Sigma KS-342 инструкция обслуживания

KS-342 4-channel mixer Operating manual                            ?[...]

[...]

3 KS-342 Introduction Tha nk you f or the pur chase of the Ka mes an K S - 342 4 - chan nel por t able mi x er . Th is mi x er is desig ned to provide y ou wit h the most ex ibl e and powerf ul f eat ures ava ilable in a sma ll, easi ly por t able pack age. Ke y point s include: A wide range of in put options, including +48V phantom pow er ing S[...]

4 KS-342 Notes on the Operating Environment Av oid usi ng t his u nit in places w ith hi gh heat or hig h humid - it y a s da ma ge or ma lfu nction may resu lt. W hen u sing i n a n ex cept ion a lly cold en vi ronment, batt er y ser v ice life ma y be shor tened, a nd there may be a drop in p erfor mance. If a t al l pos sible, use thi s unit in [...]

5 KS-342 Connection of Microphones WARNING Connection of microphone cables and microphones: to prevent hazard or damage, ensure that only microphone cables and microphones designed to the IEC 268-15A standard are connected. Connexions des microphones et de leurs câbles: pour éviter tout endommagement, s’assurer de brancher uniquement des microp[...]

6 KS-342 Before operati ng the Ka mesa n KS - 3 4 2, y ou sh ould be aware of the fo llowi ng point s : A ll X L R - 3 con n ector s (ma le a nd f emale) a re w ired w ith the fol - lowin g pinouts : 1 = g round, 2= hot, 3 = cold. The AC adaptor jack is a tip - negat iv e connection. DO NO T at - tempt to ma ke a ny c onnection to t his jack except[...]

7 KS-342 NOTE If the unit is not to be used for an extended period of time, remove the batteries fr om the unit. Do not leave dead batteries in the unit. The bat ter ies are cont ai ned in a sta ndar d bat ter y hol der , which slides out f or ea sy replacement. Add itional batt er y holders c an be purcha sed a nd “ pre - loa ded” wit h spa re[...]

8 KS-342 The t o uch fast en ers a t either side may be u sed to t idy ca bles, as we ll a s to re stra in t he mixer in it s ca se. Y ou c an us e the pocket i n the ca se to store spa re bat ter ies, adaptor s, etc. Y ou ca n secure the top ap u sing the touch fas tener when it i s f olded back to al low operat ion of the front panel. In addit[...]

9 KS-342 Features and panel items For t he mo st pa r t, t h e expla nations giv en for t h e ind ividual pa r t s of the K S - 342 w il l a llow you to operat e the mi x er ef f ec - tively . Y ou should t heref ore read this pa r t of the ma nual c a re - fu lly i n order t o unders ta nd the ma ny featur es a nd opera tions pos sible wit h the u[...]

10 KS-342 The routin g sw itch sends the aux signa l to the L and R mai n out - put busse s ( AU X MI X ) or t o the monitor bus only ( AUX M ONI ) or completely off (center po sition). Right side (viewed from front) Th is sect ion is chiey the output s from the m ixer:      ?[...]

11 KS-342 used as d irec t outputs from cha nnels 3 a nd 4) . The w ir i ng is : 1 = g round, 2= L + , 3 = L –, 4 = R + , 5 = R –. T here is a choice of output le v els : – 20 dB or – 60 dB, select able by the sw itch im mediately below this c onnector . ST OUT Thi s unba la nced 3.5 m m stereo jack output pr o vides a nother stere o output[...]

12 KS-342 Front panel The f ront pa nel is where yo u w il l ma k e t he ma jor ity of t he set - ti ngs whi le y ou are u sing the K S - 342.                [...]

13 KS-342 ti me , but i n th is c ase, t he le v el a nd r ight VU meter ind ication w ill be lower than t he actua l values. Channel faders The nominal position is a t about the 2 o’clock position, when the fader is pointing to the channel number . NOTE In MS mode, faders 1 and 2 have a slightly different meaning, as explained in the appropriate[...]

14 KS-342 2. Tur n the pow er on (up), and then tur n the oscilla tor switch on (down). 3. T o monitor both channels together , set the monitoring selection switch to the L/R setting (for an explanation of the monitor ing switch settings). 4. Adjust the lev el of the outputs so t hat the meter reads 0 dB (or the equivalent, depending on the meter .[...]

15 KS-342 VU s cale Thes e meter s c onf or m to t he V U s ta ndard, provid ing a n a v era ged le v el readin g. 0 VU ma rk s the ref erence posit ion . BBC scale Dev elo ped b y the Br it ish Broadca st ing Cor pora tion, th is p eak meter st anda rd goes from 1 to 7 ( each step repre - sents 4 dB ) w ith a fas t ri se a nd slow fal l ti me. T h[...]

16 KS-342 Expansion The K S - 342 may be used t oget her w ith the KS - 600 1 sub m ixer , which provides a fu r ther f our ch a nnels of i np ut f eedi ng t he AU X bus, a nd/or t he K S - 60 0 2 c ompressor/ EQ module, wh ich pro - v id es sw eepable 2 - ba nd E Q a n d compres sion facil ities f or e ach chan nel . T he K S - 342 c an act a s th[...]

17 KS-342 Specications Audio specications Inp ut levels (all contin uously var iable and ele ct ronica lly ba lanced) MIC –7 0 to –30 dBs LI NE –20 to + 4 dBm AUX –20 to +4 dBm Inp ut imped ance MIC 3. 0 k Ω LI NE 60 0 Ω AUX 1 0 k Ω Hea droom 32 dB (pre - f ader inp ut ) Ana log out put levels MAI N + 4/ 0 / – 20 / – 60 dBm sw [...]

18 KS-342 Other parameters Micro phon e power P- 4 8V ( maxim um pow er 1 0 mA ) A - B 12 V (maximu m power 30 mA) L CF ( low - cut  lter ) 20 Hz — 200 Hz, contin uously var iable, – 1 2 d B / oc tave Osc illator 1 k Hz (± 1 0 % ) Compress or Thres hold level +3/+ 6 /+ 9 /+ 1 2 d B Att ac k time 2 m s ( appro x ) Releas e time 300 ms ( ap p[...]

19 KS-342 Power and general specications Intern al pow er supp ly 8 x ty pe 3 (AA ) dr y - cell b atteri es, ca rrie d in s t anda r d bat tery ho lder 1 x NP-1 NiCd bat ter y , c arrie d in opti onal b atter y hold er Exter nal po wer sup ply + 1 0 V to + 1 5 V (max imum current 0. 5 A) Current Nomi nal 1 60 m A Digit al o utput o n 2 40 m A Ba[...]

20 KS-342 Block diagram                      ?[...]

21 KS-342                       [...]

22 KS-342 About Kamesan Sig ma Syste ms E ng ineer ing was st a r ted in 1 972 to de v elop a nd design prof essional mix ers for studio and r emote broadcast applications. Today , f ollow ing the “slow a nd s teady ” pr inciple of t he tor t oise, we hav e bui lt up ou r sa les a nd our reput at ion to the ext ent that we now enjo y 95% of t h[...]

[...]

Sig ma Sys tems E ngi neer ing C o. Ltd. 3 - 5 -2 Okub o Shi nj uku - k u Tokyo 1 69 - 0072 JAPAN Tel: + 8 1 3 3204 26 1 1 Fa x: + 8 1 3 3 204 2250 e - ma il : sa les @ k ame sa n . co. jp[...]