Nikon MD-4 Instruction Manual - Page 23

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OPTIMUM BATTERY PERFORMANCE

1. New batteries: Between manufacturing and first

use, all batteries exhibit some drain. Therefore,

care should be taken to purchase the newest (and

freshest) ones possible. To help you do this,

some manufactures stamp the date of manufacture

on the bottom of each battery. Ask your camera

dealer for assistance in interpreting the codes.

2. Temperature: Battery life ratings are based on

operation at around 20 C (68 F). At other tempera-

tures, battery life is shortened. At 0 C, for

instance, battery life is shortened by as much as

2/3. Spare batteries should therefore be kept

available if operation in low temperatures is

anticipated.

3. Continuous use: Batteries are drained much more

quickly by continuous use than by intermittent

use.

4. Storage: When not in use, the batteries should be

removed to prevent damage from leakage. To mini-

mize drain during the period of disuse, store the

batteries in a cool, dry place.

5. Battery brands: Do not use mixed brands of batter-

ies, nor batteries with different model numbers.

Also, avoid mixing new and old batteries since

proper performance will not be obtained and bat-

tery leakage into your MD-4 may occur.

6. Disposal: Do not dispose of batteries by burning.

Also, for safety's sake, do not disassemble bat-

teries when disposing.

7. Polarity: When installing batteries, observe the

voltage polarities carefully. Reversal of the posi-

tive (+) and negative (-) terminals will result

in leakage. If leakage should occur, clean care-

fully or take your MD-4 to your dealer.

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