Topcon BG-5 Instruction Manual

INSTRUCTION MANUAL

BACKGROUND ILLUMINATION

BG-5

INTRODUCTION

Thank you for purchasing the TOPCON BG-5 Background Illumination.

This instrument is combined with the slit lamp and is used as an auxiliary illumination.
This instrument has the following features.

• Used for background illumination.

• The light level is changed according to the illumination level of the slit lamp.

• The following functions is provided.

- The light level for visible observation is changed by three steps (full-open, half-open,
OFF).

- The illumination is changed to the infrared light.

This manual outlines the BG-5 Background Illumination, including operating procedures and
troubleshooting.
Always keep this Instruction Manual at hand.

This instrument is an accessory of the commercial product, Slit Lamp SL-D701.

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CAUTIONS FOR USE

Basic caution

The components of this instrument must be fitted securely.

Disposal

Dispose of the instrument according to local disposal and recycling laws.

ENVIRONMENTAL CONDITIONS FOR USE

Temperature : 10°C to 40°C
Humidity : 30% to 90% (non-condensing)
Air pressure : 700hPa to 1060hPa

STORAGE, USAGE PERIOD

1. Storage (without wrapping (without package))
* Temperature : 10°C to 40°C
Humidity : 10% to 95% (without dew condensation)
Air pressure : 700hPa to 1060hPa
* THIS INSTRUMENT DOES NOT MEET THE TEMPERATURE REQUIREMENTS OF ISO 15004-

1 FOR STORAGE. DO NOT STORE THIS INSTRUMENT IN CONDITIONS WHERE THE TEM­PERATURE MAY RISE ABOVE 40°C OR FALL BELOW 10°C.

2. When storing the instrument, ensure that the following conditions are met:
(1) The instrument must not be splashed with water.
(2) Do not store the instrument in an environment where air pressure, temperature, humidity, venti-

lation, sunlight, dust, salty/sulfurous air, etc. could cause damage.

(3) Do not store or transport the instrument on a slanted or uneven surface or in an area where it is

subject to vibrations or instability.

(4) Do not store the instrument where chemicals are stored or gas is generated.

3. Normal life span of the instrument:
8 years from delivery providing regular maintenance is performed (according to the self-certification
[TOPCON data])

ENVIRONMENTAL CONDITIONS FOR PACKAGING IN STORAGE

Temperature : -20°C to 50°C
Humidity : 10% to 95%

ENVIRONMENTAL CONDITIONS FOR PACKAGING IN TRANSPORTAION

Temperature : -40°C to 70°C
Humidity : 10% to 95%

CHECKPOINTS FOR MAINTENANCE

Maintenance by user

1. Regularly maintain and check the instrument and its parts.

2. When using the instrument after a prolonged period of inactivity, confirm normal and safe operation
beforehand.

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