Maas PT-555, User Manual

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1) CH mode (Channel displaying mode)
2) FR mode (Fre Channel displaying mode)
Press [ ] and hold on to turn on the radio, repeat this operation, Radio will switch
between CH mode and FR mode. The mode will be saved after the operation.
Under CH mode, to select desired channel by rotating the middle knob
Working modes
14 15
Basic operations
Three keypad menu operation:
[ ]: Exit/Back
1) Short press to back to previous menu
2) Long press to back to the standby mode
[ ]: Menu key
Short press to enter menu setting, more details please check: Menu settings.
[ ]: Scan/Keypad lock
1) Short press to enter scanning, press [ ] again or press [MONI] to exit the
scanning.
2) Long press for 2S to lock the keypad and press [ ] again for 2S to unlock
the keypad.
Power on/off
If you want to turn on the power, rotate PWR/VOL knob by clockwise until beep sound is
heard. To turn PWR/VOL knob in counter clock-wise rotation to turn off the radio.
Adjusting volume
Turn PWR/VOL knob to increase the volume in clockwise rotation and decrease the
volume in counter clockwise rotation.