Standard Horizon GX2400GPS Owner's Manual page 61

[ Press & hold [
1.
2. Rotate the DIAL/ENT knob to select "ADD", then
press the [SELECT] soft key.
3. Rotate the DIAL/ENT knob to select "GP NAME:",
then press the [SELECT] soft key.
4. Press the [◄] or [►] key to select the first letter of
the name of the group you want to reference in the
directory.
5. Press the [SELECT] soft key to store the first letter of
the name and step to the next letter to the right.
6. Repeat steps 4 and 5 until the name is complete. The name can consist of
up to fifteen characters, if you do not use all eleven characters, select "→"
to move to the next space. This method can also be used to enter a blank
space in the name.
If a mistake is made entering the name, press the [◄] or [►] key to select
"←" or "→", press the [SELECT] soft key until the incorrect character is
selected, then perform steps 4 and 5.
7. When finished entering the group name (using fifteen characters or less),
press the [FINISH] soft key to advance to the group MMSI number entry.
8. Rotate the DIAL/ENT knob to select "GP MMSI:", then
press the [SELECT] soft key.
9. Press the [◄] or [►] key to select the second number
of the MMSI (the first of the nine digits is permanently
set to "0") which you want to contact, then press the
[SELECT] soft key to step to the next number.
Repeat this procedure until all eight spaces of the MMSI number are entered.
If a mistake is made entering in the MMSI number, press the [◄] or [►]
key to select "←" or "→", press the [SELECT] soft key until the incorrect
character is selected, then perform step 9.
10. When finished entering the MMSI number, press the [FINISH] soft key to
confirm.
11. To store the data, select "SAVE", then press the [SELECT] soft key.
12. To enter another group address, repeat steps 2 through 11.
13. Press the [CLEAR] key to return to radio operation.
]  "DSC SETUP"  "GROUP DIRECTORY"
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