CALAMP WIRELESS NETWORKS INC. BDD4T881 ユーザーズマニュアル
120 20170-200
Paragon
PD
Technical Manual
10
•
Monitor Mute switch - opens the mute, al-
lowing continuous monitoring of the audio
signal.
On = audio muted
signal.
On = audio muted
3.1.1.2 Exciter
module
The Exciter’s front panel controls and indicators
are:
are:
Figure 7 - Exciter module, front panel
•
Carrier Switch - momentarily keys the
transmitter ON while pressed (used for test
purposes only).
purposes only).
•
On LED - is lit when transmitting
•
Line Sensitivity – not used.
•
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.
PGM800Win. Slow Flashes indicates VCO
(synthesizer) out of lock. Unequal Flashes
indicates internal communication error.
•
Microphone Socket – not used.
3.1.1.3
Power Amp module
The Power Amp front panel and indicators are:
Figure 8 - Power Amp module, front panel
•
Supply LED - is lit when DC power is ap-
plied.
•
Low Forward Power LED - is lit when for-
ward power is below the level set, normally
80% of nominal forward power.
80% of nominal forward power.
•
High Reverse Power LED - is lit when high
reverse power is detected (e.g. VSWR= 3:1).
•
Power - sets the PA output power:
-
VHF & UHF: 20 – 100 Watts
-
800: 20-70 Watts
3.1.1.4 Speaker
panel
Referring to Figure 9, the speaker panel is fitted
with a 4
with a 4
Ω
speaker.
Both series of radio assemblies share the same
front panel fitted with an RJ11 connector. This
connector is used to allow programming the ra-
dio from the front of the unit via a programming
lead. This feature is exclusive to the Series II
modules.
front panel fitted with an RJ11 connector. This
connector is used to allow programming the ra-
dio from the front of the unit via a programming
lead. This feature is exclusive to the Series II
modules.
Carrier
Switch
On
LED
Supply
LED
Line
Sensitivity
Microphone
Socket
®
Exc iter
Carrier
O n
Line
Sensitivit y
Supply
Microphone
®
Power Amplifier
Low Forward Power
Supply
High Rev ers e Power
Power
Supply
LED
Low Forward
Power LED
High Reverse
Power LED
Power
Adjustment