Page 13
Introduction
2
AT-10 plus
Service Handbook
LCD screen
2.2
A
rt.
-n
o.:
2.5
4004
3 Re
v.
: a
2.2.1
Keypad
The keyboard is divided into the following functional areas:
(1) Alphanumeric and Dual Purpose Keys. The numerical keys are dual purpose as
follows:
– Key
1
- switch myogram filter on or off
– The following keys change the speed, amplitude and lead group
during manu-
al printing:
– Key
2
and
3
- changes to next / previous lead group
– Key
4
to
7
- printout speed
– Keys
8
to
‘-‘
- printout Amplitude (sensitivity)
(2) Resting and Stress ECG Function Keys:
• ECG Keys
–
ECG
key - select ECG menu settings
–
Monitor Lead
key - display next lead group
–
Monitor Channel
key - change the number of leads displayed
–
Monitor mm/s
key - toggle display speed
–
Monitor mmV
key - toggle display sensitivity
–
Cal
key - reset ECG signal to baseline and insert calibration signal on the
screen or on the printout
7
6
4
9
2
3
1
5
8