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Tyco Electronics MM102014V1 5.18 DUAL-TONE MULTI-FREQUENCY KEYPAD

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MM102014V1, Rev. G

5.18 DUAL-TONE MULTI-FREQUENCY KEYPAD

Dual-Tone Multi-Frequency (DTMF) is the system used by touch-tone telephones. DTMF assigns a

specific tone frequency to each key so a microprocessor can easily identify its activation. The radio

supports DTMF using a microphone with an alphanumeric keypad (see Figure 5-6). This allows for

specific tasks such as entering a user ID and password, or selective calling.

When a key on the DTMF keypad is pressed, a single low-pitched tone will be heard from the

microphone. The key tones are not adjustable.

Although the “Q” is not shown on the 7 key and the “Z” is not shown on the 9 key of the

DTMF keypad, both letters are supported by the system. To enter a “Q” from the keypad,

press the 7 key 3 times (7, P, Q). To enter a “Z” from the keypad, press the 9 key 5 times.

Because the Q and Z are recognized by the system, the number of presses required to

enter other characters from those keys may be different. For instance, 5 key presses are

required to enter an “S” using the 7 key (7, P, Q, R, S).

If the key is pressed too many times, continue pressing the key to scroll through the

remaining characters and returning to the first character. Remember to consider the

characters not shown on the keys.

Figure 5-6: DTMF Microphone Keypad

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Contents

Main M-803 MM102014V1, Rev. G Page Page Page 1 REGULATORY AND SAFETY INFORMATION 2 SAFETY INFORMATION 2.1 OCCUPATIONAL SAFETY GUIDELINES AND SAFETY TRAINING INFORMATION 2.2 COMMON HAZARDS MM102014V1, Rev. G 3 PRODUCT DESCRIPTION 3.1 VOICE OPERATION 3.2 DATA OPERATION 3.3 REMOTE CONTROL HEAD OPERATION 3.4 INTERCOM OPERATION 3.5 V-TAC OPERATION 3.6 PERSONALITY 3.6.1 Profiles 3.6.2 Talk Groups 3.7 GPS OPTION 3.8 FRONT PANEL 3.9 M-803 REAR PANEL MM102014V1, Rev. G 3.10 CONTROL HEAD REAR PANEL 3.11 V-TAC REAR PANEL 4 BASIC OPERATION 4.1 FRONT PANEL COMPONENTS OVERVIEW Table 4-1: Front Panel Controls and Functions 4.2 DISPLAY OVERVIEW Page MM102014V1, Rev. G 4.2.5 Dwell Display MM102014V1, Rev. G Table 4-3: Basic Menu Structure 21 Use (up arrow) and (down arrow) to scroll through menus. 4.2.6 Menu Display and Control Area MM102014V1, Rev. G 4.2.7 Dwell Display User-Selectable 4.3 ADJUSTING DISPLAY & BUTTON BACKLIGHT BRIGHTNESS 4.4 STEALTH MODE 4.5 ADJUSTING SIDE TONE AUDIO LEVEL 4.6 CHANGE OPERATING MODE 5 BASIC OPERATION IN OTP MODE 5.1 TURNING THE RADIO ON 5.2 SELF-TEST 5.3 LOGGING IN TO THE NETWORK 5.4 LOGGING OFF THE NETWORK 5.5 TURNING THE RADIO OFF MM102014V1, Rev. G 5.6 RECEIVING AND TRANSMITTING VOICE CALLS 5.6.1 Receiving a Voice Call 5.6.2 Transmitting a Voice Call 5.7 RADIO TONES Page 5.8 ADJUSTING SPEAKER/HEADSET AUDIO TREBLE LEVEL 5.9 CHECKING OR CHANGING THE ACTIVE PROFILE 5.10 CHECKING OR CHANGING THE SELECTED TALK GROUP 5.11 INTERCOM MODE 5.12 TALK GROUP LOCK OUT MM102014V1, Rev. G 5.12.1 Locking Out a Talk Group 5.12.2 Unlocking a Talk Group MM102014V1, Rev. G 5.12.3 Caution Regarding Profile Changes 5.13 SCAN MODE MM102014V1, Rev. G 5.13.1 Checking or Changing Active Scan Mode MM102014V1, Rev. G 5.13.2 Changing Priority Talk Group 5.14 SELECTIVE CALL MM102014V1, Rev. G 5.14.1 Making a Selective Call 5.14.2 Receiving a Selective Call 5.15 SELECTIVE ALERT MM102014V1, Rev. G 5.15.1 Sending Selective Alert Messages MM102014V1, Rev. G 5.15.2 Receiving Selective Alert Messages 5.15.3 Defining Pre-Programmed Messages 5.16 TELEPHONE INTERCONNECT CALLS MM102014V1, Rev. G 5.17 EMERGENCY COMMUNICATIONS 5.17.1 Declaring an Emergency Call or Alert MM102014V1, Rev. G 5.17.2 Silent Emergency 5.17.3 Clearing an Emergency Call or Alert 5.17.4 Receiving an Emergency Call MM102014V1, Rev. G 5.17.5 Dismissing an Emergency Call 5.18 DUAL-TONE MULTI-FREQUENCY KEYPAD MM102014V1, Rev. G 5.18.1 Password Entry MM102014V1, Rev. G 5.18.2 DTMF Overdial 5.19 ENCRYPTION 5.19.1 Automatic Encryption 5.19.2 Manual Encryption 5.20 PRESET BUTTONS 5.21 DYNAMIC REGROUPING 5.22 GPS COORDINATES 5.23 V-TAC FUNCTIONS MM102014V1, Rev. G 5.23.1 Extended Coverage Modes (XCOV & XCOV-TG) Page MM102014V1, Rev. G 5.23.2 V-TAC GPS Interlock MM102014V1, Rev. G 5.23.3 Scene-Of-Incident Mode (SOI) MM102014V1, Rev. G 5.23.4 Mobile-Only Mode (Mobile) 5.23.5 Manually Changing V-TAC Mode 5.23.6 Displaying V-TAC Information MM102014V1, Rev. G 5.24 ENGINEERING DISPLAY 5.24.1 Voice and Data Registration Codes 5.24.2 Transceiver Status Page 5.25 RECEIVE SIGNAL STRENGTH INDICATION (RSSI) 5.26 CONTROL BLOCK SYMBOL ERROR RATE (CBSER) 6 BASIC OPERATION IN OCF MODE 6.1 TURNING THE RADIO ON 6.2 TURNING THE RADIO OFF 6.3 PRESET BUTTONS 6.4 SQUELCH 6.5 SELECT MONITOR MODE MM102014V1, Rev. G 6.5.1 Setting Monitor Mode 6.5.2 Duration of Monitor Mode Selections 6.6 GROUP CALLS IN P25 (DIGITAL) MODE 6.7 EMERGENCY GROUP CALLS IN P25 MODE 7 BASIC TROUBLESHOOTING Page 8 WARRANTY