Vivitar 285-HV User Guide - Page 3

a

few

minutes

before

you

resume

firing.

2)

The

HVP-1

High

Voltage

Battery

Pack

—

Also

available

from

your

Vivitar

dealer,

this

unit

utilizes

disposable

high

voltage

batteries

or

the

rechargeable

Vivitar

FIB

-510

battery

to

provide

very

fast

recycle

times

and

a

greater

number

of

flashes

than

that

provided

by

the

other

battery

power

sources

described

above.

3)

The

Vivitar

PPG

-1

Power

Pistol

Grip

—

The

PPG

-1

Power

Pistol

Grip

is

a

detachable

pistol

grip/flash

holder

for

oft

-

camera

use

and

can

provide

supplemental

power

for

faster

recycling

arid

more

flashes.

It

uses

four

AA

alkaline

batteries,

NiCads,

or

the

special

Vivitar

NC

-3

NiCad

Pack.

It

has

a

360°

rotating

shoe

for

added

versatility.

4)

The

Vivitar

SB-4

AC

Adapter

—

This

adapter

allows

you

to

use

standard

electrical

outlets

as

an

optional

and

economical

power

source.

IMPORTANT

NOTE:

When

using

the

HVP-1,

PPG

-1

or

SB-4

power

sources,

four

fresh

AA

alkalines

or

one

properly

charged

NC

-3

battery

pack

must

be

In

the

flash

unit

to

operate

the

synchronization

circuit.

Ready

Light

The

Vivitar

285HV

is

equipped

wittta

Ready

Light

(13)

with

a

3

-stage

operation:

It

glows

red

when

the

flash

is

at

1/2

power,

glows

green

when

the

flash

is

at

3/4

power,

and

blinks

alternately

red

and

green

when

the

Battery

Saving

Circuit

is

in

operation

and

the

unit

is

at

full

power.

The

new

285HV

has

a

modified

triggering

circuit

which

allows

you

to

fire

the

flash

before

the

Ready

Light

goes

on.

But

be

aware

that

underexposures

may

result

when

the

unit

is

fired

before

the

Ready

Light

is

on.

6

Battery

Saving

Circuit

Your

flash

unit

has

a

built-in

circuit

that

acts

to

significantly

prolong

battery

life.

When

this

circuit

is

in

operation,

the

Ready

Light

will

blink

alternately

red

and

green.

Battery

Operation

Inserting

Batteries

1.

Set

the

Flash

Head

to

the

straight

-ahead

0°

position.

Pushing

with

your

thumb

from

the

front

of

the

unit,

slide

open

the

Battery

Compartment

Cover

(3)

and

take

out

the

Battery

Holder

(27).

NOTE:

There

is

a

stop

built

into

the

cover

to

prevent

it

from

coming

all

the

way

off

the

back.

DO

NOT

FORCE

THE

COVER.

2.

Insert

four

fresh

1

.5

volt

size

AA

alkaline

batteries

or

NiCads,

following

the

battery

positioning

marked

on

the

Holder.

3.

Insert

the

Holder

into

the

battery

compartment

(align

the

square

corner)

and

slide

the

Battery

Compartment

Cover

closed.

There

are

some

simple

procedures

to

follow

for

getting

the

most

out

of

your

flash

and

batteries,

Always

turn

your

unit

off

right

after

you've

finished

using

it

to

prolong

battery

life.

Also,

when

storing

your

flash

for

a

period

of

time,

remove

the

batteries,

to

prevent

possible

damage

from

battery

corrosion.

Replace

the

batteries

it

the

red

Ready

Light

fails

to

glow

within

30

seconds.

Forming

the

Capacitor

When

your

flash

is

new

or

when

it

has

not

been

used

for

a

period

of

time,

the

capacitor

loses

some

of

its

ability

to

store

electricity.

When

this

occurs,

you

can

"form"

the

capacitor

as

follows:

1.

Set

the

Mode

Selector

Dial

(24)

to

the

manual

"M"

position.

7

2.

With

batteries

in

the

flash,

slide

the

On

-Oft

Switch

(12)

to

the

RED

"ON"

position,

or

plug

the

optional

SB-4

AC

Adapter

into

both

the

flash

AC

Adapter

Receptacle

(17)

and

the

wall

outlet.

