8
Instrument controls and indicators
Keypad and internal printer panel
The control panel, illustrated below, is located to the front right side of the instrument and contains a QVGA colour
screen (1), navigation keypad with ‘OK’ button and a ‘TEST’ button. The operation is user friendly and driven from six
top level windows. A start-up LED is used during instrument initialisation. The lower, vertical section of the front panel
houses an ON/OFF power switch and a USB Type A interface socket
OTS PB models item description
1. 3.5 inch, backlight, bright colour QVGA display
2. On/off LED
3. External power LED / icon
4. TEST’ button with associated red warning LED
5. USB socket
6. Navigation keypad with ‘OK’ select button
7. ON/OFF
OTS AF models item description
1.
3.5 inch, backlight, bright colour QVGA display
2.
On/off LED
3.
External power LED / icon
4.
TEST’ button with associated red warning LED
5.
12 key alphanumeric keypad
6.
Navigation keypad with ‘OK’ select button
The instrument printer panel, shown below, houses the optional internal printer. A flat
panel replaces the printer if not ordered. The printer is a dot matrix impact printer with
57.5 mm wide paper roll. Paper results printed on this printer will not blacken in high
temperatures. The panel has two locking studs and a control print advance button.
1
3
5
2
4
6
