Dataradio Paragon, Техническое руководство

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120 20170-204a Paragon
PD
Technical Manual 9
2.6 Checking out Normal
Operation
1- Check that power is applied.
2- Check Radio assembly lights for proper op-
eration as per section 3.1.1
3- Check for proper operation of the BDLC
PD
’s
LEDs as per section 3.2.1.2.
4- Using the WinRIS program (described in
section 4), and an in-line wattmeter, check
the forward & reflected power to confirm
antenna installations.
5- Using the WinRIS, check the RF link with a
mobile station that can be heard, by using
the WinRIS test features. See section 4.5.5.7
6- If user application and a mobile station are
available, test the installation by going
through a normal sequence of transmitting
and receiving messages.
3. Operating Description
3.1 Radio Assembly
The Radio assembly component of each Paragon
product is made up of high performance synthe-
sized radio base station designed for single op-
eration. Referring to Figure 1 on page 5, the Ra-
dio Assembly’s modules are commonly installed
in a standard, 19-inch wide rack frame.
3.1.1 Front panels
The complement of modules is identical for:
Series I, ( 800 MHz model, now superseded by
Series II ) and
Series II, ( VHF, UHF and 800MHz models )*
•
2 Receivers
•
Exciter
•
Power Amplifier
•
Speaker panel
•
Dual Power Supply
3.1.1.1 Receiver module
The RX1 and RX2 receivers’ use identical front
panel controls and indicators. These are:
Figure 6 - Receiver module front panel
•
Gating Sensitivity - sets the RF signal level
required to open the mute gate and allow
audio to pass to the speaker
1
.
•
Gate LED - indicates the status of the mute
circuit. It is lit when a signal above the mute
threshold is received
1
.
•
Supply LED - is lit when DC power is ap-
plied. Fast Flashes when linked with
PGM800Win. Slow Flashes indicates VCO
(synthesizer) out of lock. Unequal Flashes
indicates internal communication error.
•
Line Level - Not used
•
Monitor Volume - The audio output delivers
up to one watt to the speaker. Always set
1
“Gating Sensitivity” and “Gate LED” are not
functionally used except to allow listening to in-
coming receptions as a trouble-shooting aid.
Depending on the sensitivity adjustment, the
Gate LED lights and a relay can be heard on in-
coming RF signals.
Gating
Sensitivity
Gate
LED
Line
Level
Monitor
Volume
Monitor
Mute
On - Off
Receiver
®
Gating
Gate
Line
Level
Supply
Sensitivity
Monitor
Volume
Off
On
Monitor
Mute