11
12-16-08
Connectors, Controls, Indicators
Figure 1: Front panel.
Front panel controls and indicators (see Figure 1)
F1
- Power switch and indicator for ON and OFF .
F2
- Range extension pushbutton allows you to increase the stimulus intensity 10 dB
above the standard maximum HL at any frequency. When in use, a “+” appears
on the LCD.
F3
- HL control for setting stimulus intensity level. Level is indicated on LCD.
F4
- Present bar for stimulus presentation.
F5
- Stimulus being presented via an earphone. Presentation indicated by illuminated
green LED.
F6
- Subject response indicator shows you when the test subject has pressed the
handswitch button by an illuminated green LED (with
optional
handswitch only).
F7
- Control for setting stimulus frequency. Frequency is indicated in the window
adjacent to the control.
F8
- Routing switch for stimulus presentation to the earphone. Left or right indicated
by illustration of subject.
F9
- Switch for setting the stimulus tone type.
FM = warble tone
__
= steady tone
- - - = pulsed tone
F10
- Low battery indicator to alert you of a limited operating time. Recharge or
replace batteries (dependent on whether NiCad or Alkaline batteries are used).
