User manual ICOM IC-40GX

[. . . ] 20) In addition, a manual transponder is also available for "GROUP MODE" operation to check availability of stations in a specified group within the operating range. In this case, the transceiver alerts you via beeps. 12) i I WATER-RESISTANT* CONSTRUCTION Water-resistant* construction is employed, and this unit can be used in a wide range of applications. *Meets JIS water-protection specification grade 4. I GROUP MODE (BUILT-IN CTCSS: Continuous Tone Coded Squelch System) CTCSS encoder/decoder are standard, providing quiet stand-by. [. . . ] 14) u POWER SWITCH [PWR] Push to turn the power ON. Push and hold this key to toggle the key lock function ON/OFF. 6) Connects the optional AC adapter or cigarette lighter cable for both operation and battery charging. 3 2 PANEL DESCRIPTION I Function display qw e !0 r t oi u y q KEY LOCK INDICATOR Appears during the key lock function ON. w BUSY INDICATOR Appears while receiving a signal or when the squelch is open. e VOICE SCRAMBLER INDICATOR Appears while the voice scrambler function is in use. r AUTO POWER OFF INDICATOR Appears while the auto power off function is ON. t LOW BATTERY INDICATOR Appears or blinks when the battery decreases to a specified level. y GROUP NUMBER INDICATOR Indicates the selected group number during the group function ON. u CHANNEL NUMBER INDICATOR Indicates the selected operating channel number. i POWER ON INDICATOR Appears while the power is ON. o ANSWER BACK INDICATOR Appears when you and your group are in the conversation area. *NOTE: Put the Ni-Cd battery adapter into the AD-105 rear slot when the BP-202 is attached to the transceiver. * AD-105 BC-119N NOT used: Fix the 3-pin connector to the bottom of the charger with the adhesive tape, etc. , to prevent catching or touching the 3-pin connector's terminals with the adapter's leads, etc. 7 AC adapter I Power ON Push [PWR] for 1 sec. to turn the power ON. · " " and operating channel number appear on the display. 4 BASIC OPERATION [PWR] I Adjusting the volume q Push and hold [MODE] for [VOL] 1 sec. to open the squelch (monitor function ON). · " " indicator appears on the disAppears play while the squelch is open. w Adjust the audio to a suitable level using [VOL]. [MODE] What is squelch? A squelch circuit allows muting of undesired noise while receiving no signal and emit audio while receiving signals. The [MODE] key changes the squelch setting. This is useful to listen to weak signals that do not open the squelch. 8 BASIC OPERATION 4 I Selecting the operating channel Push [Y] or [Z] keys several times until the desired operating channel number appears on the display. · While pushing and holding [Y] or [Z] keys, the displayed channel changes continuously until channel number "1" appears. First of all, set the same group code number for all group member's transceivers. To turn ON the group mode operation: q Push [MODE] to enter set mode. · "- - -" (group mode OFF) appears on the display. 6 GROUP MODE (CTCSS) w Push [Y] or [Z] to select the de- [MODE] sired code number. [Y] e Push [MODE] twice to set the group code number and exit set [Z] mode. [. . . ] A called party automatically sends an answer back signal without any presettings. All IC-40GX's operating on the same operating channel will answer back to the call in the surroundings communications area. ` Resetting the transceiver Initialize the operating conditions before using the transceiver for the first time, or if the function display shows erroneous information. While pushing [Z] and [MODE], push [PWR] for 1 sec. CAUTION: Resetting the transceiver returns all settings to [Z] their defaults. 20 [MODE] OTHER FUNCTIONS 9 I Optional HM-75A functions The optional HM-75A allows remotely selected operating channels, open the squelch, etc. [. . . ]