Schiller AT-101 Service Handbook page 14

2 Introduction
2.2 Keypad
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(4) The top figures on the number keys k1kand k2k(designated < and >), change the
lead group displayed on the screen, forward and backward resp.
(5) Auto sensitivity key - automatically sets the ECG printout sensitivity (in AUTO
mode only) to the best setting for the signal strength (5mm/mV or 10mm/mV)
(6) The top figures on the number keys designated 5, 10, and 20 set the sensitivity
of the ECG both on the screen and on the (manual) printout. The sensitivity is
5, 10 or 20 mm / mV.
(7) The top figures on the number keys designated 5/10, 25, and 50 set the speed
of the ECG both on the screen and on the (manual) printout. The speed on the
screen can only be set to 25 or 50 mm/s. The speed of the manual printout can
be 5, 10, 25 or 50 mm/s. The 5 and 10 mm/s settings are both on the same key
which toggles the two speeds.
(8) Inserts a 1mV reference marker on the screen and printout. Re-centres the
trace.
(9) Toggles the QRS beeper ON/ OFF
(10) Myogram filter ON / OFF. The cutoff frequency can be user defined in kSetupk.
(11) Delete last typed character.
(12) Patient data key. Press this key to enter a new patient or modify the data for the
current one.
The patient data screen, or the ECG screen is the first screen displayed on initial
switch on. This is set for user preference in the SYSTEM SETTINGS/UNIT (see
page 24).
(13) ON / OFF Key
(14) Mains Indicator - lit when mains connected.
(15) Press the function key (16) and the UP/DOWN arrows to adjust screen contrast.
When entering patient data use the LEFT/RIGHT arrow keys to move the cursor
in the data field. Use the UP/DOWN arrow keys to go up/down to the next data
entry
(16) Shift key to select capital letters.
(17) Function Key. When pressed before another key, initiates the second function
of that key.
For example, second letters on the keypad -, é, p, ç, r, s, @ etc., are entered
by holding the function key before pressing the letter key.
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