NF9128 MOVEMENT INSTRUCTION
When timing, press D to save the record, and it will start to re-timing time again after displaying the
record for 5 seconds;
When timing, press C to pause, this record would be displayed for 5 seconds before displaying the total
value;
If timing is stopped, press C to restart timing and the pervious memory would be deleted;
When reaching the maximum serial No. 99 of SPL, a new SPL value would replace the last SPL record;
If SPL record exists, press B could enter Memory Mode, otherwise, it would directly enter Countdown
Mode.
6.
Memory Mode
Press D / C to check SPL records;
20 sets of SPL memories could be inquired (from L01 to L019 and the last set of memory.)
7.
Countdown Mode
The maximum range for Timer is 23 hours 59 minutes 59 seconds;
Press D to start / stop timer function; when timer function stops, press C to restart timer function; when
the timer record comes to zero, the alarm would alarm for 30 seconds.
Press A for 2 seconds to enter the time setting in the Countdown Mode:
a). Press B to select the item in the following sequence:
b). Press D/ C to adjust the selected item upward or downward
c). Press A to confirm and return to timer display status.
C.
Quality Standards
Movement Dimension
: Ф36.2mm
Thickness (incl. buzzer)
: 9.30mm
Working temperature
: -0
℃
~+50
℃
Working voltage
: 3.0V
Accuracy
: ±90s / month
Battery model and capacity
: CR2025(capacity 170m Ah)
Average quiescent current
: ≤1.61u A
(Max. quiescent current:
4.5 u A)
Average alarm current
: ≤1.15m A
(Max. alarm current:
6.0m A)
Average EL flashing current
: ≤8.34m A
(Max. EL flashing current:
10m A)
Battery lifetime
(90%)
: ≥24 months
(For each press, the light flashes 4 times and 2 sec. / time, i.e., 8 seconds in total; and alarm for
60 seconds every day)
Second
Minute
Hour
