Pressing the Back or ‘M’ key saves all the function settings and returns to the next
highest menu level.
5.9. CONTRAST MENU
The Contrast menu allows the screen’s contrast setting to be altered.
From the Setup menu, use the ▼ /▲ keys to scroll through sub-menus and, with the
Contrast menu option displayed, press the OK key to access the Contrast adjustment
screen.
When the Contrast adjustment screen is displayed, a numeric value representing the
contrast setting will be shown.
Use the ▼ /▲ keys to adjust the contrast setting as required.
Press the OK key to save the changes and return to the main channel screen.
Press the Back or ‘M’ key to save the changes and return to the next highest menu
level.
5.10. ALERT VOLUME MENU
The Alert Volume screen allows the user to set the level of the relative Alert Volume
level in relation to the current Volume setting. The level can be set in 62 steps over
the range −31 to +31, with 0 (zero) being about the same as the voice level. For
example, if the alert volume is set to –6, it will be softer than received voice on the
radio.
Doc Number: TNM-U-E-0055 ISSUE 4.0 Page 43