Codan Envoy - Reducing Background Noise with Easitalk

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OPERATING THE TRANSCEIVER

REDUCING BACKGROUND NOISE WITH EASITALK™

68 E

NVOY™ TRANSCEIVER REFERENCE MANUAL

Reducing background noise with Easitalk™

The Easitalk™ feature enables you to reduce the level of background noise that is

present when you listen to a channel.

NOTE: Easitalk™ uses one of three DSP algorithms to reduce the background

noise. Depending on the conditions, you may need to change the

algorithm in Settings > Configuration > General > Easitalk

Mode.

To switch Easitalk™ on or off:

1 Press EASITALK.

The new status is shown briefly in a pop-up, then you are returned to the screen

that you were on previously.

Related links:

Easitalk Mode on page 220

Main Page

Default Chapter3
- Table of Contents3
Introduction25
- Standards and Icons25
- The Envoy™ Transceiver26
Using the Wizard31
- Overview of the Wizard32
- Figure 6: Steps in the Wizard32
- Using the Wizard34
Operating the Transceiver46
- Switching the Transceiver on and off46
  - Switching on the Transceiver46
  - Switching off the Transceiver46
- The Channel Screen47
  - Figure 8: Channel Screen47
  - Figure 9: Scanning Screen48
  - Selecting a Channel49
  - Figure 10: Status Areas50
  - Selecting Information to be Shown in a Status Area50
  - Table 1: Information that May be Shown in the Status Areas50
  - Figure 11: Available Themes for the Display in the Control Point53
  - Selecting a Theme53
- Scanning Channels55
  - Switching Scanning on or off56
  - Pausing Scanning56
- Muting the Transceiver57
  - Switching Mute on or off57
  - Selecting the Mute Type58
- Using the Microphone59
- Manually Tuning the Antenna60
  - Selecting a Language61
  - Figure 12: Select Language Screen61
  - Setting the Time and Date62
- Setting the Brightness of the Display63
- Setting the Display Timeout64
  - Setting the Location of the Desk Console65
  - Figure 13: Connection between RFU and Desk Console Using65
  - Figure 14: Connection between RFU and Desk Console Using Ethernet Cables and Optional Switch66
- Calling67
  - Making a Call to a Contact67
  - Adding a Contact68
  - Making a Call from the Call History68
  - Making a Call from the Emergency Key69
  - General Calling70
  - Figure 15: Call Screen with Call Log70
  - Figure 16: Available Status Types for a Get Status Call in a Selcall83
- Using the Clarifier89
- Reducing Background Noise with Easitalk90
- Viewing Information about Your Transceiver91
  - Overview of Information in the Transceiver91
- Using GPS95
  - Overview of GPS95
  - Figure 17: GPS Screen95
  - Distance and Bearing96
  - Figure 18: Distance and Bearing96
  - Viewing GPS Information97
  - Table 2: GPS Information97
- Using Encryption99
  - Switching the Secure Feature on or off99
  - Selecting a Secure Key102
  - Changing the Privacy Code103
- Using a Crosspatch104
  - Overview of the 3031 Crosspatch104
  - Figure 19: Crosspatch Status104
  - Changing the Operating Mode of the Crosspatch105
- Upgrading the Transceiver Via a USB Stick106
- Entering a Password for an Option107
- Performing a Self-Test108
- Finding an RFU109
- Menu Structure112
- Figure 20: Typical Menu Screen112
- Figure 21: Menu Structure (Admin Level)113
- Navigating the Menu Structure114
- Figure 22: Navigation Indicator Showing Navigation Keys that114
- Overview of Basic and Advanced Views116
  - Basic View116
  - Advanced View116
  - Figure 23: Basic View (no Advanced View Indicator)116
  - Figure 24: Advanced View116
  - Switching between Basic and Advanced Views117
- Overview of User and Admin Levels118
  - User Level118
  - Admin Level118
  - Figure 25: User Level (no Admin Level Indicator)118
  - Figure 26: Admin Level118
  - Logging in to Admin Level119
  - Figure 27: Locked, Hidden and Advanced Indicators119
  - Logging out of Admin Level120
- Finding a Word or Value121
- Figure 28: Find Function121
- Selecting an Icon123
- Figure 29: Highlighted Icon123
- Selecting a Function from the Menu Bar124
- Figure 30: Functions on the Menu Bar124
- Entering Text in a Field125
  - Figure 31: Example of an Editable Text Field125
