SONY PT-D555ES
¥ 34,800 (around 1984)
Commentary
This is an audio timer that is a prestige model of the ES series that requires a high level of functionality, operability and quality.
Four programs are equipped with a day reservation function that allows you to reserve power ON/OFF by freely specifying one or multiple days of the week.
This function can be used as a once function for reserving one time operation in addition to weekly operation. It is possible to perform air check every day with Program 1 and reserve air check only for special number with Program 2.
In addition, by using a tuner with a timer compatible program function, you can record programs from multiple stations.
In addition, it is equipped with 3 programs of daily reservation which is convenient for alarm clock playback, etc.
A, B and C Route 3 2 each (one of C is always energized), a total of 6 AC outlets can be freely combined for ON/OFF reservation. In addition, A, B and C Route 3 each have a manual ON/OFF switch that can turn on / off the power of connected devices regardless of timer reservation.
Equipped with a stopwatch function, with a maximum account length of 59 minutes and 59 seconds, and equipped with both functions of accumulation and subtraction, it is effective for editing tapes, etc.
Equipped with a SLEEP function, it can be set in units of minutes up to 100 minutes later and connected devices can be turned off automatically.
You can also specify an outlet.
Equipped with the READY function, you can turn on the connected device at the specified outlet after the desired time in minutes up to 100 minutes.
It is equipped with an alarm function and makes an electronic sound at a desired time using program reservation.
It can also be sounded in synchronization with the ON reservation time of the connected device.
The video control output is mounted on the back panel. If you connect a VCR, etc., you can synchronize the recording ON/OFF of the VCR with the tuner for which program is reserved.
It is equipped with a bar graph display that shows program reservation time within 24 hours from the current time at a glance.
In addition, the program number of the next reservation and the specified outlet are also displayed digitally.
It is equipped with a list function that can check the contents such as the reserved day of the week, ON/OFF time and specified outlet for each program.
It is equipped with a child lock mechanism that does not worry that the reservation will be deleted even if it is moved to the key accidentally.
You can adjust the brightness of the display according to the ambient light.
Built-in backup power supply for power failure compensation for up to 72 hours.
Model Rating
| Type | Program timer |
| Time display | Digital display with 7-segment 4-digit fluorescent display tube (seconds display by switching hour and minute) 12-hour display ⇔ 24-hour display Double time display in which current time and timer time / month / day are separated |
| Clock synchronous system | Quartz lock system |
| Clock accuracy | Monthly difference ± 15 seconds (normal temperature) |
| Timer accuracy | -0.02 seconds. |
| Timer type | 1 : 24-hour 2 : 4 sets of days |
| Timer set | Total 7 sets of ON/OFF in 2 weeks (maximum 7 sets x14 days = 98 operations) |
| Timer set time interval | 1 minute |
| Power failure compensation time | 72 hours (built-in backup battery, over 72 hours of charging time) |
| Power outlet | Timer interlock : Line 5 Continuous power supply : 1 system Total 1,100W or less |
| External dimensions | Width 430x Height 80x Depth 245 mm |
| Weight | Approx. 3.4 kg |