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Summary of Contents for VR-901

Page 1: ...INSTRUCTION MANUAL VR 901 YAESU MUSEN CO LTD TOKYO JAPAN...

Page 2: ...htp n e g a t i v etp a ne4tp p o s i t i v etp v i d e otp d i s p l a y stp m a ytp b etp s e l e c t e d tp A c t i v etp a u d i otp i n p u ttp b a n d p a s stp fi l t e r stp a s s u r etp o p...

Page 3: ...tp m o dea l a t o rtp n o ttp a v a i l a b l etp i ntp U S A tp 2 CW MONITOR Display modes L e t t e r s tp eI a p a n e s etp K a t a k a n atp c h a r a c t een s tp n u m b e r s tp p u n c t u a...

Page 4: ...tp N E 5 5 5eotp S N 7 4 L S O O Ntp S N 7 4 L S 0 2 Ntp S N 7 4 L S 0 4 Ntp S N 7 4 L S 0 8 Ntp eo N 7 4 L S 1 0 Ntp S N 7 4 L S 2eD Ntp ey N 7 4 L S 3 0 Ntp S N 7eF L S 3 2 Ntp S N 7 4 L S 5 1 Ntp 5...

Page 5: ...s i o n stp w i t htp atp s h i f ttp o ftp 1 7 0tp H z tp F K Stp 4 2 5tp t p T h i stp p o s i t i o ntp s e l e c t stp r e a d i n gtp o ftp F S Ktp w i t htp 4 2 5tp H ztp s h i f t tp F S Ktp 8...

Page 6: ...r 45 baud rate for TTY operation With the TTY switch in the OFF position TTY operation is not possible 1 0 F L This is the figure letter shift switch for ASCII use 1 1 AS Antispace This switch activat...

Page 7: ...ID 0 L w i t htp o ptm i o n a ltp L o c a ltp L o o ptp U n i t tp r e m o v etp t h etp j u m p e rtp b e t w e e ntp p i n stp 2tp a n dtp 3tp o ftp t h etp 6 p i ntp p l u gtp f o rtp t h i stp j...

Page 8: ...oring 13 RF OUT This is the output jack for the optional video modulator for television channels 3 or 4 tp Switching is performed inside the cabinet for selecting the unused channel in your area 14 AF...

Page 9: ...e dtp o u ttp b e fo r etp a p p l y i n gtp A Ctp p o w e rtp t otp t h etp Y R 9 0 1 tp R e f e rtp t otp t h etp t r a n s f o r m e rtp p r i m a r ytp c o n n e c t i o ntp d i a g r a mtp b e l...

Page 10: ...n using headphones to monitor the CW output please do not use the FT 901DM PHONES jack as this will cut off the output from the SP jack Instead use the PHONES jack provided on the YR 901 front panel F...

Page 11: ...a dash at the initial speed will appear to be a dot at three times that speed and the YR 901 will be unable to determine the proper ratio 7 Once the optimum copying tone has been secured you may swit...

Page 12: ...gtp i ftp y o utp c a ntp r e a dtp J a p a n e s etp c h a r a c t e r s tp 11 ERROR CAUSES W h e ntp t h etp Y R 9 0 1tp c a n n o ttp d i s t i n g u i s htp a ntp ieM c o m i n gtp c h a r a c t...

Page 13: ...wise By now you should be monitoring on the television screen the incoming RTTY message 5 Observe the display on the monitor screen If it appears that the figure letter relationship is reversed simply...

Page 14: ...r a t i o n tp T h etp Y R 9 0 1tp c o m e stp e q u i p p e dtp f o rtp p o s i t i v etp k e y i n g tp A NET E N N AI F o rtp p o s i t i v etp k e y i n geetp t h etp Y R 9 0 1tp K E Ytp j a c k s...

Page 15: ...i ftp y o u rtp k e y b o a r dtp l a c k stp atp 1 1 0tp b a u dtp c l o c k tp p l e a s etp r e fe rtp t otp F i g u r etp l O c tp f o rtp d e t a i l stp o ftp t h etp p r o p e rtp c o n n e c...

Page 16: ...r o ntp o ftp t h etp efo 0 9 0 1 tp O b s e r v etp t h etp p r o p e rtp c o n n e c t i o n stp a ttp J I a stp d e s c r i b e dtp i ntp s t e ptp 2 tp o ntp p a g etp 1 4 tp 2 tp S e ttp u ptp t...

Page 17: ...Ttp j a c k tp t h etp m a c h i n e stp m o t o rtp w i l ltp r e m a i ntOtp o f ftp u n tf i ltp atp S P A C Etp s i g n a ltp i stp r e c e i v e d tp W i t htp t h etp A tp S T A R Ttp s w i t c...

