SECTION U DESCRIPTION ) ) ; THE MOST COMPACT 220MHr MOBILE The smallest: 220MHz mobile available; the [C-374 measures Monty 38 millimeters high by 140 millimeters wide: As an added: bonus; the IC-37A. through ICON engineering, is able to contain an internal Speaker to provide ease of mounting and make the unit one small Compact complete package; HIGH OUTPUT POWER e such: incredibly: small ‘package, the 1-37A0is able 1o provide 25 watts of output power.
sl ) UNPACKING Carefully: remove your ‘transceiver from the packing carton and ‘examine it for signpost shipping damage. Should any. be apparent, notify the delivering carrier: or dealer: immediately; stating the full:extent of the damage.: 1t is recommended you keep the shipping cartons. In:the event storage, moving, or: reshipment becomes necessary, ‘they come in handy: Accessory hardware; cables et are packed with the transceiver, : Make sure you have not gverlookedianything.
MANTEGNA Tha Mot impotent sings iemihatwilkinfibencs the performances ol A Commutation {5 the attend. L ob Encephalitis, e mood i big AV gai saner Sexagenarian recommended. fixed or-mobile. In VHF a¢ wells the low bands, every watt of ERF makes some difference. Therefore, 26 watts average output plus 3dB of gain antenna equals B0 watts ERP; presuming low SWERVE of ‘course.
SECTION IV CONTROL FUNCTIONS FRONT PANEL RECEIVE INDICATOR TRANSMITTING: INDICATOR INFO INDICATOR DUPLEX INDICATOR MEMORY. CHANNEL DISPLAY: PRIORITY. INDICATOR ®SCAN: START/STOP BUTT! STONE INDICATOR TUNING RATE SWITCH 19 FREQUENCY: DISPLAY. GAVE SWITCH: VOLUME Control and POWER SWITCH MEMORABLY. BRE: POWER: SWITCH SWITCH introit @TUNING CONTROL: SEMITONE SELECT BUTTON Bimini UP BUTTON MIMIC CONNECTOR! MEMORY. WRITE/OFFSET, SQUELCH! CONTROL CHECK: BUTTON OFFSET WRITE/BUTTON PRIORITY.
SCAN SHORTSTOP BUTTON Standard Stops Bny ot theist functions: When depressing it 1o restart the scan it will stat Geom the memory: channel or frequency displayed. TUNING RATE SWITCH Selects the tuning frequency steps. When this switch is pushed in, ‘the frequency change sin SK Hz steps: by turning the TUNING: CONTROL:: When the switch in: the out position; the frequency changes in HIKE steps; MHz UP BUTTON Each push increases the frequency in 1Mz steps.: The lower digits will not sangs.
When: receiving on:a frequency with' 2 memory channel by ‘pushing the priority button the receiving frequency will 60 to the \VED frequency: previously S8t for a moment every five seconds. SQUELCH CONTROL Turning this control clockwise: sets the squelch threshold higher.: To turn OFF the squelch furrier, turn this control completely counterclockwise. VOLUME CONTROL and POWER SWITCH When: the control is: turned completely: counterclockwise; the power-is: OFR.
24, DUPLEX INDICATOR Assassinates whee the sites i the DUPLEX mode. DUPE shows: the transmit: frequency. will be blow the receive frequency. and "RUDE shows the transmit frequency will be above. the receive frequency. 25, TONE INDICATOR Inseminate when the sub audible tone encoder is activated. When the selected tone number is 007, the tone encoder is turned off and this indicator does not illuminate.
UNDER THE ACCESS COVER CPU RESET BITCH GD SCAN-STOR: TIMER: SWITCH OBVERSE-SCAN MODE BITCH TOSCANINI UNCTION SWITCH TRANSISTOR INTERVAL SWITCH SCAN SPEED SWITCH 29, CPU RESET SWITCH Resets the CPU into the initial condition. 'If the CPU seems abnormal, push this switch while the power is ON,and the CPU will be reset. SCAN SPEED SWITCH i Switches the scanning sped in any: scan mode. Place the switch 1o the desired speed; “FEISTY or "SLOW! SWITCH Switches the internationalist function ON and OFF: .
(4 ON vV OPERATION HOW TO TUNE The following instructions are for the tuning. Please read carefully and understand fully before turning ON-your unit:: Proper: tuning is necessary: for-optimum operation. PRESET FREQUENCY When the POWER switch is first turned on or the CPU: RESET switch is pushed, the FREQUENCY: DISPLAY will be "20.007¢ representing: 220.000MHz. and the MEMORY CHANNEL DISPLAY will -be: 0" representing memory channel: 0.
FOR EXAMPLE: s set with the VEO A, and the VEO switch is pushed fo select the VRO B, the frequency: readability show the VEQ R’ frequency but 224 740MHz s still stored in the VEO As memory; Pushing the VEO switch again 10 redden 1o the VEQ A, 724,747 will be displayed on the readout. Accordingly; -if the:switch:is:pushed again, the frequency that was set with the VEQ B will appear.
1 changeover the receive frequency: from: 224 820MH2 to 224.730MHz, the transmit frequency: Changeling from: 223 220MBlz 10 223 TIMEZONE 5o now: vou cat latices as 2231801224780 repeater. Pushing the “#DUPLEX’ button changes: the: transmit frequency 10° 1.6MHz above the receive frequency It yeti set the receive frequency 16 223.
