RD-GB2A BUS AMPLIFIER
10
INSTALLATION
Adjusting video gain:
To adjust the gain of the RD-GB2A module, press button
on one of the monitors connected to the RD-GB2A
module to be displayed (the image of the door panel will be displayed on the monitor). Note: The image should be
displayed throughout the process.
.
Step 1:
Press button
on one of the monitors connected to the RD-GB2A module that requires video gain
adjustment; the 'In-Use' LED will illuminate. (Note: RD-GB2A in gateway mode, establish communication with
the general entrance door panel).
Step 2:
Press button PA or PB to reduce or increase the gain level of the RD-GB2A module respectively. The status
LEDs will indicate the modified gain level; see table:
Step 3:
Then, to save the selected gain value, press the 'NoRoute' button for 3 seconds; the 'In-Use' LED will blink.
Step 4:
Press the 'NoRoute' button again for 3 seconds until the LED illuminates. This indicates that the RD-GB2A
module is operating with the gain value set in the previous steps in 'fixed mode' (always).
Step 5:
Check that the new gain value is correct. With the monitor video activated, press the 'NoRoute' button and check
that the status LEDs indicate the required gain value (see video gain table in step 2).
Note: Repeat the procedure (steps 1 to 5) until the RD-GB2A module is set to the required video gain
Ga n 1
i
Ga n 2
i
Ga n 3
i
Ga n 4
i
Ga n 5
i
Ga n 6
i
ON
OFF
OFF
OFF
ON
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
ON
ON
Bus-IN LED
Bus-OUT LED
Tx/Rx LED
( )
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Video gain
Continued from previous page.
Set the video gain to 'fixed' or 'automatic' mode:
The RD-GB2A module has 2 operating modes for setting gain:
Model: RD-GB2/A
Bus-OUT
PA
PB
NoRoute
Amp-ON
Function
buttons
'Fixed' mode: The RD-GB2A module will always use the gain configured in the module.
Step 1:
Press button
on one of the monitors connected to the RD-GB2A module that requires
video gain adjustment; the 'In-Use' LED will illuminate. (Note: RD-GB2A in gateway mode,
establish communication with the general entrance door panel).
Step 2:
Then press the 'NoRoute' button for 3 seconds and repeat this step until the 'In-Use' status LED
illuminates.
'Automatic' mode: The RD-GB2A module adjusts the gain automatically when it connects to the
system.
Step 1:
Press button on one of the monitors connected to the RD-GB2A module that requires
adjustment to 'automatic' mode; the 'In-Use' LED will illuminate.
Step 2:
Then press the 'NoRoute' button for 3 seconds and repeat this step until the 'In-Use' status LED
is blinking.
Default settings:
To use the default settings of the RD-GB2A module (level 1 gain and 'fixed' mode):
Step 1:
Disconnect the module from the power supply.
Step 2:
Reconnect the module to the power supply. Then, during the first 10 seconds, with the RD-GB2A
module in standby, press the 'NoRoute' button for 3 seconds; the 'In-Use' status LED will blink once
confirming that the module is now using the default settings.
Note:
Gain level from 1 to 6, with 1 the minimum value and 6 the maximum.
*
( )
Factory setting.
Model: RD-GB2/A
Bus-IN Bus-OUT
Tx/Rx
In-Use
NoRoute
Status LEDS