Uniden BC346XT User Manual

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BC346XT

The Complete Reference

This document provides a complete reference to all menus, functions, and features of the BC346XT Handheld Trunk Tracker Scanner from Uniden. It is based on the Operation Specification that is used both as a guide to the software engineers for creating the scanner’s user interface and as a repository for the “final say” on how every feature and function is implemented.

Some proprietary information has been removed, formatting has been modified, and extensive editing has been performed to make the text more readable. However, you will almost certainly find a handful of odd turns of phrases.

Mostly, though, we hope that this reference work can help you better understand and use your BC346XT. This document isn’t intended to be a guide for how to use your scanner…you’ll find that information in the Owner’s Manual…but rather a reference for all the things that the scanner does. Combined with the Owner’s Manual and the great resources available to scanner users online, you now have more information than ever on every facet of your scanner.

Fort Worth, TX

Thursday, November 20, 2008	1

Contents
Feature Summary ..............................................................................................................	8
Band Coverage .............................................................................................................	8
Channels .......................................................................................................................	9
Memory Architecture.....................................................................................................	9
Channel Memory Scan .................................................................................................	9
Priority Scan..................................................................................................................	9
Priority Plus Scan..........................................................................................................	9
Search with Scan ..........................................................................................................	9
Scan Speed...................................................................................................................	9
Scanning Lockout .........................................................................................................	10
Temporary Lockout .......................................................................................................	10
Quick Keys ....................................................................................................................	10
Startup Configuration ....................................................................................................	10
Channel Alert ................................................................................................................	10
Alpha Tagging ...............................................................................................................	10
Duplicate Input Alert......................................................................................................	10
Number Tag ..................................................................................................................	10
Trunk Tracking ..............................................................................................................	10
Multi-Site System ..........................................................................................................	11
Control Channel Only....................................................................................................	11
Priority ID Scanning ......................................................................................................	11
Preemptive Priority ID Scanning...................................................................................	11
Trunking Activity Indicators...........................................................................................	11
Custom Search .............................................................................................................	11
Quick Search.................................................................................................................	11
Frequency Autostore.....................................................................................................	11
Search Speed / Turbo Search ......................................................................................	11
Search Lockout .............................................................................................................	11
Search Key....................................................................................................................	12
Service Search..............................................................................................................	12
Broadcast Screen .........................................................................................................	12
Attenuator......................................................................................................................	12
Code Search .................................................................................................................	12
Volume Offset ...............................................................................................................	12
IF Exchange ..................................................................................................................	12
Dropout Delay ...............................................................................................................	12

Thursday, November 20, 2008	2

Weather and SAME Alert..............................................................................................	12
Close Call® Frequency Capture....................................................................................	12
Close Call Temporary Store .........................................................................................	13
Tone-Out Sequential Decode .......................................................................................	13
Location-Based Scanning* ...........................................................................................	13
Location Alert System*..................................................................................................	13
Navigation Modes*........................................................................................................	13
GPS Compatibility* .......................................................................................................	13
Wired Cloning................................................................................................................	13
Band Scope...................................................................................................................	13
PC Control.....................................................................................................................	13
LCD and Keypad Backlight...........................................................................................	13
Alert Tone Level ............................................................................................................	13
Battery Low Alert...........................................................................................................	14
Battery Save..................................................................................................................	14
Key Lock .......................................................................................................................	14
Key Safe Mode..............................................................................................................	14
Repeater Reverse.........................................................................................................	14
Memory Backup ............................................................................................................	14
Design ................................................................................................................................	15
Controls and Keys..............................................................................................................	16
Displays..............................................................................................................................	21
LCD Design...................................................................................................................	21
Icons..............................................................................................................................	21
Dot Matrix......................................................................................................................	22
LCD Flashing Time .......................................................................................................	22
Tones .................................................................................................................................	23
General Tones ..............................................................................................................	23
Weather Alert Sirens.....................................................................................................	23
Tones in Menu Mode ....................................................................................................	24
Selecting a menu item .............................................................................................	24
Editing a name or a frequency etc ...........................................................................	24
Alert in Scanner Mode ..................................................................................................	24
Alert in GPS Mode ........................................................................................................	24
Alert for Point Of Interest .........................................................................................	24
Alert for Dangerous Xing..........................................................................................	24
Alert for Dangerous Road ........................................................................................	24

Thursday, November 20, 2008	3

Battery Low Tone..........................................................................................................	24
Operation ...........................................................................................................................	25
Power On ......................................................................................................................	25
Volume and Squelch Control ........................................................................................	26
Volume Adjust Mode ................................................................................................	26
Squelch Adjust Mode ...............................................................................................	26
Menu Mode ...................................................................................................................	27
General Operations..................................................................................................	27
Error Messages........................................................................................................	30
Top Menu .................................................................................................................	31
Program System ......................................................................................................	31
Program Site ............................................................................................................	42
Program Group ........................................................................................................	51
Program Channel .....................................................................................................	55
Program Location.....................................................................................................	63
Srch/CloCall Opt ......................................................................................................	68
Search for.................................................................................................................	73
Close Call .................................................................................................................	82
Priority Scan.............................................................................................................	86
WX Operation...........................................................................................................	87
Tone-Out for … ........................................................................................................	90
Wired Clone .............................................................................................................	94
Settings ....................................................................................................................	95
SCAN MODE ................................................................................................................	101
Display during Scan Mode .......................................................................................	101
Startup Key Operation .............................................................................................	101
Start Scanning..........................................................................................................	101
Scanning Order ........................................................................................................	103
Scanning Operation .................................................................................................	104
Temporary System Hold ..........................................................................................	115
System Hold.............................................................................................................	116
Quick System Select................................................................................................	116
Quick Save for CTCSS/DCS Data..........................................................................	117
Key Operation During Scan .....................................................................................	118
SCAN HOLD MODE .....................................................................................................	120
Display while in Scan Hold Mode ............................................................................	120
General Operation....................................................................................................	120

