Troubleshooting - Sytech Easy Talk SY-1490 Manual Del Usuario

calculator mode. The following functions can be used "＋，－，×，÷". In calculator mode, use the UP/+,
DOWN/-, OUT/× and BOOK/÷ keys for the desired function. Press the */. to use decimals and the #/= to know
the result. Press the SET/ST key to clear. Press the DEL/MUTE key to delete the incorrect inputs one by one.
Eg.1 (10+26) ÷2
While on on-hook or off hook state, press the CAL/℃ key
1
Press (1, 0, ＋, 2, 6), ÷, 2, #/= keys
2
Press the CAL/℃ key to quit.
3
Eg.2 0.5 × 0.6-1
While on on-hook or off hook state, press the CAL/℃ key
1
Press 0, */., 5, ×, 0, */., 6, －, 1, #/= keys
2
Press the CAL/℃ key to quit.
3
TROUBLE SHOOTING
Trouble Check
Check if the handset is well
Not receiving
placed on the base.
Incoming calls
Check you telephone line.
Check
properly set
Outgoing calls
do not work
Check if the lock is set to
Green or Yellow position.
Check if the batteries are
Battery
not worn out, rusted or
problems.
leaking.
Solution
Connect the cable lines properly.
Contact your operator.
if P/T mode is
Set the correct dialling mode Pulse or
Tone.
Turn the Lock to RED position.
Replace the batteries.
Clean the battery compartment in
case of leakage.
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