Changing The Volume; Changing The Display Brightness; Battery Status; Measurement Procedure - Keeler D-Kat R Gebrauchsanweisung

6.3 CHANGING THE VOLUME

Turn on the D-KAT and press the function button for more than 3 seconds. Release the function
button: 'dP' (decimal point) or 'ndP' (no decimal point) will be displayed.
Press the function button again for more than 3 seconds: the display will flash and once the
function button is released the display will show "V" together with either 0, 1, 2 or 3. Press
the function button briefly to toggle between volumes, 0 for mute to 3 for maximum.

6.4 CHANGING THE DISPLAY BRIGHTNESS

Follow steps as described in 6.3. Once the volume level is displayed, press and hold the function
button for more than 3 seconds. The D-KAT will now show the display light level as "L" together
with 0, 1, 2 or 3. Press the function button briefly to toggle to the desired display brightness.
Note: The D-KAT will return to the main display at any time if the function button is not pressed within the timings
listed above.

6.5 BATTERY STATUS

If "bat" appears in the display when switching on instead of a numerical value, the battery
should be replaced immediately. The battery should be replaced using a 1.5V AA Alkaline type.

7. MEASUREMENT PROCEDURE

7.1 INSTALLATION ON TO THE SLIT LAMP

Before installing the Tonometer on a Slit Lamp ensure that they are
mutually suitable and that the tonometer is level.
Digital Keeler Applanation Tonometer (T type)
1. Position the guide plate in the
Tonometer / test bar support hole on
the Slit Lamp.
2. Lift the Tonometer out of the
packaging and assemble it by inserting
the pin on its base into one of the two
possible openings (for right or left eye)
on the horizontal guide plate above
the slit lamp axis. These positions
are related to the microscope optics
and observation can be made either
through the right or the left eye-piece.
3. The Tonometer will slip easily onto the
support plate; stability is assured by
the locking pins.
4. To obtain an image as clear and
as free of reflexes as possible, the
D-KAT Tonometer by KEELER
Guide
plate
9
T type
EN