Page 18: ...p t r a n s l a t e dtp t otp 7tp u n i ttp c o d etp i ntp t h etp C o d etp C o n v e r t e rtp o ftp t h etp F S Ktp U N I T tp T h etp o u t p u ttp s i g n a ltp i stp t h e ntp a p p l i e dtp t...

Page 19: ...p u s i n gtp atp t r a n s c e i v e rtp u t i l i z i n gtp n e g a t i v etp k e y i n gtp s e etp l i s ttp o ntp p a g etp 1 3tp tp t h etp o u t p u ttp p o l a r i t ytp fr o mtp t h etp C Wtp...

Page 20: ...0 I I 1 II F 0 I I 000 0 I 0 __ 0 0 R I I 0 0 0 _ _ _ ___ __ 0 0 Lo _ ___ IF 02 02F 0 0 _ _ _ ___ _ J I2 0 S __ OI r 1 PI II II A0 l 0 I 0i OI II NI I I I I I I I K I I 02 02F 0 0 F 0I0 _J lI _ _ _ __...

Page 21: ...R 2 8tp t y p etp m a c h i n e tp t h etp ee u ree e ntptp r e q u i r e m e n t stp o ftp t h etp m a c h i n etp m u s ttp b etp m e t tp T h etp s t a n d a r dtp Y R 9 0 1tp w i l ltp n o ttp h a...

Page 22: ...c e s s a r y tp t otp o b t a i ntp a ntp i d e n t i c a ltp h a l fet s c a l etp d i s p l a ytp i ntp b o t htp t h etp N O Rtp a n dtp R E Vtp m o d e s tp 21 FSK BANDPASS FILTER ADJUSTMENT 1 tp...

Page 23: ...30 5 047 19 T9 2 0 1 600 5 047 05 5 047 1 2 1 0 11 100 11 SknB l OOknB 0 047 F lmH 3W P l 0 9 with wire Pl lO P l l 1 P l l 2 P1 1 3 P 1 14 P 1 1 6 P l l 7 F l O l F H l O l Symbo i N o PB 1 9 0 1 Q20...

Page 24: ...G l 090 1 9 8 SN7 4LS 1 25AN G 1 090 1 8 1 SN74LS 1 5 7N G 1 09 0 1 9 9 SN7 4LS 1 6 1 N G1 090200 SN74LS 1 66N G 1 090201 SN7 4 1 75 N G 1 090202 SN74LS 2 8 3N Q 3 0 1 Q302 3 05 ICS 306 3 0 8 ICS3 07...

Page 25: ...IC62 7 634 10 1 245 2 7 3 27kn IC604 10 1 245 3 3 3 3 3 kn IC605 10 1 245 6 8 3 68k 11 IC6 1 9 1 0 1 245 1 04 lOOk 11 IC6 20 10 1 245 105 l M 11 CA PA C I T O R K 7 0 1 27475 Tantalum 1 6WV 4 7 F SWI...

Page 26: ...641 64 8 65 1 C6 40 649 650 C6 2 1 629 C6 1 8 6 20 6 3 0 C6 3 1 C6 3 2 C65 7 C655 1602 608 1605 1 606 160 1 607 1604 1603 K 1 0 1 79006 KlOl 79007 K l O l 79008 K l O l 79009 K l O l 790 1 0 K 1 3 1...

Page 27: ...1 5 5 5 R ES I ST O R R802 100245 27 1 Carbon film 1 4W VJ 270n R803 1002455 6 1 _ _ 560n R80 1 100245 392 __ 3 9kn SW ITCH S80 1 N6090009 SS 1 2 L 1 6 Q5 0000 1 1 Wra ppi ng termi n a l C ACCESSOR I...

Page 28: ..._ r 1 1 0 0 I I 0 0 0 A NI L 0 C 0 0 0 2 F O _ F 0 0 2 F F 0 0 0 1 F _ 0 F _ F 0 _ _ _ _ 0 IuI 0 0 0 0 C 0 F F 0 F 0I 00F F F _0 I AI II I 1I I l SI 1I er 0R 0 0 A I A AI A I A I F F 0 1 F 0 1F 0 0 I...

Page 29: ..._ _ _ _ _ _ _ ___ PB _ _ ___ l_ 9 _ 5 1 N0 6 0 0 0 I I 0 o I J605 D 0 0 I 0 2 3 4I 5 60 7 I cp Pll3 J I 0 4 c 0 0l s 4 c 0 0 0 l 0I 0R0R0R f l l __ O0 C W 170 RT J I YI 4 425 20 00 I _ __ llo o U E 40...

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