoring at the following link
Link to LDA Support Website Speaker Line Supervision
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