Operation
20 025-9567E
When clock changing is required, the clock set mode may be entered via the keypad by
holding down the RESET key then holding down the “*” key and releasing the RESET key.
When the encoder display shows “PrOG” then the “*” key may be released. From a CRT, the
clock set mode may be entered by typing the character “P” followed by the character “*”. If
the encoder powers-on with the display flashing the word “dAtE” then the encoder is already
in the clock set mode.
Once in the clock set mode the encoder will flash the word “dAtE” until the “*” key is
pressed (same key on a CRT) at which time the first prompt will be issued. In order to
complete the clock setting cycle, the month, day, year, hours, and minutes must be entered in
that sequence. Each item requires exactly two digits to be entered. Table 6 shows the
required input for each prompt.
Table 6. Clock Setting Prompts and Inputs
Prompt Description Required Reply
nn _ _ Enter month 01 to 12
d _ _ Enter day 01 to 31
Y _ _ Enter last two digits of the year 00 to 99
H _ _ Enter hour (24 hr format) 00 to 23
nn _ _ Enter minutes 00 to 59
As soon as the last digit of the minutes is entered, the clock is set with the seconds at zero.
The encoder will again be in the normal operating mode (idle state) awaiting call
instructions.
CAUSES FOR ERROR BEEPS
The following is a list of causes for error beeps from the Model 25 encoder during normal
operation or calling sequences.
Single beep, display not blinking
At end of call stack:
This is normal and is used to indicate the end of a calling sequence.
While remotely controlling:
The controlling device has sent an invalid command to the encoder or perhaps the baud
rate is wrong.
When leading block digit pressed:
The block has not been programmed,
OR the block is disabled via programming.
When call number is pressed:
The character is not acceptable for the format chosen by the leading digit,
OR the chosen format already has the maximum number of digits.
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