Uniden UH-O53 User Manual download pdf (Page 9)

Operation

Note: Before operating the UH-053 for the

first time, make sure you have fully

charged the battery.

1. Turn the UH-053 on by rotating the

On-OflA/olume Control clockwise until you

hear a click.

2. Adjust the Volume Control to a comfortable

level.

3. Turn the Squelch Control fully counter

clockwise. You will hear background noise,

and the BUSY Indicator will light. Turn the

Squelch Control just until the background

noise disappears and the BUSY Indicator

goes out. At this setting, the received signal

must be strong enough (>0,25pV) to break

squelch and be heard,

4. If the channel is clear, the BUSY Indicator will

be out, (If the BUSY Indicator is lit, the

channel is busy. Wait until the light goes out

before you begin transmitting.) Press the PTT

Switch to transmit. The TX Indicator lights to

indicate you are transmitting. Hold the built-in

microphone (or optional Spe^er/Microphone)

approximately two inches from your mouth

and speak dearly in a normal voice.

5. When you are through speaking, release the

PTT switch and listen for a reply. (The TX

Indicator goes out.)

6. When you are finished using the radio, be

sure to turn it off to conserve battery power.

Simplex/Duplex Communication

Duplex Operation allows the Sundowner

UH-053 to operate via a repeater station on

Channels 1 through 8. The set receives on these

channels but transmits 750 kHz higher than the

receiver frequency.

When the Simplex/Duplex switch is set to

Simplex position, the set receives and transmits

on the same channel. (Simplex Communication)

To use Duplex operation on a Channel where

Repeater Service is available, set the

Simplex/Duplex selector switch to "Duplex".

To put the Duplex channel back to normal

Simplex operation, set the Simplex/Duplex

Selector switch to "Simplex".

UH-053

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