Thursday, November 20, 2008	4

Hold on Conventional System .................................................................................	124
Hold on Trunked System .........................................................................................	124
Hold on TalkGroup ID from ID Search / ID Scan.....................................................	125
Direct Entry ..............................................................................................................	125
Key Operation During Scan Hold Mode ..................................................................	128
PRIORITY SCAN ..........................................................................................................	131
Priority Scan.............................................................................................................	131
Priority Plus Scan.....................................................................................................	132
Key Operation During Priority Scan.........................................................................	132
PRIORITY ID SCAN .....................................................................................................	133
Priority ID Scan ........................................................................................................	133
Key Operation During Priority ID Scan ....................................................................	133
SEARCH MODE ...........................................................................................................	134
Display during Search Mode....................................................................................	134
General Operation....................................................................................................	134
Service Search.........................................................................................................	135
Custom Search ........................................................................................................	136
Custom Search in Control Channel Only Mode.......................................................	137
Search and Store .....................................................................................................	138
Quick Search............................................................................................................	138
Key Operation During Search Mode........................................................................	140
SEARCH HOLD MODE ................................................................................................	142
General Operation....................................................................................................	142
Go to Quick Search Hold Directly ............................................................................	142
Direct Entry ..............................................................................................................	142
Quick Save...............................................................................................................	143
Key Operation During Search Hold Mode ...............................................................	144
CLOSE CALL MODE ....................................................................................................	146
Display during Close Call Mode...............................................................................	146
Close Call Search ....................................................................................................	146
Close Call Only ........................................................................................................	149
Close Call Hold ........................................................................................................	150
Close Call Auto Store...............................................................................................	150
CC Hit with Scan ......................................................................................................	151
Direct Entry / Quick Save / Go to Quick Search Hold Mode ...................................	151
Key Operation During Close Call Only Mode ..........................................................	152
Key Operation During Close Call Hold Mode ..........................................................	153

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WEATHER SCAN MODE .............................................................................................	156
Normal Weather Scan..............................................................................................	156
Weather Alert Scan ..................................................................................................	156
Weather (Alert) Scan Hold .......................................................................................	157
Weather Alert Priority (WX Alt Priority) ....................................................................	158
Direct Entry / Quick Save.........................................................................................	158
Key Operation During Weather (Alert) Scan Mode .................................................	158
Key Operation During Weather (Alert) Scan Hold Mode.........................................	159
TONE-OUT MODE .......................................................................................................	161
Display during Tone-Out Mode................................................................................	161
Tone-Out Standby Mode..........................................................................................	162
Tone-Out Search Mode ...........................................................................................	164
Tone-Out Hold Mode ...............................................................................................	165
Key Operation During Tone-Out Mode....................................................................	166
GPS MODE...................................................................................................................	168
Display Mode in GPS Mode.....................................................................................	168
Location Alert Operation ..........................................................................................	170
Registration of Location Information ........................................................................	173
Review Location Mode.............................................................................................	174
Key Operation During GPS Mode............................................................................	176
0BAND SCOPE MODE.................................................................................................	178
Scope Mode .............................................................................................................	178
Search Mode............................................................................................................	179
Max Hold Search Mode ...........................................................................................	179
Hold Mode................................................................................................................	179
General Operation....................................................................................................	180
Search Setting Parameters......................................................................................	181
Key Operation during Band Scope Mode ................................................................	182
WIRED CLONE MODE.................................................................................................	184
Confirm State ...........................................................................................................	184
Transferring State ....................................................................................................	184
Complete State ........................................................................................................	184
Error State................................................................................................................	185
Key Operation During Clone Mode..........................................................................	185
KEYLOCK .....................................................................................................................	186
KEY SAFE MODE.........................................................................................................	187
Changed Key Operation in Key Safe Mode.............................................................	187

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Key Safe Operation..................................................................................................	188
Key Safe Message ...................................................................................................	188
MEMORY INITIALIZATION ..........................................................................................	189
BATTERY CHARGE .....................................................................................................	190
Battery Type Select..................................................................................................	190
Charging the Battery ................................................................................................	190
OTHERS ............................................................................................................................	193
AVAILABLE SYSTEM SETTINGS................................................................................	193
System Settings .......................................................................................................	193
System Option Settings ...........................................................................................	193
Site Settings .............................................................................................................	194
Site Frequency Settings...........................................................................................	194
Channel Settings......................................................................................................	195
TGID FORMAT FOR TRUNKED SYSTEM ..................................................................	196
FLEET MAP ..................................................................................................................	202
PRESET FLEET MAPS ................................................................................................	203
WEATHER CHANNELS ...............................................................................................	204
CTCSS FREQUENCY ..................................................................................................	204
DCS CODE ...................................................................................................................	204
CEA2009-SAME EVENT CODE(ANSI/CEA-2009-A October 2005) ...........................	205
REMOTE COMMAND...................................................................................................	207
CTCSS/DCS CODE LIST .............................................................................................	254

