Yaesu YO-901 Скачать руководство пользователя страница 1 | Manualshive

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Yaesu YO-901 Скачать руководство пользователя страница 1

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Содержание YO-901

Страница 1: ...INSTRUCTION MANUAL YO 901 YAESU MUSEN CO LTD TOKYO JAPAN...

Страница 2: ...eeeeeneueess 3 FEE AR APRON seo Geaaen eect adataeie Gt cyt ee Oe slat 5 INSTALLATION NOTES hshsissessteebe Aloveeses Gauss hesbea ots teceeiecids 6 OPER INTIONG Socios cee ety hei tapdaiel ts aed cce...

Страница 3: ...d TX monitoring and automatic remote switching of monitoring modes An exciting option for the YO 901 is a band scope which allows instant determination of band conditions and activity Interface to the...

Страница 4: ...ne generator Frequency Output level 1500 1900 Hz 20 mV p p Band Scope Option Operating frequency 8987 5 kHz Sensitivity Log Lin 50uV 4DIV 500uV 4 DIV Scanning frequency 10 Hz Input impedance 50 5 K oh...

Страница 5: ...e There may be some interaction between this control and the INTENSITY control 7 INPUT LEVEL This control sets the level for the transmitter output signal monitor 8 V GAIN VAR The V GAIN sets the leve...

Страница 6: ...marker can be used to set the center of the optional band scope The following accessories are included with your YO 901 1 CONNECTION CABLES see below 2 BNC PLUG UG 88 U 2 3 SPARE FUSES 1 Note when re...

Страница 7: ...ion 5 BAND SCOPE INPUT When the optional band scope is installed this jack should be connected to the IF 2 jack on the rear apron of the FT 901DM 6 7 ANT These connectors are in parallel for sampling...

Страница 8: ...e If the SWR is above this level these ratings are decreased significantly because of the high voltages present on the transmission line OUR WARRANTY DOES NOT COVER DAMAGE CAUSED BY EXCEEDING THESE PO...

Страница 9: ...turn on and after a warm up period of approxi mately 10 seconds a bright trace will appear on the screen Adjust the INTENSITY control for a comfortable yet not excessively bright display Adjust the F...

Страница 10: ...button off and turn on the 1500 Hz button Rotate the TONE BALANCE control located on the rear apron of the transceiver until the display amplitude is the same as that observed for the 1900 Hz tone pre...

Страница 11: ...MK...

Страница 12: ...lay jumps off center adjust the H POS control to recenter the display Switch back and forth between the 2 kHz div and 20 kHz div scales carefully adjusting the CENTER FREQ and H POS controls until coi...

Страница 13: ...amplifer and adjust the H GAIN control for the desired pattern height Proper operation of the amplifier and operating difficulties are shown in Figure 7 E F A Good linearity Proper amplifier operation...

Страница 14: ...when the received signal is properly tuned in In order to accomplish this alter nately inject the MARK and SPACE signals into the vertical input of the YO 901 and adjust the balance potentiometer of...

Страница 15: ...e tod et a eee Or EY eee ake a ea aes ge ote ed ee a gE PE q J 1 INPUT Ja0t J408 NARROWFI ANTENNA J402 B O y409 SWEEP GENERAT 301 Q306 HORIZONTAL AMP Q307 3309 I H I I PORNG 7 RRL 304 ee a LTONE OUT 5...

Страница 16: ...tter output signal connected through the rear apron ANTENNA jacks is sampled through C21 and delivered through the INPUT LEVEL switch Sioq4 to the CRT vertical deflection plate The RF voltage is sense...

Страница 17: ...amplified by Qsos 2SK30AGR and fed through ceramic filter CFso1 which filters the wideband FT 901 IF signal for the band scope The signal is then amplified by Qso6 2SK30AGR Qso7 and Qsos 2SA1015 detec...

Страница 18: ...REMOVE THE POWER PLUG FROM THE WALL SOCKET DISCHARGE THE HIGH VOLTAGE CAPACITORS BY SHORTING THE HIGH VOLTAGE LINE TO GROUND WITH AN INSULATED SCREWDRIVER AFTER THE POWER HAS BEEN REMOVED THESE VOLTAG...

Страница 19: ...the FOCUS control to the 12 o clock position Adjust VRio1 for sharp focusing of the display H GAIN PRESET VR30s With the BAND SCOPE mode in operation set VR3os fora trace length of 11 divisions V POS...

Страница 20: ...Perform the alignment on either the LIN or LOG mode LOG OFFEST VRs93 Set the LIN MARK LOG switch to LOG with the BAND SCOPE mode activated Set the V POS control to the 12 o clock position Adjust VRso0...

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