Cobra Electronics MRHH150 User Manual
UI/Functional Specification
5-9-2018 LCD display requires update to support power level settings and add one more bar to RX/TX bar
graph
Date: May 8, 2018
Issue: Preliminary R2
Issued By: C. deWaal
Pages: 18
VHF Marine Radio
MRHH150FLT USA and EU Series
Cobra Electronics
UI/Functional Specification
Model: MR HH150 USA and EU Issue: Preliminary R2
2
Cobra Electronics
UI/Functional Specification
Model: MR HH150 USA and EU Issue: Preliminary R2
3
STARTUP DESCRIPTIONS
• When the unit is first powered ON, a 500 Hz power up tone will sound for 100 ms unless KEY TONES
are OFF.
• The LCD will display all Icons except ATIS for 2 seconds on USA models.
• The LCD will display all Icons including ATIS for 2 seconds on EU models.
• All buttons are inoperative during this 2 second period.
• After the 2 second period the display will turn ON only the appropriate Icons
depending on last used condition.
Default startup settings USA:
• Marine Channel 16
• Power level - High
• Key tones are ON
• ROG Beep is OFF
• Channel map set to "U" for USA channels
• WX Alert is OFF
• WX channel "01" (WX mode)
• Clear all memory channels to “- -“
• DW memory channel 01 = VHF channel 16, memory channel
• 02 = VHF channel 09.
Default startup settings EU:
• Marine Channel 16
• Power level - High
• Key tones are ON
• ROG Beep is OFF
• Channel map set to "I" for INT channels
• Clear all memory channels to “- -“
• DW memory channel 01 = VHF channel 16, memory channel
Factory Default reset key press: - DW / Scan key and MEM/ Esc key together.
PC reprogramming mode key press: - DW / Scan key and Hi-Lo / WX key together.
Default display Startup ICONS
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
Cobra Electronics
UI/Functional Specification
Model: MR HH150 USA and EU Issue: Preliminary R2
5
MARINE STANDBY MODE – Continue
KEY FUNCTIONS FOR MARINE STANDBY MODE:
1) Power Button
Push and hold for two seconds to turn unit ON.
Push and hold for two seconds to turn unit OFF.
2) Squelch Control
Momentarily Press and hold Squelch key for < 5 seconds to open Squelch. Releasing the squelch key
closes squelch.
Press and hold Squelch key > 5 seconds to hold open Squelch. Releasing squelch button after 5 seconds
– squelch remains open. Momentarily press the Squelch key again to close the Squelch.
3) Channel UP/DN Key
Press and release UP key; channel # increase.
Press and hold UP key >0.5 seconds; channels increase in rapid sequence every
250ms.
Press and release DN key; channel # decrease.
Press and hold DN key >0.5 seconds; channels decrease in rapid sequence every
250ms.
4) PTT Key
Press and hold to transmit; release to stop transmitting
PTT key should only activate the transmitter on valid Transmit US, Canada, and International channels
only. If PTT is pressed on a Receive only channel, unit will sound 3 error tones.
5) Back light/Lock Key
Press and release to turn on backlight of display
Back light should remain on for 10 seconds if no other keys are pressed
Press and release again to turn off backlight of display
Press and hold key for 2 seconds to activate key lock feature, lock icon on display
All front panel keys are locked.
PTT and Backlight/lock keys are the only keys active in lock mode
Press and hold Back light/Lock key again to unlock keys
6) 16 Key
Press and release; instant channel 16
Press and release again to return to last used standby channel
7) H/M/L and WX Key
Press and release H / M / L and WX key to toggle TX output power levels.
Press and hold >2 s for WX mode.
Cobra Electronics
UI/Functional Specification
Model: MR HH150 USA and EU Issue: Preliminary R2
6
MARINE STANDBY MODE – Continue
KEY FUNCTIONS FOR MARINE STANDBY MODE:
8) Dual Watch / Scan Key - DW operation
Press and release DW / Scan; unit will activate Dual Watch mode. “DW” will appear on display as
channels are scanned.
Dual Watch setup:
Select a desired DW channel.
Press and release the DW/Scan button to start DW scan between selected channel and channel 16.
During Dual watch scan mode:
PTT key, exit Dual Watch scan and enter TX mode on selected DW channel from standby
mode.
Backlight Lock, operates backlight or key pad lock accordingly.
Channel UP/Down, does nothing during DW scan.
DW/Scan key, Press and release DW/Scan key to exit DW scan and return to standby mode on
selected DW channel.
MEM/ESC key, exit DW scan mode and return to standby mode on selected DW Channel.
Setup/Enter key, exit DW scan mode and return to standby mode on selected DW Channel.
WX – H /M/ L key, short press < 5 seconds – change power levels, long press > 2 seconds exit
DW scan mode and go to WX. When user returns to VHF Marine mode the displayed channel
will be the selected DW channel.
16 key, exit DW scan mode and go to channel 16, press a third time go to selected DW channel.
Activating DW when initially on Ch16 will sound 3 error tones.
9) Enter / Setup Key
Press and hold to enter setup menu.
Press and release in setup menu to save changes and advance to next setup item.
Cobra Electronics
UI/Functional Specification
Model: MR HH150 USA and EU Issue: Preliminary R2
7
MARINE STANDBY MODE – Continue
10) MEM / ESC Key
MEM KEY:
Press and release to enter Memory mode. MEM and memory channel icons turns on.
First memory location is “0”, last is “9”
Push and Hold MEM key for 2 seconds to enter memory channel program mode.
Memory channel number blinks.
Channel up/down keys change memory channel number. Push and hold to scroll.
Push and release MEM key to change to receiver channel number (the two main LCD digits).
Main channel digits blink and channel up/down keys change channel number.
Setting the Main channel number to zero clears this memory location.
Push and release MEM key goes back to memory channel number (blinking).
ESC KEY:
Functions as ESC key to cancel and exit during setup mode functions unless
specified in other function calls..
Empty memory channel 0
11) Dual Watch / Scan Key – Scan operation
Push and hold for two seconds to scan all channels.
Direction of scan by default is from Lower to higher channel. User can change scan direction with
CH UP/DOWN keys.
When a signal is received; unit will pause for 10 seconds before resuming Scan.
Unit will cease scanning when PTT is activated.
In MEM mode, push and release to scan all memory channels.
If only one memory channel is stored, then sound 3 error beeps – no scanning.
While in scan mode, all other keys function as follows:
PTT – exit SCAN and return to standby on last active SCAN channel or
last used standby channel if no activity during SCAN.
Backlight / lock - push and hold to lock/ push and release to turn on
Back light for 10 seconds.
16 key – push and release exit SCAN and go to channel 16, push again go
to last active SCAN channel or last used standby channel if no activity during SCAN.
Loading...