Thursday, November 20, 2008	7

Feature Summary

Band Coverage

	Frequency (MHz)			Modulation		Step (kHz)	Remark


	Lower Edge		Upper Edge

25.0000		26.9600		AM	5.0		Petroleum Products & Broadcast Pickup
26.9650		27.4050		AM	5.0		CB Class D Channel
27.4100		27.9950		AM	5.0		Business & Forest Products
28.0000		29.6800		NFM	20.0		10 Meter Amateur Band
29.7000		49.9900		NFM	10.0		VHF Low Band
50.0000		53.9800		NFM	20.0		6 Meter Amateur Band
54.0000		71.9500		WFM	50.0		VHF TV Broadcast 2 – 4
72.0000		75.9950		FM	5.0		Intersystem & Astronomy
76.0000		87.9500		WFM	50.0		VHF TV Broadcast 5 – 6
88.0000		107.9000		FMB	100.0		FM Broadcast
108.0000		136.9916		AM	8.33		Aircraft Band
137.0000		143.9875		NFM	12.5		Military Land Mobile
144.0000		147.9950		NFM	5.0		2 Meter Amateur Band
148.0000		150.7875		NFM	12.5		Military Land Mobile
150.8000		161.9950		NFM	5.0		VHF High Band
162.0000		173.9875		NFM	12.5		Federal Government
174.0000		215.9500		WFM	50.0		TV Broadcast 7 – 13
216.0000		224.9800		NFM	20.0		1.25 Meter Amateur Band
400.0000		405.9875		NFM	12.5		Miscellaneous
406.0000		419.9875		NFM	12.5		Federal Government Land Mobile
420.0000		449.9875		NFM	12.5		70 cm Amateur Band
450.0000		469.9875		NFM	12.5		UHF Standard Band
470.0000		512.0000		NFM	12.5		UHF TV
806.0000		823.9875		NFM	12.5		Public Service Band
849.0125		868.9875		NFM	12.5		Public Service Band
894.0125		960.0000		NFM	12.5		Public Service Band
1240.0000		1300.0000		NFM	25.0		25 cm Amateur Band

Notes on Band Coverage:

You can edit the Modulation and Step for each band. The above table shows the factory default values.

Although TV bands are listed, the BC346XT cannot decode Digital TV audio.

When you select “AUTO” for a channel or mode’s Modulation or Step, the above value is used (unless you’ve edited the Band Defaults).

Thursday, November 20, 2008	8

Channels

Dynamic – You can create up to 9,000 total conventional channels, trunked channels, and trunked system frequencies.

Channels in a conventional system contain a frequency.

Channels in a trunked system contain a talk group ID (TGID).

Memory Architecture

Absolute Limits:

Systems	500
Sites Total	1,000
Sites/System	256
Channel Groups per System	20
Channels+System Frequencies	9,000
Channels per conventional	1000
system
Channels per trunked system	500
Trunk Frequencies per Site	500-1000 (depending on total
	TGIDs stored in the system)

Notes about limits:

The actual results will be limited by the first absolute limit you hit. For example, if you have created 1000 sites, you will not be able to create a new system even though you have created fewer than 500 systems.

You can check the % of memory used by using the menu.

Channel Memory Scan

The scanner can scan any combination of trunked and conventional systems simultaneously.

Priority Scan

The scanner checks conventional priority channels every 1-10 seconds (2 seconds default) when scanning a conventional system.

Priority Plus Scan

The scanner scans only the conventional priority channels.

Search with Scan

The scanner can do Service and Custom Searches along with system scanning.

Scan Speed

100 Channels/Second (max) for conventional systems.

Thursday, November 20, 2008	9

Scanning Lockout

You can lock out any System, Site, Channel Group, Channel, or search frequency.

Locked out channels are skipped (or ignored) during scanning.

If a system, site, or channel group is locked, all channels belonging to it will be skipped during scanning.

Temporary Lockout

Sites, Systems, Channels, or Frequencies temporarily locked out are automatically unlocked when power is cycled.

Quick Keys

You can assign an SQK (System/Site/Search Quick Key) from 0-99.

You can assign a GQK (channel Group Quick Key) from 0-9.

Quick keys can be rapidly enabled/disabled from the keypad during scanning.

Startup Configuration

You can assign a startup configuration key to a system or search range so that it can be automatically locked out or unlocked during power up.

Channel Alert

You can set a separate audible/visual alert for each channel.

Alpha Tagging

You can assign an alphanumeric name to each System, Site, Channel Group, Channel, Location, Custom search range, SAME group, and Tone-Out. You can use 16 characters per tag.

Duplicate Input Alert

The scanner will alert you if an entered alpha tag, frequency, etc has already been used in the same system.

Number Tag

You can assign a unique number tag from 0-999 to each system and to each channel within a system. This tag allows you to rapidly tune to a specific channel.

Trunk Tracking

The scanner can track the following types of trunked systems:

Motorola Type I 800

Motorola Type II 800, 900, UHF, VHF

Motorola Rebanded

EDACS Wide, Narrow, SCAT

EDACS ESK (No ProVoice Decoding)

LTR

Thursday, November 20, 2008	10

Multi-Site System

All trunked systems can have more than one site. All sites in the system share the same Channel Groups and Channels.

Control Channel Only

Trunk Tracking can be achieved by entering only the control channels for Motorola systems.

Priority ID Scanning

Trunked channels can be assigned priority. When the scanner is monitoring the control channel, channels you tag as priority are given a higher priority over non-priority channels when they become active.

Preemptive Priority ID Scanning

For Motorola systems that have channel priority active on the system, if you flag a channel as priority and the system also has that TGID identified as a priority channel, the scanner will preempt any current transmission if the TGID becomes active.

