A&D Omniace III RA2300A, Instruction Manual

Page: 37 / 196

3. Pre-measurement Procedures
RA2300A Recorder (7001754-R01) 3-9
3.3. Insert the Amp Unit

Caution in handling
When replacing an amp unit, disconnect the power cable and the signal input cable
from the recorder after turning off the power. Replacement of the unit while the power
switch is on causes a damage of the unit and the recorder.
During the replacement, avoid touching the internal parts. If a user having static electricity
touches internal parts, the parts may be damaged. As touching the parts may cause a failure,
never touch the parts other than panels during the replacement.
(1) Turn off the power
(2) Remove the power cable.
(3) Remove input cables connected each amp unit.
(4) Check if the power switch is off.
Tighten each amp-fixed screw on the upper and the lower using a screwdriver to fix the unit.
（
Screwdriver: edge width, 0.65 mm or less
）
Loose the screws until removing the connection of this
recorder. (Take care over-loosing of the screw not to remove the unit.)
(5) Pull out the amp unit by pulling two screws at the upper and lower part of the unit. By doing so, you
can remove the unit smoothly. To insert a unit, perform the reverse procedure. Tighten screws
firmly using a screwdriver. Perform this procedure while the power is off.
To prevent an electric shock and damage due to an entry of obstacles, always
attach a blank panel for the slot without amp unit.
CAUTION
CAUTION