Setting the Ringer level ………………………… 5-4 Setting the microphone gain …………………… 5-5 Setting the squelch level ……………………… 5-6 Icom, Icom Inc. and the Icom logo are registered trademarks Setting the VOX function ……………………… 5-7 of Icom Incorporated (Japan) in Japan, the United States, Setting the VOX gain ……………………………...
PANEL DESCRIPTION Front, top and side panels ROTARY SELECTOR ROTARY ANTENNA Rotate to select the preset memory channels. CONNECTOR SELECTOR VOLUME VOLUME CONTROL [VOL] CONTROL [VOL] INDICATOR Rotate to turn the power ON or OFF and to adjust the [Emer] audio level.
PANEL DESCRIPTION LED indicator The LED indicator indicates the status of various parameters of the transceiver as follows: (Reference: R=Red, G=Green, O=Orange) • Transmitting • Receiving The following LED indicator patterns are repetitive. The following LED indicator patterns light only once. One cycle is approximately two seconds.
PANEL DESCRIPTION Programmable function keys The following functions can be assigned to [Emer], [Upper], and [Lower]. Consult your Icom dealer or system operator for details concerning your transceiver’s presetting. SCAN START/STOP LONE WORKER Push to start and cancel scanning operation.
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PANEL DESCRIPTION DTMF AUTODIAL ENCRYPTION Push to transmit the preset DTMF code. (only for the digital mode operation) Hold down for 1 second to turn ON the Encryption  function. CALL Push to turn OFF the Encryption function.  Push to transmit a 2-Tone or 5-Tone in the operating channel.
BASIC OPERATION Selecting a channel There are several types of channel selections. Methods may differ, depending on the presetting. Ask your dealer for details. NON-ZONE TYPE: To select the desired operating channel: Rotate [ROTARY SELECTOR]. Â Push one of [MR-CH 1] to [MR-CH 4]. Â...
BASIC OPERATION Receiving and transmitting NOTE: These functions and operations may or may not be available or different, depending on the presetting. Ask your dealer for preset information. Transmitting notes CAUTION: • Transmit inhibit function Attach an antenna before transmitting. The transceiver has several inhibit functions which Transmitting without an antenna may damage the restrict transmission under the following conditions: transceiver.
BASIC OPERATION Emergency call NOTE: This function and operations may or may not be available or different, depending on the presetting. Ask your dealer for preset information. When holding down [Emergency] for the set time NOTE: period, the transceiver enters the Emergency mode Depending on the presetting, the following then the countdown starts.
BASIC OPERATION About other Emergency calls NOTE: These functions and operations may or may not be available or different, depending on the presetting. Ask your dealer for preset information. Lone Worker Emergency call Motion Detection Emergency call When the Lone Worker function is ON, the transceiver When the acceleration sensor keeps detecting a enters the Emergency mode then the countdown for higher acceleration than the preset value for the set...
NXDN™ OPERATION NXDN™ operation The transceiver provides Icom Digital Advanced System (IDAS™) that meets the 6.25 kHz emission mask requirements for narrow banding, and increases efficiency of channel allocation and use of spectrum using the NXDN™ common air interface. NOTE: During the NXDN™...
NXDN™ OPERATION Receiving a call NOTE: These functions and operations may or may not be available or different, depending on the presetting. Ask your dealer for preset information. Receiving a Call Alert Receiving a Remote Monitor or Radio When a Call Alert is received: Check call Â...
NXDN™ OPERATION Transmitting a call NOTE: These functions and operations may or may not be available or different, depending on the presetting. Ask your dealer for preset information. Transmitting a Call Alert Transmitting a Status call Hold down [Call Alert]. A Status call can be transmitted by pushing [Status].
NXDN™ OPERATION About other Emergency calls NOTE: These functions and operations may or may not be available or different, depending on the presetting. Ask your dealer for preset information. Lone Worker Emergency call Motion Detection Emergency call When the Lone Worker function is ON, the transceiver When the acceleration sensor keeps detecting a enters the Emergency mode then the countdown for higher acceleration than the preset value for the set...