Trunking Activity Indicators

The scanner shows all trunked activity when you hold on the control channel.

Custom Search

You can program up to 10 custom search ranges and either search them exclusively or include these searches when scanning.

Quick Search

If you hold on a conventional channel, you can start searching from the current frequency. If you hold on a trunked channel, you can quickly switch to ID Search mode.

Frequency Autostore

The scanner can automatically store frequencies found during a search.

Search Speed / Turbo Search

100 Steps/Second in search mode (max, except for 5 kHz steps)

300 Steps/Second in search mode (max, 5 kHz steps)

Turbo mode automatically applies to 5 kHz step searches.

Search Lockout

You can lock out up to 500 frequencies.

The limit of temporary L/O frequencies: 250

The limit of permanent L/O frequencies: 250

Locked out frequencies will be skipped in Search Mode or Close Call Mode.

You can review all locked out frequencies in Menu Mode.

Thursday, November 20, 2008	11

Search Key

Search keys are short cuts to start searching for a single search range.

There are 3 search keys (sr1 to sr3).

Service Search

You can search preset frequencies typically used by specific agencies or groups.

The kind of Service Search is as follows: Public Safety, News, HAM Radio, Marine, Railroad, Air, CB Radio, FRS/GMRS/MURS, Racing, FM Broadcast, Special

Broadcast Screen

Allows the scanner to ignore hits on Pager, FM, UHF TV, VHF TV, NOAA WX and custom band frequencies.

Attenuator

You can attenuate the incoming signal for channels that get interference from strong signal sources.

You can set a global attenuator to apply attenuation to all reception.

Code Search

Rapid search for the CTCSS/DCS used during a transmission.

Volume Offset

Adjust the volume level for any channel from -3 to +3 steps to balance audio level.

IF Exchange

Switches the current frequency to use a different IF (intermediate frequency) for receiving radio signals to avoid interference.

Dropout Delay

Controls whether the scanner pauses at the end of a transmission to wait for a reply.

You can set the Delay time for each System. All Channels in the System share the same delay setting. You can also set the Delay time for Search, Close Call and Tone-Out.

You can set the minus delay time. In that case, the scanner only stops on transmissions for the set duration, then automatically resumes.

Weather and SAME Alert

The scanner can alert to Weather Alert Tone, all FIPS or selected FIPS.

Close Call® Frequency Capture

The scanner can immediately detect and lock onto a transmission above threshold signal strength.

Thursday, November 20, 2008	12

Close Call Temporary Store

The scanner scans the last 10 frequencies captured by Close Call so that you can continue to receive the signal even after the signal is not strong enough to trigger a Close Call hit..

Tone-Out Sequential Decode

Lets you set the scanner to act as a two-tone pager for fire tone-out standby. If you do not know the tones being used, the scanner can detect the tones when it receives a page.

Location-Based Scanning*

The scanner can automatically lock and unlock systems, sites and channel groups based on your current location as provided by an external GPS unit (not included).

Location Alert System*

The scanner alerts you when you approached a stored location.

Navigation Modes*

Indicate the Direction / Distance / Time to Goal for locations you set.

GPS Compatibility*

Compatible GPS units output location data that conforms to NMEA-0183 v3.01. The scanner uses the GGA and RMC sentences as defined by that specification. Note that this standard specifies an RS232 serial connection. GPS units that have USB connectivity are not compatible with this scanner.

Wired Cloning

You can clone all programmed data, including Memory Architecture, Menu settings and other parameters from one BC346XT to another BC346XT connected with RS232C cable.

Band Scope

Band Scope Mode searches a frequency range and displays a graphic of the signal level in real time.

In Band Scope Hold Mode, the user can monitor the frequency displayed.

PC Control

You can download information into the scanner and control the scanner via your personal computer.

LCD and Keypad Backlight

The Display Keypad backlight is orange.

The backlight can be adjusted to 3 different brightness levels

Alert Tone Level

This feature lets you adjust the volume level of the following tones: Key Beep, Emergency Alert, Channel Alert, Close Call Alert, Tone-Out detection Alert, Battery Low Alert and Location Alert.

Thursday, November 20, 2008	13

Battery Low Alert

When the battery voltage becomes low, the icon will blink and a Battery Low Tone will be generated every 15 seconds. This alert level is set at the same level as the key beep volume level.

Battery Save

You can turn on/off this function by Menu Operation.

This works when there is no transmission over 1 minute in the following modes. This feature turns off RF power for 1 second and turns on it 300 ms to extend the battery life.

Scan Hold Mode at a Channel of conventional System (without Priority Scan)

Any Search Hold Mode

Key Lock

This feature disables the keypad and scroll to prevent any accidental input.

Key Safe Mode

This mode helps keep novice users from accidentally changing parameters or modes.

Some keys don't work in this mode.

Repeater Reverse

One-touch key lets you switch to hearing the input frequency on a conventional repeater system or trunked system.

Memory Backup

Scanner memory is backed up semi permanently.

Thursday, November 20, 2008	14

Design

The below is a design reference. There might be some differences between this image and the actual final design.

Thursday, November 20, 2008	15

Controls and Keys

“Long press” means pressing a key more than 2 second.

Each key has a “normal” mode and a “Function” mode.

Normal Mode:

Normal Mode means that the scanner is not in Function Mode. In this mode, the icon is not displayed. Function Mode:

Pressing [FUNC] puts the scanner into Function Mode for 3 seconds. While it is in Function Mode, the scanner displays the F icon. If you press a button, the Function Mode time is continued for another 3 seconds.