MEMORY CHANNEL OPERATION MEMORY CHANNEL SELECTION When the power switch is First turned ON or the CPU RESET button is pushed, the set initially aerates in the VEO amide and memory channel number 707 is dispirited. By pushing the VFO/ MEMORY switch, the set is:switched into the: MEMORY. CHANNEL MODE ‘and:a frequency which has been stored in the MEMORY CHANNEL 0 is displayed on the frequency display.
MEMORY WRITE (PROGRAMMING THE MEMORY CHANNELS) Any operating frequency. duplex:mode; offset frequency and inaudible tone frequency tan he memorized into rosemary. 1. Set the operating frequency to desired one using @ VFO. For example; set it for 1224740 MHZ busing VEO B, 255 Pisa the T MEMORY: switch 1o set o the MEMORY :CHANNEL L mode.: then 'select @ memory channelization be used by turning the TUNING CONTROL. For example, select it at memary.chanagl 5; 3.
SCANNING OPERATION MEMORY SCAN This Is sed 10 scan the nine memory channels continuously, % 2: Program nine desired competencies MEMORY CHANNELS Push the MEMORY switch to select the MEMORY. CHANNEL mode. Push the SCAN START/STOP. (S/5) button, and the operating frequency standardizing the programmed: frequencies in the MEMORY CHANNELS from the displayed channel 1o the higher memory channels in order.
5. While the SQUELCH is ‘engaged; the squelch opening as a signal s received will ‘stop the scanning: ‘automatically neither: frequency. f the RECEIVE indicator i§ lite because the SQUELCH i a0t engaged, the Sean does stationary T stop the span operation. push the SCAN START/STOP (S/5) button. Pushing the SIS button again restarts the scan from the frequency at which it stopped. When the scanning has automatically stopped: on a frequency, the frequency can not be changed by turning the TUNING CONTROL.
SIGNAL RECEIVED NO SIGNAL el iETinitnstnstestEsstastestestestes st St opened SQL closed ON SCAN OFF pushed Astronaut Scan restarts 6§78 pushed SIS pushed Bear starts Manual restart) 2.5 By resting the SCAN STOP TIMER Switch in ON position and the SCAN STOP FUNCTION SWITCH: in: BUSY ‘position, the scan will stop:on d signal, and will restart naffer specified time is: passed; whether a signal has been received or'not.
SIGNAL RECEIVED ND SIGNAL: 4 + SQL colonnade 1 SOL closed N SCAN OFF pushed specified ] Spurred S/S pushed Scan starts Auto stop Sean restarts Minimalist (Manual restart) Set the TIMER Switch, SCAN:STOP INTERVAL Switch, and SCANS STOP FUN: SON SWITCH as to our own choice, PRIORITY FUNCTION This function provides & way to check: your favorite channel, such as'a local repeater or a calling Channel, that s written into & embroidery channel wheels operating Sonia VEO frequency.
1 second iy Aniseed beseeching seconds Second 5 Seconds. B dongle VEO Frequency s PRIORITY Frequency TR priority S PRIORITY SW My Chanter) puttied pushed turned FEY 0 fumed ON Y TONE ENCODER OPERATION The IC:37A s equipped with & audible tone encoder. By pushing the TONE SELECT button, the FREQUENCY DISPLAY shows a tone number instead of the operating frequency, ‘While holding the TONE SELECT button, by turning the TUNING CONTROL, the displayed tone nonmember can ba changed.
Whine selecting a number ‘except 7007 the ‘tone circuit is turned ON and the letters "TONE are indicated on the frequency display: When selecting: the ‘number: 00", the: tone circuit is turned QFE and the letters "TONE" are also turned OFF: This tone number is memorized into the VFO or MEMORY CHANNEL which is selected who: the tone number has been set. Inaudible tone is transmitted 'when: the sites in: DUPLEX mode only even i the tone indict: discriminated.
predesignated. which: opens ‘the squelch: and lights-the RECEIVE indicator @1 the soulless s unstable due o intervention s nonassignable or mobile stations studious e SOUR DN CONTROL Prithee ] ihe roper threshold s birdbrained For tuning, ‘Seniority Channel operation and Scanning operation refer to “HOW T0O TUNE" an page 11, 'MEMORY CHANNEL OPERATION” on page 14 and 'SCANNING OPERATION on page 16.
SECTION VII TROUBLESHOOTING Node 1C:37A has been rested very carefully tithe: factory: before phishing The chart Bela has ‘beer designed: to: help you correct any problems which: aré not equipment malfunctions: S if you are notable to locate the problem and for solve it through use of this chart, please contact your dealer the nearest COMIC service center for assistance. Problem Possible Cause Solution 15 Power: dogs hot : home: ON when the switch is turned.
Problem Possible Cause Sounding & The receive mode fun: sons propriety-andiyour signals: are: transmitted: buyout e unable to make g contractility another station, These s in DUPLEX mess. {When: = desiring = SIMPLEX: mode.} The sites in SIMPLEX mode, {When' [ devising 1 DUPLEX mode:} Improper frequency split or input/output: frequency of the repeater: Push e DU st DWELT button: to-go off both DUPLEX indicators: Push ‘the “DUH" or "Buttonwood according L repeater input/output frequency.