NXDN™ OPERATION Encryption function NOTE: This function and operations may or may not be available or different, depending on the presetting. Ask your dealer for preset information. The Encryption function enables voice scrambling, which provides a private digital communication between stations. Hold down [Encryption] for 1 second to turn ON the Encryption function.
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Section MDC 1200 SYSTEM OPERATION MDC 1200 system operation ..........4-2 Receiving a call ...............4-3 Receiving a PTT ID ...............4-3 Receiving an Emergency call ..........4-3 Receiving a Stun or Revive call ...........4-3 Transmitting a call ..............4-4 Transmitting a PTT ID ............4-4 ...
Radio Check, Stun, and Revive calls. An additional feature of the MDC 1200 system included in Icom transceivers is called aliasing. Each transceiver on the system has a unique ID number. Aliasing is a substitute for this ID number and you can set a ringer for each station ID.
MDC 1200 SYSTEM OPERATION Receiving a call NOTE: These functions and operations may or may not be available or different, depending on the presetting. Ask your dealer for preset information. Receiving a PTT ID When a PTT ID is received: • Beeps sound.
MDC 1200 SYSTEM OPERATION Transmitting a call NOTE: These functions and operations may or may not be available or different, depending on the presetting. Ask your dealer for preset information. Transmitting a PTT ID Push [PTT] to make a call. Beeps sound, depending on the presetting.
Section USER SETTINGS Setting the Beep function ............5-2 Setting the Beep level .............5-3 Setting the Ringer level ............5-4 Setting the microphone gain ..........5-5 Setting the squelch level ............5-6 Setting the VOX function ............5-7 Setting the VOX gain ...............5-8...
USER SETTINGS Setting the Beep function The Beep function can be turned ON or OFF. NOTE: You should turn ON the Beep function when you set the Beep level, the Ringer level, the microphone gain, the VOX function, the VOX gain and the squelch level.
USER SETTINGS Setting the Beep level The Beep level is adjustable between 1 and 5, or 1 (linked) and 5 (linked). When a Linked option is selected, the beep audio level is adjustable by rotating [VOL]. NOTE: You should turn ON the Beep function (p. 5-2) [ROTARY SELECTOR] [VOL] before you start setting the Beep level.
USER SETTINGS Setting the Ringer level The Ringer level can be adjusted between 1 and 5, or 1 (Linked) and 5 (Linked). When a Linked option is selected, the ringer audio level is adjustable by rotating [VOL]. NOTE: You should turn ON the Beep function (p. 5-2) [ROTARY SELECTOR] [VOL] before you start setting the Ringer level.
USER SETTINGS Setting the microphone gain Adjust the microphone gain. Higher values make the microphone more sensitive to the user voice. NOTE: You should turn ON the Beep function (p. 5-2) [ROTARY SELECTOR] [VOL] before you start setting the microphone gain. Rotate [VOL] to turn OFF the transceiver power.
USER SETTINGS Setting the squelch level The squelch circuit mutes the received audio signal, depending on the signal strength. NOTE: You should turn ON the Beep function (p. 5-2) [ROTARY SELECTOR] [VOL] before you start setting the squelch level. Rotate [VOL] to turn OFF the transceiver power. Set [ROTARY SELECTOR] to any channel other than Channel 16.
USER SETTINGS Setting the VOX function The VOX function can be turned ON or OFF. The VOX function automatically switches between receive and transmit during voice operation. NOTE: You should turn ON the Beep function (p. 5-2) [ROTARY SELECTOR] [VOL] before you start setting the VOX function.
USER SETTINGS Setting the VOX gain Adjust the VOX gain. Higher values make the VOX function more sensitive to the user voice. NOTE: You should turn ON the Beep function (p. 5-2) [ROTARY SELECTOR] [VOL] before you start setting the VOX gain. Rotate [VOL] to turn OFF the transceiver power.
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