Long pressing [FUNC] puts the scanner into Function Mode without a timeout. The scanner displays “Function Key” and “Holding”, and the icon blinks.

Pressing [FUNC] again in each Function Mode returns to Normal Mode and the F icon disappears.

Scroll Control

Selects a channel or frequency in Hold Mode.

Selects Menu items in Menu Mode.

Selects a character while editing the Name.

Sets the level in Volume / Squelch Level Control mode.

Scroll Control Push

Pressing this works the same operation as pressing [E / yes / gps] in Menu Mode.

Press this to set the volume level in the mode that is not Menu Mode.

Function + Scroll Control

Use to select a System in Scan or Scan Hold Mode.

Function + Scroll Control Push

Press this to set the squelch level in any mode other than Menu Mode.

Scan / srch (Search) Key

Press to resume scanning. (Scan Hold Mode and while monitoring a channel in Scan Mode)

Press to go to Scan Mode. (Except Scan Mode, Scan Hold Mode and GPS Mode)

Press to return to the scanner screen. (GPS Mode)

Thursday, November 20, 2008	16

Function + Scan / srch Key

Press to resume searching. (Search Hold Mode and while monitoring in Search Mode)

Press to toggle between ID SCAN and ID SEARCH while scanning a trunked system.

Press to display the Quick Search Prompt. (Except in Search Mode, Search Hold Mode, GPS Mode and Band Scope Mode)

Press to return to the scanner screen. (GPS Mode)

Press to change the band scope search type. ( Band Scope Mode)

Hold / (Close Call) Key

Press to go to each Hold Mode. (Scan Mode, Search Mode, Close Call Only Mode, WX Scan Mode and Band Scope Mode)

In Close Call Only Mode, the scanner sounds an Error Tone if it has not yet gotten a hit.

Press to resume scanning or searching. (Hold Mode)

Long press to go to the System Hold Mode (Scan Mode, Scan Hold Mode)

Function + Hold / Key

Toggles the setting of Close Call.

Long press to start Close Call Only Mode.

L/O (Lockout) Key

Press once to temporarily lock out a system channel, a search frequency or a location data. This lock out is canceled when the power is turned off then back on.

Press twice within one second to permanently lock out a system channel, a search frequency or a location data. This lockout remains even if the power is turned off.

Long press to unlock all settings of the current system. (Scan Mode and Scan Hold Mode)

All Locations of the current Type are unlocked by long-pressing this key. (Review Location Mode)

The scanner unlocks all frequencies of Global Lockout List*. (Search Mode, Search Hold Mode, Close Call Only Mode and Close Call Hold Mode)

Press to cancel a prompt without changing settings in Menu Mode.

*Global Lockout List means collecting the locked out frequencies at Search Mode, Search Hold Mode, Close Call Only Mode and Close Call Hold Mode.

Thursday, November 20, 2008	17

Function + L/O Key

Press once to temporarily lock out the current system, current site or current search range in Scan Mode and Scan Hold Mode. This lock out is cleared when power is turned off then back on.

Press twice in a second to permanently lock out the current system or current search range in Scan Mode and Scan Hold Mode. This locked out is kept even if the power is turned off.

Press to go to Rvw Search L/O. (Search Mode, Search Hold Mode, Close Call Only Mode and Close Call Hold Mode)

Long press to display the prompt to unlock all systems, sites, search ranges and Close Call Hits system and enable all Quick Keys for systems/sites/search ranges. (Scan Mode and Scan Hold Mode) If you press [E / yes / gps], the scanner unlocks all data. If you press [. / no / pri], the scanner returns to the previous mode without unlocking.

Long press to display the prompt for unlocking all Locations of all types. (Review Location Mode of GPS Mode) If you press [E / yes / gps], the scanner unlocks all data. If you press [. / no / pri], the scanner returns to the previous mode without unlocking.

(Light) / (Power) / (Key Lock)

Press to illuminate the LCD back light according to Menu setting or to turn the backlight off if it is on.

Press and hold to turn the scanner on or off.

Function + / / Key

Press to lock or unlock the keypad.

1- 9, 0 Key

Press to enable or disable the System/Site/Search Quick Key for system or search range. (Scan Mode)

Press to turn on or off each custom search range number. These keys operate only in Custom Search and not in other searches. (Search Mode)

Press to go to Direct Entry Mode or to enter a Number Tag. (All Hold Mode, Close Call Mode and Tone-Out Mode)

While editing a name, press [4 / LEFT] or [6 / RIGHT] to move the cursor to the left or right.

Function + 1 - 9, 0 Key

Press to enable or disable Groups Quick Key in Scan Mode.

Function + 1 - 3 / sr1 - 3 (Search) Key

Press [1 – 3 / sr1 - 3] to start Service Search, Custom Search, Tone-Out Mode or Band Scope Mode in Set Search Key. (except Scan Mode and GPS Mode)

Function + 4 / LEFT / ifx (IF Exchange) Key

Press to exchange the IF (intermediate frequency) for receiving radio signals to avoid interference. (except Scan Mode and GPS Mode)

Function + 5 / lvl (Volume Offset) Key

Press to change the volume offset level. (Scan Hold Mode)

Thursday, November 20, 2008	18

Function + 6 / RIGHT / disp Key

Press to change the Display Mode. (Scan Hold Mode and Custom Search Mode) (Display mode 1 -> Display mode 2 -> Display mode 3 -> Display mode 1 ->….)

