ENMET RECON Series User Manual
Page 9

R
ECON
ENMET Corporation
7
 
 
Time error 
In this condition, the device will try to renovate it 
by itself. If succeeded, after start-up, it enters into 
the menu of time set up. Please set up the time 
according to the local time. If failed, the device 
will turn off. Please contact the supplier for repair. 
Memorizer error 
When detecting, the device will try to renovate it 
by itself. If failed, it will turn off. Please contact 
the supplier for repair. 
Low voltage
Modified tone alarming sound per second
If the serious low voltage, the icon will flicker. 
Then the device can continue to work for 15 
min at most. Please recharge it at a safe place, 
otherwise it will turn off. 
N
OTES
:
① If vibration option is On - ② For Combustible gas
4.6 Automatic Zero Calibration
In clean air, if detecting value is not 0, choose this function to make the zero calibration.
With
RECON
On, press both
D
OWN
and
S
ET
buttons for 1 second.
S
TATUS
E
XAMPLE OF
D
ISPLAY
Press both
D
OWN
and
S
ET
buttons.
After 1 second, it advances to the next status
When 0000 is displayed:
Enter the password, factory set to 1270, by using the
UP
button to
increment the digit and the
S
ET
button to accept the indicated digit
and move the cursor. When the correct password is entered, the display 
will advance. 
N
OTE
:
Incorrect password will exit auto zero menu.
When display is stable. Press
S
ET
button to confirm the operation.
N
OTE
:
the display may not indicate 0 prior to confirmation.
N
OTE
:
Not applicable for oxygen instruments.