  - Figure 32: Character-Entry Mode Indicator126
  - Table 3: Character-Entry Mode126
  - Entering a Special Character (2220/2230)127
- Entering Text with the 2221 Handset128
- Selecting a Value from a List129
- Figure 33: List of Entries, with and Without Focus129
- Selecting/Deselecting a Check Box130
- Figure 34: Entry with a Check Box130
- Moving a Slider131
- Figure 35: a Slider Value131
- Changing the Order of Items in a List132
- Saving Your Changes133
- Figure 36: Screen that Has Changes to be Saved133
Structure of Information135
- Structure of User Information136
- Structure of Contact and Call Information137
- Figure 38: Structure of Call Information for a Contact in the137
Channels139
- Overview of Channels140
- Figure 39: Information for a Channel140
- Entries for a Channel141
- Working with Channels145
Scan Tables150
- Overview of Scan Tables150
- Figure 41: Information for a Scan Table151
- Entries for a Scan Table152
- Working with Scan Tables155
HF Networks162
- Overview of HF Networks162
- Figure 42: Information for an HF Network162
- Entries for an HF Network164
- Working with HF Networks169
Phone Links174
- Overview of Phone Links174
- Figure 43: Information for a Phone Link174
- Entries for a Phone Link175
- Working with Phone Links176
  - Adding a Phone Link176
Contacts179
- Overview of Contacts180
  - Figure 44: Information for a Contact180
  - Chain Call181
- Entries for a Contact182
- Working with Contacts185
Nets197
- Overview of Nets198
- Figure 46: Information for a NET198
- Entries for a NET200
- Working with Nets205
- Overview of Messages210
- Entering a Message211
Peripherals213
- Overview of Peripherals214
- Table 5: Peripherals214
- Selecting an Antenna216
- Selecting a Peripheral Device217
- Selecting a Power Amplifier218
- Entries for a Peripheral219
Settings225
- Overview of Settings226
- Settings > Control Point > General227
  - Welcome Image227
  - Welcome Text228
  - USB User Access228
  - Channel Scroll228
  - Show Channel Frequency229
  - Frequency Format229
  - Call Key Options229
  - Night Display Brightness230
- Night Display Start230
- Night Display Stop230
- Local Welcome Text230
- Brightness231
- Custom Brightness231
- Auto DIM Time231
- Key Beeps231
- Beeps and Tones232
- Theme232
- Night Theme232
- Show Background Image232
- Logging233
- Logging Level233
- Settings > Control Point > Status Area234
  - Status Area 1234
  - Status Area 2234
  - Figure 47: Status Areas234
  - Status Area 3235
  - Status Area 4235
  - Status Area 5235
  - Status Area 6235
  - User-Defined Text 1235
  - User-Defined Text 2236
- Settings > Control Point > Time and Date237
  - Time Zone237
  - Daylight Saving237
  - Clock Type237
  - Time Format237
  - Date Format238
- Settings > Control Point > Console239
  - Console Location239
  - Internal Speaker239
  - Console PTT240
  - Foot-Switch PTT240
  - Console External Alarm240
  - Console Easitalk Start State240
- Settings > Configuration > General241
  - Admin PIN241
  - Noise Limiter241
  - Voice Detect Sensitivity242
  - Power down Timeout242
  - Power down Time242
  - Easitalk Mode242
  - RF Pre-Amp242
  - Tx Power243
  - Low Power243
  - Medium Power243
  - High Power244
  - Easitalk Start State244
  - Default Selcall244
  - Handset AGC244
  - Handset PTT Beep245
  - System Lock Override245
  - Morse Timeout245
  - PTT Timeout245
  - Units246
  - Abandon Mode246
  - Command Line246
  - RFU Logging246
- Settings > Configuration > Factory247
- Settings > Connectors > RFU 15Way248
  - RFU Secure Audio248
- Settings > Connectors > RFU 6Way249
  - RFU 6Way Speed249
- Settings > Scan250
  - Auto Resume Mode250
  - Auto Resume Time250
  - Scan Mute251
  - Scan Voice Extend251
  - Scan Voice Max Pause251
- Settings > Calling > General252
  - Call Types for Contacts252
  - Call Types for New Call253
  - Show Phone Link Address253
  - Emergency Call Alarm253
  - Message Call Alarm254
  - Selective Call Alarm254
  - External Alarm254
  - Alert Tones255
  - Call Status Time255
  - Chain Call Pause255
  - In Call Timeout256
  - LBT Mode256
  - LBT Period257
  - LBT Data Sensitivity257
  - LBT Waveform257
