Welch Allyn Medical Diagnostic Equipment 12500 User Manual
Welch Allyn 12500
Binocular Indirect Ophthalmoscope
Power Source
OWNER’S MANUAL
Thank you for purchasing a Welch Allyn power source for use with the Welch Allyn 12500
Binocular Indirect Ophthalmoscope (BIO). The operating instructions found in this manual
should be followed to ensure many years of accurate and reliable service. Please read
these instructions carefully before using your power source.
NOTE: If you plan to connect the Welch Allyn 12500 BIO to a transformer within an
instrument stand or console, please review the directions for connecting the
instrument to a power source in the BIO Instruction Manual, Part No.120073.
U.S. Patent No. 5,394,201 and International Patents Pending
1. Wall/Desk Power Source
The Welch Allyn No. 74250 Wall/Desk Power Source is designed with
versatility in mind. There are several mounting options.
1. Wall mount
2. Desk top mount
3. Desk edge mount
Features of the Wall/Desk Power Source include:
Condensing lens
On/Off switch
rheostat control
to headset
UL/IEC/CSA approved
plug-in transformer
storage area
Scope turns on
when lifted from
cradle
Wall Mounting
Fasten the mounting plate to the wall with the appropriate screws (wood
screws are provided). Flat side of the plate should be facing the wall,
long sides should be horizontal. When the screws are tightened, there
will be a gap between the screw head and the surface of the plate.
Mount the Wall/Desk bracket by fitting round holes in back plate over
screw heads, then pushing downward on case. This slides the tapered
slots in the back over the shoulders in the mounting plate.
1-1
Desk Top Usage
The Welch Allyn Wall/Desk Power Source can be set on any flat surface. To prevent scratching and sliding, the small rubber pads should
be attached to the bottom of the unit. Remove the pads from their
backing and place them on the outermost corners of the unit’s base.
Desk Top
Mounting
Desk Edge Mounting
NOTE: Do not use rubber pads if mounting to the EDGE of a desk
or table.
The Welch Allyn Wall/Desk Power Source can also be mounted on
the edge of a desk or cabinet. This will allow the Binocular Indirect
Ophthalmoscope (BIO) to hang unobtrusively, close to your task area.
To mount the Wall/Desk bracket on the edge of a desk or cabinet, it
must be secure so the weight of the BIO does not tip it over. To secure
the unit to the desk top, apply the two-sided tape found in the accessory bag to the back edge of the base of the Wall/Desk bracket.
NOTE: Make sure the surface is clean before attaching. Locate the
bracket so the cradle is hanging over the edge of the desk. When the
bracket is in the desired position, apply firm pressure to it so it becomes
properly and evenly seated.
NOTE: If the Wall/Desk bracket ever needs to be relocated, it can be
removed by prying up on one end. Any tape residue can be removed
with an alcohol wipe.
Desk Edge Mounting
1-2
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