TABLE OF CONTENTS CAUTIONS. .. oo OPERATING CAUTIONS .. .o oo iii INTRODUCTION e i UNPACKING .o TABLE OF CONTENTS, i 1. CONTROL FUNCTIONS.. FRONT PANEL. . T2 GREAT PANEL G 3 1 MICROPHONE (HMI) FUNGTAONGDISPLAY i 4 2. INSTALLATION 2-15 D UNPACKING: Ll 252 MOUNTING THE (TRANSCEIVER. i B 2 ANTENNAE LGy Ve anneal 240 GROUNDING L il sing 5 2.5 WIRING THE DC POWER CABLE i B 25600 REAR PANEL: CONNECTIONS i g 3. SYSTEM INTERCONNECTIONS .
Bl 1 CONTROL FUNCTIONS 11 FRONT PANEL T @ @ POWER! TRANSMIT SOL MIC & BE PWR ] cu In PHONES /(L ’(L MiC T NB ATT PREACH AMIE RECEIVE INDICATOR {0 RIT CONTROL ‘{pgs. 15, 21} Indicates that the squeich:isiopen: Shifts the receive frequency when the: RLE function is ON. 2 TRANSMITTAL INDICATOR {p. 16) Lights when the transceiver is transmitting: AD FUNCTION: SWITCH: [FUN] ‘Activates the secondary switch functions.
14 FUNCTION DISPLAY CONTROL FUNCTIONS Bl Fun] MEMO' o TUNE ;4 13171 [mirror, { 1LO EH SCAN INDICATOR “'SCANT (p, 23) Eights'when scan is operating: @ MODE INDICATORS Indicates the operating mode: T RIT INDICATORS “RIT” {p. 21} Lights when the RET function is turned ON. 485 FUNCTION INDICATOR: "FUN" Lights when the TROUNCE switch is pushed. MEMORY INDICATOR "MEMO {p. 22) Lights when MEMORY mode Is selected, ) MEMORY CHANNEL INDICATOR (p. 22) Sorrows memory channel numbers. SPLIT INDICATOR “SPLIT (n.
{2} OPERATING FREQUENCY SELECTION 1} To select the devised ‘operating band, see (1) BAND SELECTION an the previous pagan. 2} Rotate the MAIN ITAL o 'set the desired “operating frequency. o'The frequency changes in 100 Hz penile «To' sangs' the frequency either stepsister {3} CHANGING THE FREQUENCY: §TER, «Interchange the frequency quickly, steep 3 s Faster: MAIN DIAL flotation: automatically: shifts the tuning increment by, 10 KMz per Hill rotation.
16 5 BASIC OPERATION 5-3 AM OPERATION [ATT) [AMAZE] QU position Biggish TAMMIE] {SPLIT OFF {pgs 16, 21 21IB000T Row {nB QUT position {p. 150 = P GRIT] Sl % s {pgs. [FRE] [AGC] QUT position OUT position {p 18] {1} AM RECEIVING i 1) Set controls and switches as described onp. 13, 2) Push [POWER] [IN to activate the transceiver. 3) Se fact the desired operating band. {See p. 13} 4} Push LAM/FM]: defector AM mode. By Adjust TAF] control a8 desired (See p. 15} 6} Adjust [SELL i needed.
£ BASING OPERATION 5-5 Rita FUNCTION By using the RIT: function; it s possible to shift the receive Frequency to 1 kHE O'Toole Ha steps without acing the transmit frequency. This is Useful for Fine triage stations which: transition using off frequency or for compensating for. frequency rife Tha 10725 Has an added feature: the FUT shift redundancy cane added to the displayed frequency. 1) Push the T RIT] ‘switchover activate the RET function.
MAINTENANCE AND ADJUSTMENT 8-1 DISASSEMBLING THE TRANSCEIVER Follow the transceiver disassembly procedures shown here when you installation adoption or replace 3 component. CAUTION: DISCONNECT: the :DC power: cable: from ‘the transceiver before performing any work on the transceiver. B REMOVING COVERS {Fig 1) M REMOVING PA UNIT SCREWS {Fig. 2} MW PREPARATION FOR OPENING THE PA UNDERSTAND LOGIC: UNIT: (Fig. 3) 8.
O INSTALLATION OF OPTIONS 9-1 U7 UNIT This: unit provides ‘AN transmit and 'FM Transmittance ‘capability: 11 Remove top and bottom covers, 21 Install the Y17 in the Location shown at left 3] Properly insert the Tiepin plug on she Uk7:30 J20 on the MAIN NET.
M GENERAL # Frequency coverage: Receive 500 kHz ~ 30 MHz Transmit 195900 MHz. 14.08990 Mz ~ | MHz ~ MHz 1440600 MHz ~ MHz ~ 21.40900 MHz + 26,0089 MHz.
13 option S 1C2K L HE S00 W LINEAR AMPLIFIER This: s internationalist 500 W Linear: amplifier: including: final transistors). IC-ATS00 500° W AUTOMATIC ANTENNA TUNER Matches : 1-725: iro: g antenna system. #Matching impedance 187 150:4 #Input power rating 60D W 1C-PS30-AC POWER SUPPLY Provides 113.8: V. Outputted and. 28 Maximum. i Comes with: 3 extra Dutiful connectors, P-85 AC POWER SUPPLY Style and size are matched with the 164725, Provides 138 V. DC output and 20 Amaxirmunt.