Cobra Electronics
UI/Functional Specification
Model: MR HH150 USA and EU Issue: Preliminary R2
4
MARINE STANDBY MODE
Definitions: RX: unit is in receive mode and tuned to the displayed channel.
Bar graph meter will display received signal level.
Turn ON the following Icons: Rx, other depending
on last used state.
TX Mode: when PTT is pushed unit will transmit
on current channel. Turn off RX, Turn on TX. Bar graph
meter will indicate power level based on the following
description:
High power - all bars ON (4 total)
Med power - two bars ON
Low power – one bar ON
TX time out timer is 5 minutes, at the end of 5 minutes turn off TX and
sound two beeps.
Beep tones: 1beep used to confirm any key press EXCEPT the PTT key
2 beeps used to confirm entry
3 beeps used to indicate error.
Beep tones are 500Hz at 100 ms duration with 20ms spacing between tones.
If Key tones are set to OFF then beep tones are also OFF.
Power save: If no key's pressed or signal detected for 10 seconds then go to
power save mode.
.
If WX Alert mode is enabled (USA models only):
If WX Alert is enabled: on the selected WX channel, the radio will periodically check the
WX channel for the 1050Hz tone.
When the WX alert conditions are met, the radio will switch to WX mode on the alert channel
and sound a 1050 Hz alert tone and flash the WX Alert Icon.
Standby Display
