Lectrosonics UCR210d User Manual download pdf (Page 6)

FRONT PANEL CONTROLS AND FUNCTIONS

AUX

MAIN

PILOT

TONE

BYPASS

RF LEVEL

MOD

LEVEL

BAT

0° 180°

INT

PWR

EXT

PWR

OFF

AUDIO

LEVEL

RCVR

B A T

PT LED (Pilot Tone)

The audio output muting (squelch) function of the UCR210D is

controlled by a 32kHz tone modulation of the RF carrier. The

audio output is muted until this tone is present. This LED shows

three conditions:

Off - No pilot tone detected

Green - Pilot tone detected

Red - Pilot tone bypassed - press pilot tone

bypass button to engage

TRANSMITTER MOD LEVEL METER

The two audio level LED’s are bi-colored (red/.green) and indicate

5 levels -

off - off no audio modulation

Green - off low audio

Green - green moderate audio

Red - off full audio

Red - Red limiting

RF LEVEL INDICATORS

The RF (radio frequency) level meter has three tri-colored LED’s

which can indicate 10 levels

off off off no RF level

red off off

red red off

red red red

yellow red red

yellow yellow red

yellow yellow yellow

green yellow yellow

green green yellow

green green green Strongest RF level

RCVR BAT LED

This tri-color LED will indicate the battery condition in the re-

ceiver as follows

Green

Yellow

Red

- battery good

- battery getting low

- battery very low - change now

Blinking Red - battery critical failure imminent

Note: When using external power, this LED will only show

GREEN as a power indicator. It doesn’t monitor the level of the

external voltage. (Later versions of this receiver do monitor the

external voltage as well as the internal battery voltage.)

TX BAT LED

This tri-color LED will indicate the condition of the battery in the

transmitter as follows:

Blinking Green - condition unknown - checking

level - wait for one of the

following indications:

Green - battery good

Yellow - battery getting low

Red - battery very low - change now

Blinking Red - battery critical - failure imminent

POWER SWITCH

This switch turns on the receiver - when switched to the left INT

PWR the unit will run on the internal batteries. When switched to

the right EXT PWR the unit operates on the external power connec-

tion - the power source could be an external battery, a camera

battery or the AC adpater.

PILOT TONE BYPASS

Pressing the pilot tone bypass switch over-rides the pilot tone

circuitry to allow you to listen to an interfering signal for determine

its source or for diagnostic purposes. Be careful when bypassing

pilot tone. Gross audio noise may come through if the radio is

receiving severe interference. To re-engage pilot tone, press the

button again.

AUDIO OUTPUT LEVEL CONTROL

The front panel Audio Output Level control will adjust the audio

output within the range set by the Lo/Mid/Hi range switch (located

on the rear panel.) In the Low position the adjustment range is

from –50dBm to –20dBm, the High position (center) allows an

adjustment from –30dBm to 0dBm, and the Fixed position sets the

audio output to a fixed +8dBm with no front panel control.

ANTENNA CONNECTORS

These are standard 50 Ohm BNC type jacks for the RF input to the

receiver. The left jack is the main antenna and the right jack is for

the diversity antenna.

ANTENNA PHASE LEDs

These two LEDs labeled “0

” and “180

” indicate the Smart Diver-

sity circuitry is active. If one stays off constantly, double check

antenna position. In typical operation, the lights will change back

and forth as the signal changes.

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Lectrosonics UCR210d User Manual Page 6

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