NOTE:

The

flash's

On

-Off

Switch

must

be

in

the

"OFF'

position

when

using

the

AC

Adapter.

Make

sure

there

are

batteries

in

the

unit

to

work

the

synchronization

circuit

when

using

the

SB-4.

3.

When

the

green

Ready

Light

glows,

fire

the

flash

using

the

Open

Flash

Button

(1),

allowing

the

Ready

Light

to

glow

15

to

20

seconds

first.

After

a

sequence

of

5

flashes,

your

capacitor

will

then

be

formed

and

you

are

ready

to

begin

shooting.

Thyristor

Circuit

Your

Vivitar

Model

285HV

has

a

unique

power

conservation

sytem

called

a

thyristor

circuit.

In

any

of

the

four

auto

modes,

this

circuit

saves

the

excess

energy

not

needed

for

a

proper

exposure,

threby

providing

very

fast

recycling

time

and

a

greater

number

of

flashes

per

battery

charge.

The

recycle

time

and

the

number

of

flashes

per

charge

varies

depending

on

the

flash

-to

-subject

distance

and

the

auto

mode

used.

As

you

move

the

flash

closer

to

the

subject,

the

285HV

recycles

faster

and

is

capable

of

providing

more

flashes

per

set

of

batteries.

Zoom/Bounce

Flash

Head

Zoom

Position

The

Zoom/Bounce

Flash

Head

(7)

allows

you

to

coordinate

the

field

coverage

of

your

flash

with

the

field

covered

by

your

camera

lens.

Positions

are

marked

on

the

Zoom

Setting

Indicator

(8)

for

wide,

normal

and

tele

—

equivalent

to

camera

focal

lengths

of

35mm,

50/55mm

and

105mm.

Extend

or

retract

the

Zoom/Bounce

Flash

Head

to

the

position

which

is

closest

to

the

focal

length

of

the

camera

lens you

are

using.

8

in

addition,

a

28mm

Wide

Angle

Flash

Lens

(28)

is

included

with

your

Model

285HV

Flash.

Insert

the

flash

lens

into

the

Lens/Filter

Slot

(6),

with

the

tab

on

the

lens

at

the

bottom.

The

28mm

Flash

Lens

is

designed

to

be

used

with

the

Zoom/Bounce

Flash

Head

in

the

wide

position.

Bounce

Angle

The

Model

285HV

will

tilt

to any

of

five

click

positions

(9)

(0°,

45°,

60°,

75°,

90°),

depending

on

the

lighting

you

want

to

create.

When

the

flash

is

set

at

the

45°,

60°,

75°

or

90°

position,

you

can

bounce

light

off

a

reflective

surface

to

create

softer

lighting.

Automatic

Operation

Van

Sensor

Module

Your

Vivitar

285HV

Electronic

Flash

is

equipped

with

a

removable

Vari

Sensor

Module

(26)

that

measures

the

light

reflected

from

the

subject

and

other

reflective

surfaces

near

the

subject.

This

information

is

interpreted

by

a

solid

state

computer

in

the

sensor

which

programs

the

flash

to

automatically

provide

just

the

right

amount

of

light

required

for

a

correct

exposure.

The

practical

advantage

is

that

you

don't

have

to

change

the

f-stop

on

your

camera

lens

when

you

move

closer

to

a

subject

or

farther

away.

As

long

as

your

subject

is

within

the

automatic

operating

range

of

the

flash

for

that

f-stop,

the

computer

automatically

makes

the

adjustment

for

you.

.

To

remove

the

Vari

Sensor

Module

from

the

flash,

pull

it

straight

out

from

the

body

of

the

flash.

To

mount

the

Module

back

on

the

flash,

align

the

black

ridge

at

the

back

of

the

Module

with

the

groove

in

the

Sensor

Socket

(2)

and

push

the

Module

firmly

into

the

flash.

9

Vivitar 285-HV User Guide - Page 3

Ready, Light, Battery, Saving, Circuit, Operation, Zoom/Bounce, Flash, Automatic

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