YOKOGAWA AQ4305, Instruction Manual, Page: 44 / 50

6.2 Operational Inspection Chapter 6 Maintenance, Inspection and Storage
6-4
6.2.4 Daily maintenance
●
Clean the exterior of the unit.
Use a cloth dampened with cold or lukewarm water to clean the exterior of the unit, followed
by wiping with a dry cloth.
●
Clean the optical output
(1) How to clean the optical connector
It is recommended that the following cleaner be used for this procedure.
Recommended cleaner:
“
CLETOP” stick type cleaner (made by NTT-ME)
<Procedure>
①
Take off the optical cap from optical output connector at the front of the unit.
②
Use the cleaner to clean the optical connector.
Grasp it as close to the cleaner support (base) as possible. Insert the cleaner straight into
the optical connector and rotate it.
Figure 6-1 How to clean the optical connector
Support
Panel
Optical output connector
Cleaner (stick type)
z
For daily maintenance, be sure to turn the [POWER] switch off and also
remove the power supply cables.
z
Do not use chemicals such as thinner, benzine, or alcohol, which may
cause deterioration or discoloration of the exterior of the unit.
Caution
z
If a dirty cleaner is used for cleaning, the optical output section may be damaged.
Caution