EDI LMD Series Посібник з експлуатації - Сторінка 7

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when a vehicle is NOT over the roadway loop. The Sensitivity Level will be now displayed

on the DEFLECTOMETER. Pressing the SENS or SENS button once will display the

Sensitivity Level without changing the setting. After pressing the SENS or SENS

buttons to display the Sensitivity Level, the setting can then be modified by pressing the

SENS or SENS buttons again. The display will automatically return to the normal

display after three seconds. The factory default Sensitivity Level is 6.

Sensitivity

Note that each change of the Sensitivity Level while in this "direct adjust" mode causes the

LMD Series to retune.

2.1.3 DYNAMIC DEFLECTOMETER DISPLAY OPERATION

While the LMD Series is in the Call state (DEFLECTOMETER = 1-9), the

DEFLECTOMETER displays the Call Strength (1 – 9). When the Call terminates (DET

indicator Off) the Call Strength will be displayed for an additional three seconds. Pressing

the SENS or SENS button during this interval will modify the Sensitivity Level as

described in section 2.1.1, with the DEFLECTOMETER display remaining in the Call

Strength mode.

Pressing the SENS or SENS button when the LMD Series is not in the Call state

(DEFLECTOMETER = 0) will display and modify the Sensitivity Level directly as described

in section 2.1.2. In this case the DEFLECTOMETER displays the actual Sensitivity Level.

2.2 SET THE OPERATIONAL MODE

Operational mode can be set to Short Presence, Long Presence, Pulse, Call or Off mode.

Pressing the MODE button once will display the Operational Mode without changing the

setting. After pressing the MODE button to display the current Operational Mode, the

setting can then be changed by pressing the MODE button again. The display will

automatically return to the normal display after several seconds.

Setting a new Operational Mode will cause the channel to retune.

2.2.1 OUTPUT CALL TEST

When the MODE button is pressed and held for one second, the unit will generate a pulsed

(125 ms) Call state (true) output every 1500 ms. This operation can be used to quickly

verify that a Call output is being received by the Controller Unit.

2.2.2 SHORT PRESENCE MODE (S)

The Short Presence mode will tune out a continuous Call after 30 minutes. Use Short

Presence unless the detection zone is expected to be continuously occupied for periods of

time in excess of 30 minutes.

2.2.3 LONG PRESENCE MODE (L)

The Long Presence mode will tune out a continuous Call after 120 minutes.

2.2.4 PULSE MODE (P)

The Pulse mode will provide a 125 ms ± 25ms width output pulse for each vehicle entering

the loop.

Eberle Design Inc.

LMD622 and LMD624 Series

Operations Manual

∆L / L

Sensitivity

0.01%

0.02%

0.04%

0.08%

0.16%

∆L / L

0.32%

0.64%

1.28%

2.56%

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