Datron TW7201I, Руководство пользователя

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3: Operation
TW7201I-MS 3-3
3.2.3
Keypad
The keypad provides the following operations:
• Enters numeric or alpha characters
• Saves data
• Selects channels and frequencies
• Scrolls within menus
Entering
Numbers To enter numbers:
1. Press the desired keypad number.
The display has a permanent
decimal and comma in the
frequency field.
2. If a value is entered that is below
10.000000 MHz, use the decimal
button.
Alpha characters are entered using a
combination of two buttons. For
example:
1. On the keypad, press the top
bracketed button, then
1
to enter
character
A
.
2. Press the middle bracketed button,
then
1
to enter character
B
.
3. Press the bottom bracketed button,
then
1
to enter character
C
.
Editing Text To enter a space, press any bracketed button, then
0
.
To delete a character, use the left and right arrows to position the cursor, then
press the
C
button. All trailing characters move to the left.
Menu Navigation To scroll through the menu selections, use the up and down arrow buttons.
These arrows convert to left and right scrolling when editing in the text
message mode. The scrolling rate remains constant while an arrow button is
held down. The arrows remain active until another control function is
selected.
Channel and
Frequency
Selection The
C
,
F
, and
E
buttons enter channel and frequency information into memory.
To select a channel:
1. Press the
C
button.
2. Enter the channel number using the keypad.
Channel
Frequency
Enter
Scroll up
Scroll left
Scroll down
Scroll right
Entering Text