OM024-6 Model 240 Operating Manual Page 7
3.4 Audiometer controls
3.4.1 Multifunction Keys
Several keys on the audiometer have different functions depending on the
actual mode of operation. These are MENU (OFF), PULSE (RESET),
LEFT (NO), RIGHT (YES), MASK (RESULTS), BONE (AUTO) and
FREQUENCY (MENU SELECT). The use of these keys is described
below.
3.4.2 MENU
Pressing and holding MENU accesses the following options. Use the
MENU SELECT keys to step through the available options and then the
NO, YES or SIGNAL keys to select an action or modify a setting.
Release of the MENU key then initiates the action or saves the modified
setting and returns to the default display.
Menu Option Description
Switch off? As described in Section 3.1
Set Auto This enables options for automatic testing to be
selected - see Section 4.5.1 for details
Clear test? Press YES and release MENU to clear the
Threshold Retention Function results from the
previous test
Save audiogram to 1 Use the SIGNAL keys to select the
required storage location and press the YES
key to save the audiogram; then release MENU
Load audiogram no 1 Use the SIGNAL keys to select the
required storage location and press the YES
key to load the audiogram; then release MENU
Contrast Adjust contrast using the SIGNAL keys
Battery Shows either “Not in use” or the battery
voltage, e.g. “5.3v”.
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