Press to change the GPS Display. (GPS Mode)

Function + 7 / att (Attenuator) Key

Press to toggle the attenuation state. (except GPS Mode)

Long press to toggle global attenuator. (except GPS Mode)

Function + 8 / rev (Reverse) Key

Press to monitor the current frequency’s reverse frequency. It returns to current frequency when the key is released. (Scan Hold Mode, Search Mode, Search Hold Mode, Close Call Only Mode and Close Call Hold Mode)

Function + 9 / mod (Modulation) Key

Press to change the modulation state. (except GPS Mode and WX Scan Mode)

Function + 0 / wx (Weather) Key

Press to toggle WX Scan Mode and WX Alert Scan Mode while WX Scan or WX Alert Scan.

Press to toggle WX Alert Priority. (except WX Scan Mode)

Long press to start WX Scan. (except WX Scan Mode)

. (Decimal) / no / pri (Priority) Key

Press to cancel these displays while displaying Error or Warning message.

Press to input "."(decimal) for frequency.

Press to input "-" or "i" for TGID.

Press to input a space in editing a data name.

Press twice to clear the data in editing data name.

Press to input “-“ or “i” for Direct Enter in Hold Mode, Close Call Only Mode, Tone-Out Mode.

Press in Scan Mode to start the selection for the ten's place of a System/Site/Search Quick Key. Then, press number key to jump to each number's place of a Quick Key.

Function + . / no / pri Key

Press to toggle Priority Mode in Scan Mode. (On / Plus On / Off)

E (Enter) / yes / gps Key

Press to accept the input data or a Menu Item.

Press to edit the channel data. (Scan Mode and Scan Hold Mode)

Press to quickly save the frequency in Search Mode, Search Hold Mode, Close Call Mode, Close Call Hold Mode, WX Scan Mode and WX Scan Hold Mode.

Press to go to the editing menu for current Tone-Out.

Press to go to Review Location Mode. (GPS Mode)

Function + E / yes / gps Key

Press to change GPS Mode.

Long press to store a current location data.

Thursday, November 20, 2008	19

Menu Key

Press to enter the Menu Mode.

Press to go back up one menu level when in the Menu Mode.

Press after entering the value to indicate going to a number tagged system or channel.

Function + Menu Key

Press to go to the editing menu for the current system, search range or location data.

Thursday, November 20, 2008	20

Displays

LCD Design

The reference design shown below is for illustration purposes only and is not intended to be a photorealistic representation of the display.

F HOLD L/O PRI

ABCDEFGHI JKLMNOP abcdefghi jklmnop

	P	WFM	ATT C67. 0
S0:		1 2 3 4 5 6 7 8 9 0
GRP 1 2 3 4 5 6 7 8 9 0				WX

Icons

Sx: :	This icon appears with icons of System and Site Quick Key numbers (from “0” to
	“99”). “x” shows the current ten’s place of Quick Keys for Systems or Sites.
GRP:	This icon appears with icons of Quick Key number for Channel Groups (1 - 9, 0).
1 - 9, 0:	In SCAN mode, the numbers of unlocked Quick Key for Systems/Channel Group
	are displayed. The number for the currently scanned SQK set flashes.
	In SCAN HOLD mode, the Quick Key number for the current System/Channel
	Group appears.
	Enabled User Range numbers appear in Custom Search; the current range’s
	number blinks.
HOLD:	This icon appears in Scan Hold, Search Hold and Close Call Hold Mode.
L/O:	This icon appears at a locked out Channel or frequency.
PRI :	This icon turns on during Priority Scan and this blinks during Priority Plus.
GPS:	This icon appears when the scanner receives GPS data. This shows in the same
	place as "	".
AM / FM / NFM / FMB
/ WFM:	These icons show the modulation type.
ATT:	This icon appears when a channel has attenuator on and blinks when global
	attenuator is on.
C67. 0 / DCS023 etc.:	The scanner displays the CTCSS/DCS here.

Thursday, November 20, 2008	21

SCR:			This icon appears when one or more Broadcast Screen Band is set to on.
WX:			This icon turns on while the Weather Alert Priority Scan works.

F	(Function icon) :		This icon appears in Function Mode. Function Mode does not have a timeout
			when this icon blinks.

P		(Priority Channel) :	This icon appears when the channel set to “Priority On".
		(Signal Indicator) :	This icon shows strength of the signal from 0 to 5.
		(KEYPAD LOCK):	This icon will appear only when the KEYLOCK function is On.

(BATTERY Low Alert): This icon blinks when the battery voltage is low. This icon blinks when a bad battery is installed and an AC adapter is connected. This icon appears during battery check.

(Close Call Pri ) : This icon appears in Close Call Priority Mode. This blinks in Close Call Only Mode or when the scanner gets a Close Call hit.

(Close Call DND) : This icon appears in Close Call DND Mode is CC DND Mode. This is a reverse display of Close Call Pri icon.

Dot Matrix

The display element consists of a 128 x 64 pixel display. See Font Data for character patterns.

Since the display is entirely dot matrix, a great variety of different things can be shown. The above shows the most common display elements in most modes. Additional examples are shown throughout this reference guide.

LCD Flashing Time

About 500 mS on/500 mS off (1 Hz).

Thursday, November 20, 2008	22

Tones

The scanner can produce 3 fundamental tones, high (1200 Hz), middle (920 Hz), and low (640 Hz). Furthermore, there are Alert Tones and Weather Alert Sirens which include other sounds.

Additionally, special alert tones (Location Alert, CC alert, Emergency alert and WX alert, etc) can be set to custom volume levels.

