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12 OTHER FUNCTIONS
DD
Display dimmer
Adjust to suit lighting conditions.
The levels 1 (dark) to 4 (bright: default) are available.
DD
Display color
The display color can be set to amber (default) or green.
DD
Repeater tone
Sets subaudible tone frequency (encoder only) for repeater
operation. Total of 50 tone frequencies (67.0–254.1 Hz) are
available. (default: 88.5 Hz)
DD
Tone squelch tone
Sets subaudible tone frequency (both encoder and decoder)
for tone squelch operation. Total of 50 tone frequencies
(67.0–254.1 Hz) are available. (default: 88.5 Hz)
• Available subaudible tone frequencies
DD
DTCS code and polarity
Sets DTCS code (both encoder and decoder) for DTCS
squelch operation. Total of 208 codes (104 codes for each
normal and inverse polarities) are available. (default: 023N)