Doc. No.: 101770 Rev. B
jotron.com
Page 31 of 44
Use this menu option to choose between four different
tones.
Using the up or down arrow keys, select from 1-4.
Key volume:
Display screen:
Use this menu option to set the volume of the key
sound.
(Off=0, low to high= 1-6).
Backlight level:
Display screen:
Use this menu option to set the display backlight level.
(Off=0, low=1 or high=2).
Contrast:
Display screen:
Use this menu option to set the display contrast level.
(Low=1, medium=3 or high=3).
System:
Display screen:
Summary of Contents for Tron TR30 AIR
Page 1: ...Tron TR30 AIR Emergency VHF AM radio User Manual...
Page 2: ...This page is intentionally left blank...
Page 15: ...Doc No 101770 Rev B jotron com Page 15 of 44 5 1 Product images Figure 1 Tron TR30 radio...
Page 16: ...Doc No 101770 Rev B jotron com Page 16 of 44 Figure 2 Tron TR30 in the RH 30 battery charger...
Page 35: ...Doc No 101770 Rev B jotron com Page 35 of 44...