General Tones

Key Touch Tone

When you press valid keys, the scanner will sound single high beep for 50 mS.

Confirmation Tone

The scanner will sound double high beep for confirmation (50 ms beep - 100 ms silent - 50 ms beep).

Exec Tone

When you press [E / yes / gps] key etc. to accept the entry or setting, the scanner will sound high-middle beep (75 ms high beep - 25 ms silent - 75 ms middle beep).

Error Tone

When you press a key that does not have a valid function in the current mode, the scanner will sound a triple low beep (75 ms beep - 25 ms silent -- repeat 2 times)

Weather Alert Sirens

The scanner sounds the following tones until any key is pressed, or for 8 seconds.

For Warning

[100 ms 120 Hz - (20 ms every 150 - 195 Hz in 5 Hz step) - (30 ms every 200 - 590 Hz in 10 Hz step) - 500 ms 600 Hz - 100 ms silent] --- repeat

For Watch

[(50 ms 800 Hz - 30 ms silent - 50 ms 1050 Hz - 30 ms silent) -- repeat 3 times - 170 ms silent] --- repeat

For Advisory

[100 ms 800 Hz - 50 ms silent - 100 ms 1050 Hz - 500 ms silent] -– repeat

For Weather Alert Tone: Same as Weather Alert Siren For Warning.

Thursday, November 20, 2008	23

Tones in Menu Mode

Selecting a menu item

As you step to the next menu item by turning [Scroll Control] knob, the scanner will sound a single high beep for 100 ms.

However, if the menu item is the last item and you turn [Scroll Control] knob in the clockwise direction, the scanner will sound a double high beep (75 ms beep - 25 ms silent - 75 ms beep).

When you select a menu item by pressing [E / yes / gps] key, the scanner will sound a single middle beep for 100 ms.

Or, when you return to a previous menu by pressing [MENU] key, the scanner will sound a double middle beep (75 ms beep - 25 ms silent - 75 ms beep).

Editing a name or a frequency etc

When you select letters, the scanner sounds a single high beep for every click of the [Scroll Control] knob.

When you move the cursor from the left to the right, the scanner will sound a single middle beep (100 ms). Or, when you move the cursor from the right to the left, the scanner will sound a double middle beep (75 ms beep - 25 ms silent - 75 ms beep).

If you store data by pressing [E / yes / gps], the scanner sounds the Exec Tone.

Alert in Scanner Mode

You can select channel or frequency alert from Alert1-9 in Menu by "Set Alert" and "Emergency Alert".

Each alert has a unique pattern of tones.

Alert in GPS Mode

Alert for Point Of Interest

You can select a location alert from Alert 1 to Alert 4 in Menu. Each alert provides a unique pattern of tones.

Alert for Dangerous Xing

The alert for Dangerous Xing is a fixed three-tone sequence.

Alert for Dangerous Road

The alert for Dangerous Road is a fixed five-tone sequence.

Battery Low Tone

At the low battery voltage level, the scanner will sound a single low beep (100 ms) every 15 seconds.

Thursday, November 20, 2008	24

Operation

NOTE: Valid keys for the "Press Any Key" prompt are all keys except for [ / / ]. Pressing [ / / ] always turns on or off the backlight. And specially, pressing [L/O] cancels the prompt and exit from any Menu and so on immediately.

Power On

Press [ / / ] for 1 second to turn on the scanner.

The scanner displays the opening screen and the copyright notice, and finally goes to the LAST MODE. The last select GPS Display mode is also backed up.

Notes on the Last Mode:

LAST MODE means the mode when the scanner is turned off. It resumes Scan Mode, Custom/Service/Quick Search Mode, Weather Mode, Close Call Only, Tone-Out Mode, each Hold Mode, GPS Mode and Band Scope Mode for LAST MODE.

In ID Search Hold Mode if ID has already been registered, LAST MODE will be ID Search Hold Mode. If ID has not been registered yet, LAST MODE will be Scan Mode.

Review Location Mode is set to normal Scanner Mode (not GPS Mode).

Uni den Bearcat BC346XT Trunki ng Dynami c Scanni ng

Opening Screen

Copyri ght 2009 Uni den Ameri ca Corp. All Ri ghts Reserved.

Thursday, November 20, 2008	25

Volume and Squelch Control

Volume and Squelch can be adjusted by rotating the [Scroll Control] in the following modes: Scan Mode, Scan Hold Mode, Search Mode, Search Hold Mode, Tone-Out Mode, Weather Scan Mode, Close Call Only Mode, Band Scope Mode, Band Scope Hold Mode.

Volume Adjust Mode

To adjust the volume level, press [Scroll Control]. When the volume level indicator appears, rotate [Scroll Control] to change the volume level.

You can set the volume level from 0 to 15.

Press [Scroll Control] again or wait for 10 seconds to quit from the volume level control mode.

Squelch Adjust Mode

To adjust the squelch level, press [Function] + [Scroll Control]. When the squelch level indicator appears, rotate [Scroll Control] to change the squelch level.

The squelch level can set from 0 to 15.

Press [Scroll Control] key again or wait for 10 seconds to quit from the squelch level control mode.

Thursday, November 20, 2008	26

Menu Mode

General Operations

Key Operation

To enter the Menu Mode: Press [Menu]

To select a Menu item: Turn [Scroll Control]

To select a Menu item or input data: Press [E / yes / gps] or tap the [Scroll Control]

To Return to the previous: Press [Menu]

To exit from Menu Mode:

Press [Scan / srch] to go to Scan Mode

Press [Hold / ] to go to Scan Hold Mode

Press [Menu] at Top Menu to return to previous mode

Press [L/O] to exit Menu and return to previous mode

Notes:

Tapping the [Scroll Control] can be used instead of [E / yes / gps] in Menu Mode or at various prompts.