  - Respond GPS258
  - Respond OTA259
- Settings > Calling > ALE260
  - ALE LQA Average261
  - ALE LQA Decay261
  - ALE Site Manager262
  - Table 6: Values for the ALE Site Manager Entry263
  - ALE Accept ALL Call264
  - ALE Accept any Call264
  - ALE Accept Wildcard Call265
  - ALE AMD Position265
  - Ale Ber266
  - ALE Call Scan266
  - ALE Scan Cycles267
  - ALE Call Threshold267
  - ALE Call Weighting268
  - ALE Golay268
  - ALE Hangup ALL Call269
  - ALE Hangup Phone Call269
  - ALE Hangup Voice Call269
  - ALE LQA Exchange270
  - ALE LQA Mapping270
  - ALE Retries270
  - ALE Selective Message271
  - ALE Silent Mode271
  - ALE Soundings271
- Settings > GPS272
  - GPS Detection Timeout272
  - GPS Show Options272
  - GPS Format Options273
  - Table 7: GPS Formats273
  - My Position274
  - Table 8: Format of My Position Information274
- Settings > Audio275
  - Ring Sidetone Volume275
  - Call Sidetone Volume275
- Settings > Security276
  - CES-128 Mode276
  - Privacy Code276
  - Standby after Selcall277
  - Secure User Access277
  - General Options278
  - Secure Start State278
  - CES Options278
  - CES Key Prefix279
  - Digital Key Prefix279
  - Digital Voice Options279
  - Digital Mute Start State279
- Settings > Connectivity280
  - IP Address280
  - Alias280
  - Network Mask280
  - DHCP Client281
Access Rights283
- Overview of Access Rights284
Keys and Macros286
- Overview of the Keypad and Macros286
- Figure 48: Power and Emergency Keys286
- Figure 49: Navigation Keys286
- Figure 50: Alphanumeric Keys286
- Figure 51: Function Keys (Desk Console Only)286
- Keypad287
- Table 9: Keys and Their Function287
- Macros290
- Entries for a Macro291
- Working with Macros293
- Examples of Macros301
  - Creating a Macro to Toggle a Setting301
- Overview of Modes304
- Available Modes304
- Table 11: Modes304
Free Tune305
- Overview of Free Tune306
- Table 12: Amateur Band Frequencies306
- Selecting a Free-Tune Frequency307
- Adding a Channel in Free Tune309
IP Remote Control312
- Direct Ethernet Connection312
- Figure 53: Direct Ethernet Connection313
- LAN Connection314
- Figure 54: LAN Connection315
- Point-To-Point WAN Connection316
- Figure 55: Point-To-Point WAN Connection316
- Point-To-Multipoint/Multipoint-To-Point WAN Connection317
- Connection318
Data Options320
- Overview of Data Options320
- 2.4 Kbit/S Data Modem321
- MIL/STANAG 2G Data330
  - Typical MIL/STANAG 2G Data Station330
  - Figure 58: Envoy™ X2 Transceiver with MIL/STANAG 2G331
- Data331
  - Setting up the Serial Connection332
  - Sending Email Via RC50-C333
- G Data Call334
  - Rm50E HF Data Modem335
    - Typical Rm50E Data Station335
- Modem336
  - Sending Email Via RC50-C337
Encryption339
- Overview of Encryption340
- Using Encryption343
- Setting up Encryption352
- CIVS Voice Scrambler359
- CES-128 Voice Encryption362
- Specifications402
Appendix A Installation411
- Mobile Stations412
- Fixed Stations429
Appendix B LED Indications448
Appendix C HF Radio Transmission448
- HF Radio Transmission448
- Frequency, Distance and Time of Day450
- Channels, HF Networks and Scanning451
- Etiquette for the Use of HF Radio452
- Table 40: the Phonetic Alphabet453
Appendix D Call Types and Features456
- Call Types456
- ALE Address Syntax464
- Call Log471
- Figure 87: Call Log471
- Call History472
- Figure 88: Call History and Details472
- Figure 89: Last Heard Log473
- Last Heard Log473
- Group Calls in a Codan Selcall HF Network474
- Using Multiple Addresses for Calls in an ALE/CALM HF Network475
- Sending Recognised Keywords with a Call476
- Table 45: Recognised Keywords and Their Associated476
Appendix E Definitions480
- Acronyms and Abbreviations480
- Glossary483
- Units488
- Unit Multipliers489
- About this Issue490
Appendix F Compliance492
- Overview492
- European R&TTE Directive492
- EMC and Safety Notices494
- FCC Compliance497
  - FCC Part 90 Certification497
  - FCC Part 15 Compliance497
- IC Certification498
  - Product Markings and Labelling498
- RCM Approval498
Appendix G Licence Information500
- Open Source Components500

Codan Envoy - Reducing Background Noise with Easitalk

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