Uniden UH-057 manual Special Feature

Page 23

Special Feature

SELECTIVE CALLING

Selective Calling (SELCALL) is a special Sequential Tone Squelch System that allows the user to receive/transmit calls selectively fromlto an individual or a group, on a shared busy channel.

The Sundowner UH-O57 has Selective Calling (SELCALL) system specially built-in. With exceptional features like Receiver Quieting, Group Calling, and User Programmable

Parameters makes the Sundowner UH-O57 superior to any of its kind.

Receiver Quieting (Tone Squelch)

When enabled, it automatically mutes the receiver audio circuit of the Radio. It will stay on its "Quiet Mode", as long as the required SelcaU tone code (SELCALL ID) to open the muting circuit is not received.

Tone Squelch Scanning

Scans Tone Squelched Channels only.

Group Calling Capability

Transmits and Responds to Group Calls.

User-Programmable SELCALL Parameters

Gives the user freedom to program and configure the

SELCALL parameter for efficient Selective Calling communi- cation.

Page 21

UH-O57

Image 23

Contents UnidenSUNDOWN ERUH-57 Uniden~ is a registered trademark of Uniden Corporation Nickel-Cadmium Battery WarningTable of Contents Selcall 3UH-O57 Descrl ptlonUlrements Feature Highlights UH-O5J UH-O57 Belt Clip Wrist strapLocks out a selected channel from channel scan Top Indicators and Display~~88 AC Adaptor/Charger Jack Connect AC Adaptor/Charger here Side Controls and ConnectorsTX Power HI/LOW Switch -Press to set the Transmit Built-in Speaker Audio Output Front ControlsRX ID, TX ID, or lead-In tone Enter lead-In Delay ProgrammingUH-O57 Hash Key Press and hold for 1.5 sec toChannel Enter Key Press to enter the selectedGetting Started Antenna Battery InformationBelt Clip Installation Recharging the Nickel-Cadmium Battery PackOperation To resume scanning, press the 0 Key Channel ScanPress D PriorityScanning is inactive in TSO Scan ModeCreate a Channel Scan List with Channel Lock-Out Feature Transmit Maximum transmit power output level of UH-O57is 5 wattsDisplay Low Battery Level DetectionButton. DUP indicator appears on the LCD Display Special Feature Example Choosing CH20 as your Call Channel Puts the receiver on Quiet Mode also known as ToneRequired Selcallid to open the Quiet condition is received Tone Squelch Scanning When a call is receivedKey Cancel TSQ Scanning by pressing either the 0 orUsing the 0 or 0 Key, browse through the TSQ Channels When a Selcall is received, press the PIT SwitchRadios Tone CallingTX Selcall ID Format 3 4 D Receiver Selcall ID CD 1ADJ Press the @ Key Transmitter Selcall IDTcAL ProgrammingMSec Other SELCALLParametersLead-In Delay Sec Lead-In ToneKey LCD Display To remove the lead-In Tone Select the lead-In Tone you want to use ExampleProgramming Guide Delay SPage35UH-O57 Care and MaintenancePrincess Highway, Rockdale, NSW ServiceUHF CB Channel Information Duplex Operating Mode Simplex Operating ModeButtons ChannelsTransm itter Warranty UTZZO1857ZZ