Page 2 - DO NOT; SAFETY TRAINING INFORMATION
i Your Icom radio generates RF electromagneticenergy during transmit mode. This radio is de-signed for and classified as “Occupational UseOnly”, meaning it must be used only during thecourse of employment by individuals aware of thehazards, and the ways to minimize such hazards. This radio is NOT in...
Page 3 - ii; Electromagnetic Interference/Compatibility; operate the transmitter in areas that are
ii this radio by the manufacturer or an antenna specifically authorizedby the manufacturer for use with this radio. • DO NOT transmit for more than 50% of total radio use time (“50% duty cycle”). Transmitting more than 50% of the time can causeFCC RF exposure compliance requirements to be exceeded. ...
Page 4 - iii; *Repeater use may require a subscription.
iii Your Icom F21GM operates on GMRS frequencies (Plus 7channels shared with FRS ). GENERAL MOBILE RADIO SERVICE (GMRS) GMRS is a two-way personal radio service available to an individual(one man or one woman) to facilitate the activities of the individ-ual's immediate family members. GMRS is not au...
Page 5 - iv
Page 6 - Changes or modifications to this transceiver, not
v FOREWORD Thank you for purchasing the IC-F21GM FM transceiver. READ ALL INSTRUCTIONS carefully and completely before using the transceiver. SAVE THIS INSTRUCTION MANUAL– This instruction manual contains important operating instructions for the transceiver. IMPORTANT R CAUTION! NEVER hold the trans...
Page 7 - TABLE OF CONTENTS; ‘ Charging NOTE
vi TABLE OF CONTENTS SAFETY TRAINING INFORMATION . . . . . . . . . . . . . . . . . . . .i-iiABOUT GMRS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iiiFOREWORD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vIMPORTANT . . . . . . . . . . . . ...
Page 8 - PANEL DESCRIPTION; connectors; Speaker; Mic UP
1 PANEL DESCRIPTION 1 ‘ ‘ Switches, controls, keys and connectors y u Speaker Mic w e r t q i SP MIC CH1 ↔ CH16 Mic UP Mic A Mic Down Mic B • HM-75A (OPTION)
Page 9 - ANTENNA CONNECTOR
Mic Up Push and hold to open the noise/tone squelch. Mic Down Same as [W/N] key. (p. 22) Mic A Push to start/stop scan function. (P. 22) Mic B Push several times to select output power; Low1, Low2 and High. (p. 13) 2 1 PANEL DESCRIPTION q CHANNEL SELECTOR/SW [CH] (p. 14) Turn to select CH1 to CH16. ...
Page 10 - LED indicator; • TX: Turns Red while transmitting a signal.
‘ ‘ LED indicator The TX/RX indicator LED indicates informa-tion in several ways as follows;(Ref.; R=Red, G=Green) PANEL DESCRIPTION 1 3 R R R R R R R R R R R R G R G G G • TX: Turns Red while transmitting a signal. • RX: Turns Green while receiving a signal. • Low BATT1: You should charge the batte...
Page 11 - ACCESSORIES; Accessory attachment; Supplied accessories; The transceiver comes supplied with the following accessories.; Antenna; Attach the belt clip to the transceiver as illustrated below.
2 ACCESSORIES 4 ‘ ‘ Accessory attachment D Supplied accessories The transceiver comes supplied with the following accessories. q Flexible antenna w Belt clip D Antenna The antenna screws onto the transceiver asillustrated at right. D Belt clip Attach the belt clip to the transceiver as illustrated b...
Page 12 - Battery pack replacement; Before replacing the battery pack, the volume control; MUST; • Push the battery release for-; BATTERY PACKS
5 3 BATTERY PACKS ‘ ‘ Battery pack replacement Before replacing the battery pack, the volume control MUST be ro- tated fully counterclockwise,until a click is heard, to turn the power OFF . • Push the battery release for- ward, then pull the batterypack upward with the trans-ceiver facing you. D D B...
