Nortel Meridian 1 Manual page 41

Table 7
M2317 telephone key/LCD indicator self-tests
Step Key operated
1 Any programmable
key
2 Any dial pad key
3 Volume control
4 Softkey 1
5 Softkey 2
6 Softkey 3
7 Softkey 4
8 Softkey 5
Required response
Toggles the corresponding indicator on/off
Displays the corresponding character in the top line of the
display screen
Displays characters ">" for volume up and "<" for volume down
in the top line of the display screen
Both display lines are filled with characters as follows:
ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMN
OPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZAB
Both display lines are filled with characters as follows:
abcdefghijklmnopqrstuvwxyzabcdefghijklmn
opqrstuvwxyzabcdefghijklmnopqrstuvwxyzab
All LCD pixels are turned on
Display is blank
Both display lines are filled with characters as follows:
8888888888888888888888888888888888888888
8888888888888888888888888888888888888888
Telephone and Attendant Console Installation
Telephones Page 37 of 144