Next item is a lower item in this document. Therefore, the next item of the lowest Item is highest item.

Menu items are described as the bold letter in this specification.

Display Format in Menu Mode

The Menu Item screen is four-line mode.

The first line displays the Menu Item Name and the selection items are displayed below. For example, the Menu display of a channel modulation setting is as follows.

Set Modulati on

Auto

NFM

Select an item by turning [Scroll Control] until the item is highlighted, then pressing [E / yes / gps].

Thursday, November 20, 2008	27

Edit Name

The editing cursor is displayed. Turn [Scroll Control] to choose the character and the cursor stays at the highlighted position.

Press [4 / LEFT / ifx] to move the cursor to the left and [6 / RIGHT / disp] to move it to the right. Press [. / no / pri] once to erase one character with the cursor. Press it twice to erase all characters.

If the inputted name exists already in the same category, the scanner beeps Confirmation Tone and displays "Name Exists" and "Accept? (Y/N)".

By “Same category” we mean:

A system name is the same as a service search range name, custom search range name or other system name.

A group name is the same as another group name in the same system.

A channel name is the same as another channel name in the same group.

A custom search range name is the same as a system name, service search range name or other custom search range name.

A SAME name is the same as another SAME name.

A Tone-Out name is the same as another Tone-Out name.

Name Exi sts

Accept? (Y/N)

Press [E / yes / gps] to ignore the message and set the name. Then it proceeds to next step. Press [. / no / pri] to return to the name editing state.

Note: If the user name has no character, the scanner prompts "Set Default Name" and "OK? (Y/N)".

Set Default Name

OK? (Y/N)

Press [E / yes / gps] to set Name to the default name. Press [. / no / pri] to return to name editing.

Thursday, November 20, 2008	28

Edit Frequency and Set Tone

The editing cursor is displayed.

Press a number key to enter each digit and press the decimal key to input a decimal point.

The cursor moves to the left or the right by turning [Scroll Control] knob.

If you press the decimal key when a decimal point is already entered, the frequency data is cleared and the editing cursor moves to the first position.

The stored frequency is determined by the following:

The entered frequency is stored if it can be divided by a valid step.

If it cannot be divided by a valid step, the scanner stores the nearer frequency at a frequency of 5kHz step or a frequency of 6.25kHz step. So, you must input the correct frequency to store a frequency of 7.5 kHz step or 8.33 kHz step. (See: Band Coverage)

If the frequency is out of the range in Band Coverage, the scanner displays "Out of Band", “Press Any Key” and sounds an Error Tone. Press any key to return to editing mode.

Out of Band

Press Any Key

For Channel Frequencies in conventional System, if the entered frequency is already stored into the same Group, it displays "Frequency Exists" “Accept? (Y/N)” and sounds a Confirmation Tone. Press [E / yes / gps] to ignore message and proceed to next step. Or press [. / no / pri] to return to the editing mode.

Frequency Exi sts

Accept? (Y/N)

Edit Talk Group ID

Decimal TGID edit

The editing cursor is displayed.

Press a number key to enter the TGID and press the decimal key to enter a hyphen. The cursor moves to the right by entering a number or hyphen.

Press the decimal key first to set "i" for I-Call entries. Then press the number keys to enter the I-Call ID.

Turn the [Scroll Control] to move the cursor position from left end to next to right end character, or from left end to right end character when you have already entered the maximum length.

Thursday, November 20, 2008	29

Hexadecimal TGID edit

Turn the [Scroll Control] to select Hexadecimal characters from “0” to “F”,

Press [4 / LEFT / ifx] to move the cursor left or press [6 / RIGHT / disp] to move cursor right.

Press [E / yes / gps] to set the Hex ID.

Note: You can change the TGID format in Set ID Format (DEC/HEX)

If you press the decimal key when there are already an acceptable number of hyphens, the TGID is cleared and the editing cursor moves to the first position.

Note: For details of TGID formats, please see: TGID FORMAT FOR TRUNKED SYSTEM.

If the entered TGID is invalid, the scanner beeps an Error Tone and displays "Bad TGID".

Press any key to return to the editing mode.

Bad TGI D

Press Any Key

Notice of Location Data Input

Use WGS84 (World Geodetic System 1984) for latitude and longitude input.

The acceptable range of latitude and longitude is as follows.

	Latitude	: 90º00'00.00 S - 00º00'00.00 N - 90º00'00.00 N
	Longitude	: 180º00'00.00 E - 000º00'00.00 W - 180º00'00.00 W

The actual navigation distance may differ from the calculated one when a latitude exceeding 85 degrees (either North or South) is used.

Error Messages

If the scanner tries to create a new System/Location/Site/Group/Channel/TGID when it is already at the limit of System/Group/Channel, it displays “Over Limit”. (See: Memory Architecture)

If the scanner tries to create a new System/Location/Site/Group/Channel/TGID when the memory is full, it displays “Memory Full”.

If the scanner tries to create a new System/Location/Site/Group/Channel/TGID when the memory is broken, it displays “Memory Error”. When the scanner displays this message, you must initialize the memory by pressing [2 / sr2] + [9 / mod] + [Hold / ] while turning on the scanner. The scanner has a repair fault if this does not correct the problem.

Thursday, November 20, 2008	30

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