Page 13 - Battery cautions
6 3 BATTERY PACKS ‘ ‘ Battery cautions • CAUTION! NEVER short the terminals of the battery pack (or charging terminals of the transceiver). Also, current may flow intonearby metal objects such as a necklace, so be careful when plac-ing battery packs (or the transceiver) in handbags, etc. Simply carr...
Page 14 - Battery charging
7 3 BATTERY PACKS ‘ ‘ Battery charging D Rapid charging with the BC-144+AD-99 The optional BC-144 provides rapid charging of optional batterypacks.The following are additionally required:• One AD-99 (depends on version.).• An AC adaptor (may be supplied with the BC-144 depending on version). AC adap...
Page 15 - • Be sure to attach the
8 3 BATTERY PACKS D Rapid charging with the BC-144+AD-99 D D Spacer combination. • Be sure to attach the spacer (Spacer B/C) tothe adaptor (Spacer A)with the orientation as il-lustrated in the diagram atright. • Attach the spacer (Spacer B/C) to the adap-tor with the orientation of the stamp “ ” poi...
Page 16 - Regular charging with the BC-146
9 3 BATTERY PACKS D Rapid charging with the BC-121+AD-94 (#11) The optional BC-121 allows up to 6 battery packs to be charged si-multaneously. The following are additionally required.• Six AD-94 (#11) (Some versions require additional AD-99s).• An AC adaptor (may be supplied with the BC-121 dependin...
Page 17 - Charging NOTE; NEVER; use other manufacturers’ chargers.; Avoid overcharging; –batteries must be removed from the charger; Battery pack life
10 3 BATTERY PACKS ‘ ‘ Charging NOTE Prior to using the transceiver for the first time, the battery pack mustbe fully charged for optimum life and operation.• Recommended temperature range for charging: +10°C to +40°C (50°F to 140°F). • Use the supplied charger or optional charger (BC-119/BC-121/BC-...
Page 19 - SET MODE; Set mode; CTCSS FIND
12 4 SET MODE ‘ ‘ Set mode Set mode is used for programming infrequently changed values orconditions of functions.• All settings performed with [CH selector], [OFF/VOL], [MONI], [PTT] and [W/N] keys. D D SELECTING RF OUTPUTPOWER The RF output can be selectedfrom one of 3 modes. (p. 13) D D SETTING T...
Page 20 - SELECTING RF OUTPUT POWER; Turn CH selector knob to select the desired channel.
13 2 CHAPTER CONTINUED D D SELECTING RF OUTPUT POWER The transceiver has 3 output power levels to suit your operating re-quirements. Low out put power settings during short-distance com-munications may reduce the possibility of interference to otherstations, and will reduce current consumption. q Wh...
Page 21 - Auto Scan; Note; Frequency channel list; : Simplex operation/Duplex receive frequency
14 2 CHAPTER CONTINUED No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Rx/Tx Freq.* 1 462.5500 462.5750 462.6000 462.6250 462.6500 462.6750 462.7000 462.7250 462.5625 462.5875 462.6125 462.6375 462.6625 462.6875 462.7125 Auto Scan Wide/Narrow Narrow Narrow Narrow Narrow Narrow Narrow Narrow Narrow Narrow...
Page 22 - SETTING THE CTCSS TONE FREQUENCY; Push [PTT] twice to choose the 10 digit of the desired channel.
15 4 SET MODE D D SETTING THE CTCSS TONE FREQUENCY This transceiver is equipped with 52 CTCSS codes. (See right.)CTCSS operation provides communication with silent standby sinceyou will only receive calls from group members using the sameCTCSS number.You can assign different numbers to CH 1 to CH 15...
