2016-12-13
Model
：
CRH123
Page: 5 / 2
Edition : A
8. Countdown mode
The display range of the timer is 1 minute to 23hour 59minute.
In the countdown mode
Press and hold C key for 2s to time setting mode and "Seconds" flashes. Press B key to select "Hour" ,
then Press B key "Minute" setting.
Press D key to adjust the value increment, hold down D key to quickly adjust.
Press C key to confirm,press B key return to the real time mode.
In setting mode. No any key operation then will back to countdown mode automatically after 1 minute.
Press D key to Start/Stop counting. Press C key for 2s to starting value when stop counting.Press C key
for 2s again back to the setting mode.
When the countdown stop to zero,
the BB-BB - ring sounds for 15 seconds,
press any key to stop the
ring, when the ring stop, the countdown time will automatically return to the initial setting time
.
C.
Specifications
Module Size
Module Thickness
（
include buzzer
）
Operational Temperature Range
Operational Voltage
Accuracy
Battery Code
static average current
Alarm average current
：
Ф
37.2mm
：
9.2mm
：
-10
℃
~+60
℃
：
3.0V
：±
45sec/month
：
CR2025
(capacitance: 170m Ah)
：≤
1.5u A
(static maximum current
：
3.5 u A
)
：≤
2m A
（
Alarm maximum current
：
5.0m A
）
：≤
8m A
（
EL lighten maximum current
：
10m A
）
：
≥
36
month(Japan Lithium)
Stop
Review LAP1
LAP3
LAP 2
starting value
start
stop
countdown to “0”
D Key
D Key
D Key
Press C Key for 2s
Second
Hour
Minute
