Welch Allyn TM 262 Auto Tymp - User Manual - Manual (Page 23)

Revised 4/11/08 2-5
Installation
Front Panel Controls and Indicators
Figure 2: Front panel
Fl Power on indicator and label: Indicator is illuminated when the instrument is receiving
power.
F2 Print Screen: Pushbutton used to print the currently displayed page of memory.
F3 Print All Memory: Used to print all pages of data from memory.
F4 Paper Advance: Causes paper to feed through printer; may be used to load paper or to
provide space between printouts.
F5 FM: Used during the Audiometry mode to select a frequency modulated test tone when the
present bar is depressed; causes the letters FM to appear on the display when selected.
F6 Steady: Used during Audiometry mode to select a continuous test tone when present bar is
depressed; causes the steady symbol to appear on the display.
F7 Pulsed: Used during Audiometry mode to select a pulsed tone when the present bar is
depressed; causes the pulsed symbol to appear on the display.
F8 Attenuator Knob (dB HL): Used to increase or decrease the intensity of the test tone
presented in Audiometry mode; counterclockwise rotation causes the intensity to be lowered;
clockwise rotation causes the intensity to be increased.
F9 +10 dB: Used to temporarily extend the intensity range by 10 dB; causes a large + sign to
appear on the display indicating that the extended range has been selected.
F1O M+: Save key; during Audiometry mode, causes the threshold information per frequency
to be saved on the display; during Program mode, causes option to be selected; during Tymp/
Reflex mode, causes frequency to be stored as a default parameter.
F11< and > Hz: Selecting < causes the cursor to move to the next lower frequency; selecting
causes the cursor to move to the next higher frequency.
F12 Present Bar: Press to present test signal to appropriate earphone; release to turn test tone
off.