Page 23 - OFF; • CTCSS tone code list
16 4 SET MODE No. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Freq.* OFF 67.0 69.3 71.0 71.9 74.4 77.0 79.7 82.5 85.4 88.5 91.5 94.8 97.4 100.0 103.5 No. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Freq.* 107.2 110.9 114.8 118.8 123.0 127.3 131.8 136.5 141.3 146.2 151.4 156.7 159.8 162.2 165.5 167.9 N...
Page 24 - SETTING THE CTCSS TONE FREQUENCY (continued); SETTING THE DTCS CODE
17 4 SET MODE D D SETTING THE CTCSS TONE FREQUENCY (continued) • CTCSS confirmation beep ● ; Single beep ; Long beep Push [PTT] no 1 (Once) 2 (Twice) 3 (Third) 4 (Fourth) Confirmation beep ●●●●●●●●●●● Push [PTT] 5 (Fifth) 6 (Sixth) 7 (Seventh) 8 (eighth) 9 (ninth) Confirmation beep ●●●●● ●●●●●●●●●● ...
Page 25 - • DTCS code list; Inverse; Push [PTT] six times to choose the 10 digit of the code number.
• DTCS code list 4 SET MODE 18 023025026031032043047051054065 071072073074 114115116 125131132 134143152155156162165172174205 223226243244245251261263265271 306 311 315331343346351364365371 411 412413423431432445464465466 734743754 631632654662664703712723731732 503506516532546565606612624627 • Conf...
Page 26 - ‘CTCSS FIND’ stops when the tone signal is detected.
19 4 SET MODE D D CTCSS FIND This transceiver can detect the CTCSS tone frequency in the re-ceived signal. By monitoring a signal that is being transmitted fromthe other station, you can determine the tone frequency required tocommunicate with them.This function very useful when you are going to com...
Page 27 - OPERATION; Receiving and transmitting; Transmitting without an antenna may damage the trans-
20 5 OPERATION ‘ ‘ Receiving and transmitting NOTE: Transmitting without an antenna may damage the trans- ceiver. See p.4 for antenna attachment.Turn power ON as described on p. 2. Program the SIMPLEX/DUPLEX OPERATION and CTCSS/DTCS tone number (select CH 0 if you will not use the CTCSSfunction) bef...
Page 28 - MONITOR AUDIBLE FUNCTION; lect the audible condition.; POWER SAVE FUNCTION; • The power save function is automatically turned ON when no
OPERATION 21 5 D D MONITOR AUDIBLE FUNCTION The monitor function allows you to open the transceiver’s squelchmanually to check whether a channel is busy or not. The trans-ceiver has 2 conditions for receive standby: Audible condition: This condition mutes audio ONLY whenno carrier is present. You ca...
Page 29 - Setting squelch level; • Squelch level will be fixed after 1 sec.; Auto scan function; Turn the CH select knob to CH 16. Scan starts automatically.; Wide/Narrow selection
22 5 OPERATION ‘ ‘ Setting squelch level The squelch circuit mutes the received audio signal depending onthe signal strength. Scan proceeds in sequence from lower channelto higher channel numbers. q While pushing [PTT] and [W/N], turn the transceiver’s power onto enter the squelch adjustment mode. w...
Page 30 - OPTION; Options; BATTERY CASE; CHARGER; CHARGER ADAPTOR
23 6 OPTION ‘ ‘ Options D D BATTERY PACKS • BP-208 BATTERY CASE Allows a set of Alkaline batteries to operate the handheld whencharging the rechargeable battery or in emergencies, etc. 6 AA(R6) cells are required. • BP-209 Ni-Cd BATTERY PACK 7.2 V/1100 mAh Ni-Cd battery pack, allows more than 8 hour...
Page 31 - OTHER OPTIONS
24 6 OPTION D D OTHER OPTIONS • HM-46L/HM-75A/HM-131L SPEAKER-MICROPHONES Combination speaker-microphone that provides convenient oper-ation while hanging the transceiver from your belt.HM-75A has programmable function key Mic Up, Mic Down, MicA, Mic B.HM-131L has moisture proof construction. • HS-5...
