Samsung SF 5100, SF5100P Operation Instruction & Installation

Samsung Electronics 3-1

3. Tech Mode

3-1 To Access TECH Mode

In Tech mode, the technician can perform various
tests to isolate the causes of a malfunction, and set
the technical option features to customize the
machine depending on the user ’s operation
environment.

To access TECH mode, press SETUP, #, 1, 9, 3, 4 in
sequence, and the LCD displays ‘TECH’ in the
standby mode screen. While in TECH mode, the
machine still performs all normal operations. To
return to the normal user mode, press SETUP, #, 1,
9, 3, 4 in sequence in TECH mode or turn the power
off, then back on.

The technical options you have set in TECH mode
are not changed unless you clear the machine’s
memory in TECH mode.

To communicate via direct connection with another
fax machine, press OHD/V.REQ followed by
Start/Enter.

In TECH mode, press SETUP, then press or
until ‘TECH MODE’ appears in the display. Press
Start/Enter. The following technical options are
available.

Note: If necessary, print System Data List in TECH
mode. The list shows all current system data
settings including the TECH MODE options. To
print the system data list, press Report/Help, then
press √ or ® until ‘SYSTEM DATA’ appears in the
display, and press Start/Enter.

Modem Speed

Default = 14.4 kbps

Select the maximum modem speed of 14400, 12000,
9600, 7200, 4800, or 2400 bps. When the modem
speed is set to 14400 or 12000, the Rx speed can be
either V.33 or V.17 speed. When it is set to 9600 or
7200, the Rx speed can be either V.29 or V.27ter
speed. When set to 4800 or 2400, the Rx speed can
any V.27ter speed.

Dialing Mode

Default = Tone

Select the dialing mode according to the user’s line
status.

Send Fax Level

Default = -12 dBm

You can set the level of the transmission signal.
Typically, the Tx level should be under -12 dBm. The
level within the range of 1 to -15 dBm is acceptable.
Enter the desired value using the number keypad.

RCV Fax Level

Default = -43 dBm

The reception level may be too low due to the cable
losses. If it is set to -43 dBm, the reception
sensitivity will be between 0 and -43 dBm. If it is set
to -48 dBm, the reception sensitivity will be between
0 and -48 dBm.

3-2 Tech Mode Options

3-2 Samsung Electronics

Tech Mode

Flash Time

Default = 600 milliseconds

Set the flash time to 80, 280, or 600 milliseconds.

Pause Time

Default = 3 seconds

It sets the length of the pause time from 1 through 9
seconds, when the pause button is pressed.

Redial Interval

Default = 3 minutes

If the remote machine is busy when the machine
sends a fax using automatic dialing, the machine
automatically redials the number. Select the time
interval between automatic redial attempts. Enter
the desired redial interval using the number
keypad: 1 - 15 minutes.

Redial Count

Default = 2

Select the number of automatic redial attempts.
Enter the desired number using the number keypad:
0 - 5.

DP Make/Break

Default = 40 - 60

Select the dial pulse make and break time: 40-60 or
33-67.

Silence Time

Default = Unlimited

In ANS/FAX mode, after a call is picked up by the
answering machine, the machine monitors the line.
If a period of silence is detected on the line at any
time, the call will be treated as a fax message and
the machine begins receiving. Silence detection time
is selectable between limited (about 12 seconds) and
unlimited time.

When ‘12 sec’ is selected, the machine switches to
receiving mode as soon as it detects a period of
silence.
When ‘Unlimited’ is selected, the machine waits
until the answering operation is concluded even
though a period of silence is detected. After the
answering operation is concluded, the machine
switches to receiving mode.

Error Rate

When the error rate is about to be over the setting
value, the Baud rate automatically lowers up to 2400
bps to make the error rate remain below the setting
value.

You can select the rate between 5% and 10%.