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MX8000 Installation and Operation Guide
3. Press
until the display flashes on the Thresh field.
4. Enter the desired value from the keypad or press the
threshold level. Values range from 1 to 15 volts in 2.0 VDC increments (1=2.0VDC, 2=4.0VDC,
3=6.0VDC and so on).
5. When the desired line fault threshold is flashing press
To Change the Phone Line Sample Rate:
The sample time field controls how often the receiver will sample the phone line to verify that it is above the
set threshold level of that line card. This is how often the receiver verifies the integrity of the phone line.
1. Follow the procedures in Section 5.5.4.
3
2. Press
for Line Options menu.
3. Press
until the display flashes on the Sample field.
4. Enter the desired value from the keypad or press the
rate. Values range from 0 to 255 in 1 second increments (0=Line monitor disabled, 1=1 second, 2=2
seconds, 3=3 seconds and so on). The receiver will make two to three samples before generating a trouble
condition on a faulty line.
5. When the desired sample time is flashing press
6. Press
to exit this menu.
5.5.4.4
Listen-In
The listen in feature is used to perform two-way voice alarm
verification between the central station and the alarm
installation site.
Note: See Section 4.7 on page 4–19 for a description of the
listen-in modes.
To Change the Listen Mode:
1. Follow the procedures in Section 5.5.4.
4
2. Press
for the listen in options menu.
3. When the display shows the listen in options menu (see
Figure 5–26):
Press the
or
4. When the desired setting is flashing press
To Change the PBX String:
This option only appears if PBX is select as the mode.
1. Follow the procedures in Section 5.5.4.
4
2. Press
for Listen In options menu.
5–62
button to change the listen mode setting.
ENTER
MENU
or
button to change the Line fault
ENTER
or
.
MENU
or
button to change the line sample
ENTER
or
.
MENU
<Edit Line :01>
4=Listen In
5 Misc. Line Opt.
< Exit Menu
Mode=Not Used
Timeout=000
<Account List>
<Listen Mode <=Exit>
Figure 5–26: MX8000–LC1 Listen Mode
.
Menu Display
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Troubleshooting
